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The document discusses the latest issue of Practical Wireless magazine, featuring comparisons of Yaesu's FTM-510 radio with its predecessor, FTM-500, and highlights various articles on amateur radio topics, including projects, news, and interviews. It emphasizes the social aspect of amateur radio clubs and the importance of community engagement among members. Additionally, it covers updates on amateur radio examinations and new product releases in the field.
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0% found this document useful (0 votes)
295 views64 pagesPractical Wireless 0725
The document discusses the latest issue of Practical Wireless magazine, featuring comparisons of Yaesu's FTM-510 radio with its predecessor, FTM-500, and highlights various articles on amateur radio topics, including projects, news, and interviews. It emphasizes the social aspect of amateur radio clubs and the importance of community engagement among members. Additionally, it covers updates on amateur radio examinations and new product releases in the field.
Uploaded by
haskhan7021Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF or read online on Scribd
/ 64
PRACTICAL
y
=
JULY 2025
SPOT THE
DIFFERENCE
We compare Yaesu’s latest dual-band radio,
the FTM-510 with its predecessor, the FTM-500
EVAZTATY Getting to grips with
the latest handheldWLAN IP
Joe Chester MIMD shares his enthusiasm
for a new product from SharkRF, the MIKE
THE LATEST NEWS
THE UK'S NUMBER ONE AMATEUR RADIO MAGAZINE
(wow nicomPoRarive)
| @RadioUser
r F
Makea Morse generator
An easy-to-buld project that
satisfies the Take 20 concept
Tracking air traffic
The theory behind locating
aircraft worldwide with WSPR
EQWEANTAT In conversation
with the faces behind the calls
Leam about all David and Tammy Palmer,
a couple at the forefront of radio innovation
ye
Ey
BELLS UP OMEN ONT RR Teal The New Flagship Mobile
144/430MHz 55/50W FM/C4FM Digital Dual Band Transceiver
FTM-510DE asp
Front Speaker + AESS Dual Speaker System
Search & Go/Touch & Go Operations
Improved PMG Operation
ASP for Better Coverage
The ene)
Le) er Sak cu Ru eure
‘The Super-DX with the ASP ensures reliable audio quality for weak signals and
Pee ee ey Cee eee ees a ee eco
automatically activated when the transceiver detects weak signals in FM analog mode.
Crane FM Super-DX Super-DX+ASP
VAESU veesuukid ore
at cecrt Pa Conard Wey Seen nen Nah,
eee a tse ‘ncorporating RAGIOUSEr
July 2025 Vol. 101 No. 7
‘Nstisue on ase! 1% Jy 2025,
Practical Wiles
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Advrteoment Manager
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Photocopies & Rack Issues
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{orveemorhs Iyoung tr ona
See hat yourssed fal ie oo ween
Sip we sort haethe cua su wees
‘suas spply 9 phatocony oP leaf he ail,
‘Technical Help
‘ert hat uo Edo esc ees
tote quees caret tegen vs be
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Fei wih robes sing topes covered n
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See pe Sor dais of ou
Inte specin sbsepon ler
Fr further deta call 01778 398161
ead on ay dene anywhere nine
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kn uptodate on Facebook
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youn Maden cotos feet
“Set ob stda es tate
‘Never uc te etsrigc a esse
sume Span nthe oman ata F
(Iceland) and KP4 (Puerto Rico) in the last couple
Side hve eel eae: ssn
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Teen aspen
‘making these events happen (indeed, | was the
Tend Gu epesrae one
Cameo soy cohare shan
ete)
Ss
With something ke 140 Keylines under my bl,
do struggle rom time tome wth ining new
topics to cover realy dont wantto end up
listing the atcles inthe current issue, as some
magazine etors sem todo, although from time
‘otimeit's useful todraw attention o particular
‘ones. But always opento suggestions as to
‘topes you thnk mght be relevant andl on which
you'd welcome the editors musings!
Repair and maintenance
thastobe sald that veil of ure
rad equipment isrepaable thom tlast
rotuniess ou have sew ots equipment
andere amar wh modem electones.
Fortinate, most of our geriserteely
relate and keep ong fryers. But what
{odoit ours doesindeed develop aa?
The good as thatlcom and aes have
feces here intheUK whe Marin Lynch &
Sonshore epi. mot qualified
speak orth varins fer UKbasedamate
radials But do know that fo example,
Expert amplifiers from Italy have generally had
tobe tied toa fr eae hank goodness
rine tl working 100) ad ble hough
tmopen coco that leat and Flex
radios for example often have obese back
Ferengi eed ere
beenimported det. mcontast. havea
Gein amir rm The DX Sopin Wales and
tient developed a fal hey nt ony repaid
andreturedtin double quicktime, they aso
atranged and paid fora courier in both directions
What all this goes to show. think is that we
not only have to go bythe specification and
desirability ofa product (as evinced fo example,
inthe reviews you will see here in PH and
elsewhere), but need tothnk abouts longterm
‘Amateur radio as a social focus
Inthis issue you will read in Faces Behind the
Cals about David G7URP andhis wife Tammy
MOTC. They make point that got me thinking,
‘which s that for many ado amateurs, especially
elderly ones perhaps, the local radi club isthe
fcuscf thar social scene. may be one ofthe
{ew opportunities they get to interact with friends
and acquaintances. ike to think that ll radio
‘lbs offer such venue, although Ido know of
somewhere the members come along listen to
a talk, and head off without speaking together.
David even reports that the Norfolk club had
nine meetings during COVID devoted to non-
radi topes, but which ep the camaraderie
alive. Summer events can be popular to ~
mmyprevious (Reading) club used told very
successful summer barbecues for members and
‘their partners. Anyway, perhaps some thoughts
‘a ponder for your own lus?
Letters
Allo which reminds:me that | would love to
hear from mote of you ether in Lette for
publication orjust by way ofa private email
Thece are handful of readers who ae welcome
and consistent Letter writers, which appreciate,
but love tohear more rom thesilent majority!
Best wishes one ndall
Don Field 3XTT
Editor, Practical Wireless Magazine
Buy back issues and archive CDs at www.mymagazinesub.co.uk/practical-wireless
2025 PRACTICAL WIRELESS Contents
eee6e
Webbooee
P's monthly roundup of news fom the UK and
internationally, including new products, cub
news and recent events,
11 Yaesu FTM-S100E
Richard Constantine G2UGF looks at the fatst
incamation ofthe FTN-S0O, the FIMS10
14 Getting started with amateur satellites:
Tim Kiby GMAVXE explain how starting with
amateur sateltes need note dificult.
18 The World of VHF
Tim Ky GHAVXE asthe test onthe 1448
483 lve events pls althe month's other VHF
and UME news
22 KISS Antennas
Ray Howes GAOWY/G6ALW advocateskeeping It
simple and homebrew wth antennas
24 Vintage Television & Radio
Keith Hamer and Gary Smith continue the special
series looking beck atthe BBC's coverage of Cro
rations since 1937, highlighting the Importance
‘of Test Cad’ tansmissions. Thee le also a
‘vintage Coronation advertisement for car ignition
intererence suppressors. The series highlighting
‘woadcestng events rom 10 years age oaks at
ly 1825. The saga caring thers and fall of
BBC 198K ansmissions focuses on the wartime
roe ofthe Droitwich tenses, Coverage detai-
ing 60 years of B8C-2loks at some ofthe fist
programmes tobe aired. They also continu thet
series abou the development of Swiss Radio and
Television since 1922,
26 Take 20
Steve Macdonald G4AQB hs an easyt-buld
project that satisfies the Take 20 concept.
28 Data Modes
Mike Richards GEWINC sings the praises of
GidTacke 2 before giving an update on the at
est features in SATSAGEN.
34 HFighlghts
Stee Telus Love GANG sale et HE
newsnding report of Albeng used on HE
Sse
‘31 The Faces Behind the Calls
Roger Dowling G3NKH meets a couple who are
bend th Norfolk Amateur Ratio Clb the
RSGHSs Torght@8 and more, Davi & Tammy
Palmes G7URP & MOTC,
40 Antennas
eth Rawlings G4MWU continues wih the series
lescbing the use ofthe ever-popular NanoVNA,
series of Vector Network analysers (VNAS).
43 The Intemational Amateur Radio Union
Thisyer the ARU celebrates its centenary. Soot
Caldwell looks back orritshstory.
46 MIKE
Joe Chester MIMWO gets ll enthusiastic about a
ew produc frm Shark.
48 Passive WSPR Radar?
Isitpossitetolocate art wordwie sing
\WSPRlog data alone? Over tw parts, ile Sci.
hauer DK8OK examines his claim in thecry and
practice. Without formula stuf with resus that
canbe easy eifed by anyone. And surprising
insights and prospects.
54 Using MMANA-GAL to desi
an en eC Dipole 2
‘Ja MDonald GEPUC Inks as designing CFR
Dipols for 7m, 2, 4m and 20m,
56 SINAD
Tony Jones G7ETW explores te sinicance of
SINAD measurements,
‘60 Readers’ Letters
‘This mons eres cover space agerados,
\WSWINY, component evalebity and more.
61 Rallies
Locate aralyor event ear you; wehave ou usual
comprehensive list.
Sign up to our FREE email newsletter at www.mymagazinesub.co.uk/practical-wireless WinELES WIRELESS IRELES:
DIGIFILTER
PROJECT
tated
Just £13.99 for 3 issues
Saving over 22%* when you subscribe quarterly!
Every issue of Practical Wireless is written by
expert authors and contributors and includes:
The latest news and reviews of the latest radio equipment
Practical articles, tips and projects for you to try at home
Exclusive features on technical, operating, and historic events
Get the latest information on rallies and events
Get your copy delivered directly to your door every month,
or why not go digital to enjoy anywhere, anytime!
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‘13COLONIES SPECIAL EVENT2025-G4EUZ
Durham andDistictAmateurRadio Society
(DADARS)ispriviegedtobeparicipatngagainas
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tals technical artiles, theclubnewslete, Click Academy op ight) toreveathe‘Envol ‘The primaryfocusoftheevent wilbetheHE
andmuchmore. now button. For thse inteestedin joining bands including VHF UHFa satelite for QSOs
Thehighlghtofthenewplatformis fuly HADARS,weofterawarmwelcomestourclub _usingSSB, CW, FM and ariousDigtalModes.
one Foundation License training couse, roomsin Sowerby Bridgefor anyone within Myouwouldliketovisittheclbor want further
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Sign up to our FREE email newsletter at www.mymagazinesub.co.uk/practical-wireless
6 PRACTICAL WIRELESS The
2025 mateurRadiaExamin Bangladesh
sawanunprecedentedtumout with more
‘than 00 patcpantstakingpartinthe
‘examination organisedby the Bangladesh
Telecommunicaton egulatoryCommission
(erRe)
‘ThishistorceventtookplaceinDhakaond
May and witnessed amateurredloenthusiasts
‘romdverseregions across Bangladesh
coming together witha shared passion forradio.
‘communication (end see photosbove)
TheRL,
RadioamateursuLuxembourghas announced
‘thatLuxembour'sPostPilatelyhasissueda
special postage stamp forthe 100thanaivrsary
‘ofthelARU.Thestampandthematchingcard
sreavalebleon
‘opostphilatly.lu/en-US/Products2qrsiaru
‘They canalsobepurchasedatthe RL booth at
HamvadioFridrchshafenin June.
TheRsca
EMCleafletsonmaiswiingandearthing
requirementshavebeenupdatedbytheEMC
Committe toreflectthelatestvesion of Patt
P che Building Regulations fr England and
Wiles. Part Pdeaswithelectricalsaetyin
domestic homes. Therearetwolealets a base
vetsionand anadvanced version andbothare
aailableto download from the RSGB website
Goto:
‘sgh.orgieme
andselect EMCLeaflets'rom themenulocated
“ontherighthandside, Choosethe EMCLeafet
7: Earthng andtheradioamateu links. Youvill
alsofind manyotherresoucesonthesamewed
page hat wilhelpyoudealwithawiderangeof
EM problems,
Ju 2025 PRACTICAL WIRELESS
New Featuresin AN-SOFV10.5
Thisnew versionhasthefolloning aditons
NewLoadimpedance Types
Thesuiteoflumpedloadimpedances has
beenexpandedbeyondSeresRt,RC,and
+Pktoinclude Seis, Parallel and TrapRLC
configurations. ATaploadconsistsof series
AL combined wth aparalel,makingt highly
Uuseflformodelng inductors, raps, or other
paalelresonant cuits.
Loadimportation&Exportationin.NEC ies:
Loads cannow be importedandexportedusing
specific commands:
LD0—SeriesRLRC,orRLC
LD1—+ParalelRLc
LD4-+Fixedimpedance RX)
LD5—irecondutivtyadétion
NEWILD6-—TrepRLCload
Improvementsin Wire Selection
Refined Single & Multiple Selection
Enhancementshavebeenmadeto single
selection and multplselection. Selected
wirestemainvisble andhighlighedinight
biueaftr transformations (Move, Rotate,
Scale, Copy, Stack) ensuring seamless editing,
Persistent Selection: Wires remainselacted
uni double-click or ESCis presse, allowing
users topertormmutiplemodifications
consecutively and unsimultions between
changes withoureseectingwites (see the
flowchartbelow).
Improved View Acjustments: Moving tating,
andzoomingthe view ow retain selected
wires. TheESCkey or doublectcking wll
Unseectallwies. Thisrefiement makesit
ceasiertomove,rotateandz0om thevien while
selecting addional wires ordeselectingthem,
Selection Retention After Saving estat:
Solectedwiresemainhighightedafter saving
‘the project andreopening AN-SOF, enabling
immesiatecontinvaionofwireedting upon
loading aproject.
IntegrationthBottom Toolbar Userscan
now move rotate, and zoom the view while the
‘Add Source/Load/TLtoolbaror List Currents
toolbaris open Thismakesiteasertoadd
sources loads, connect transmissions, ot
viewimpedance, curent voltage, andponer
dataat selected wie segments. Thetoolbar
cantemainopenwhileslectingnew wie
NewUndo/RedoFunctonality
MuitLevelUndo/Redo: The new Und (C+
Zand Redo (CY) options, accessibevi
theEeltmenvandmaintoolbarnow suppert
‘levels of undo/redo-amajorimprovement
covertheprevious single evel undo,
NewExportation of Seript Templates
Effortless Sript xportatonforScilab&
Octave:Userscannom export scriptemplates,
fromMsinMenu>File> Export Wires:
“sce fles — Ready for Selb scripting
“an fles—- Compatible wth Octave
Automated Sweeps& Optimizations These
scripts enablethe development of sweepers
{automating mliplesimulations with varying
antenna geometric parameters) andoptimizers
(odiyingantennainputfiles dynamically
viaanoptiizationseriptincombination with
theAN-SOF Engineto minimize, maximize. or
acievetarget performance metic).
‘npsiantennasimulator.com COPERATIONMANNA AND OPERATION
‘CHOWHOUND: Norfolk Amatew Radio Club
‘organised specaleventstationatT0OthBomb
GroupMemorial Museumovertheweekendof
26/27 Apr.
(Operation Manna and Operation Chowhound
wereimportanthumanitaianfooddropsto
relieve thefaminein Holland behind Na lines
lateinWord Wari. 20,000peoplenaddied from
starvation and 980,000 weremalnowished
‘andmanyhadsurvivedbyeatingpets and
spolled fod. 2025commemoratesd0 years
since these momentous operations RAF and
USAF personnel forthe frst timesingaieaft
bombers tocrop desperately needed food aid
Severalgoupsofradioamateursaroundthe
wordmarkedthiswthspecialeventsttions
and awards andinadéiiontoGBB0CHOnesr
Die inNerfolk and GBEOMAN inLincolnthere
wereotherspecaleventstationsalsomarking
theerentinNetherlands, Canada UnitedStates,
Poland and Australi
‘Qusncerethanksoalthoseat100thBomb
‘Command museum formakingus oWweleame:
ve 100bgmus. org.uk
Thephoto shows NARCchaimanDavid Palmer
GGTURP (eatuedelsewhereinthisissue)
operating BBOCHO.
‘BARRY LEWIS G4SJH HONOURED AT PARIS.
{ARU MEETING: CongratulatonstoBarry
LewisG4S.HwhohasbeengiventheIARU
Diamond Awardat the ARUR1 Interim meeting
InPate
‘Theawardisgivento An/ARU volunteerof
longstanding whohas provided services over
a signifcantoumber of years andhas shown
exceptionaldiigenceduing along peridot
Inadtontohis work forthe ARU, Barry
‘voluneersasthe RSGB Microwave Manager.
(GBOWYTFORAIRFIELDS ONTHEAIR:
Itsthat time of yee when Huntingdonshire
‘AmateurRado Society (WARS) Special Event
Station Teamassembleforthe purpose of
setting up the Special vent Station GBONYT
forthe Annual RAFARS Atl onthe event
fromRoyalirForce Wytonin Cambridgeshire
‘As wehave agoodrelatonshipwiththe Owners.
of GlebeFarm whichsitslust West ofthe RAF
\Wyton Main unway(8/26,weaskedandwere
ranted permission tooperateundercanveson
theCampsiteforthisyears event
DBuetothe operating thecallsign‘outsidthe
wir'at RAF Wytonforthethirdyearruningwe
AidnotheveanyCadetsattendagainthisyear,
asa Clubwedomiss thatelementoftheevent
astheyaresointeresedinthewayweopeate,
theyenjoy geting stuckintocaryoutthe
logging andopeatingtothefactthatthe Club
‘members aliaysend pmakingthebrew forthe
Teamandof course making suethebiscuts
andcakegetsshered around!
Saturdeywasaneaty start at 8:00emfor some
oftheTeamwiththecallsonHFstartingto
‘ome non 40m. During the day wehad Jack
'M74IChis Dad Wayne M3WAB (222 photo) plas
Darren M7AKD visitor station whichincluded
‘operating on2m plus HF and someloggingby
them,
Steve GIKWE wascaling CQonthe HF withhis
LoggerMeryynG&KLEtyngtokeepup. Various
(805 followedwithpileupsattimes during
wwhichagainwe changedloggersandopertors
Autingthedayoncethepileuphadeasee.
Weoperated the GBOWYTcallsignonthe 2m
and 70cm alin frequenciesbothFMandSSB
UusingourleomIC-821H which gotus some good
contacts onSatudayasitwasthe 145 lve
event fam12-3pm,
(OurSunday tart was aterat mand ne
weresoonintopleny of activity agin and
withmany pleupstomanagethroughoutthe
finalday. Avother visitor was Mick MODXL
whopoppedly enroutetoCambridgeonhis
motorbike
(Overall weworkedonHF/VHF/UHF some
225 contactsove the operating petiod which
included 1 Airfield Callsignsincludingthe'pop
up (one dayoniy) SESat RAF derby nthelsieof
Manon the Sunday Weworked mostly Inter
on dom.
David MOSKT (RAFARS4789) wouldliketo
thank Dave GETG, David MOVTE, John MOMS
(RAFARS4502), John GFIK(HARSCChaiman),
Mervyn GAKLE, Steve GIKWF Malcolm MOOLG,
MalcolmMOVVT, MareMOIMG Richard MOOFF,
Clive G3NKQ and Martin #7XMYfortheirtime
anddedicatontogetingthestationontheair
andtakingtumsinopeatngit.
HARSis friendly adioClb wthawealth
ofradioandeyber knowledge amangstts
members whoarewilingtosharewithfelow
amateurs. has afacetefacemeetingtwices
‘month (ting Summer) at Buckden Vilage Hall
further information can befoundat
hnups7huns-hams. webly.com
Sign up to our FREE email newsletter at www.mymagazinesub.co.uk/practical-wireless SOB OUTREACH TEAM ANNOUNCESNEW
DMRPROJECTFOR UNDER 185
TheRSGE Outreach Teamis offering qualified
amateur radio operators undertheageot 18the
opportunity totakepartinanew DMRprolect.
Theproject’saimista help youngpeople get
onthesirandbuldtheccnfidenceinmaking
50s
he Team has ine DMRhandheldtansceivers
andhotspots available obortow ortiree
months completely free. Aspartofthe
offering, the Outreach Team wllbehosting
regularyouthnetsthatyouwouldbewelcome
tojoin
‘Youcan ply forthe DMRktasanindvidal
orasa schoolgroup as longas onememberof
thegroupsicensed
Another partoftheprojectis to support
teachers who wouldlketotaketheiramateur
radolicence and setup aschoolub In
collaboration withthe Radia Communications
Foundation (RCF),theRSGBisofferng pay
thelicence exam feefornineteacherstoelp
getthem andthe school club stared
Hyouteateacherwhoisinerestedin
discoveringmoreabout amateur radio and
sharing thatexcitement wth your students,
getintouch. Onceyouhaveyou licence you
canapplyforthefree OMRkiton loanfortree
‘monthstohelp setup youtclb.
youareinterested in applying for@DMR,
filloutthe application formavallableonine.
youare ateacherinterestedinstartingyou
connradioclb, lease emailRSGB YouthChair
Chris Aitken MMOWICvia
Youthchamplon schoolarsgb og uk
DISTANCELEARNING FOR THEFULL
LICENCE EXAM: TheBathBased Distance
Leatningteam (@80L) havebeen running
courses since2011.Intattime heyhave
helped over 1,000 students toobtantheirFull
Llcences. Student feedbacks alvaysvery
postive andthepassrate continues tobe well
‘over 80% compared wthanatonal average
around 65%,
The 201 team are now planning nother ull
Llcenceleveleourse Thecoursewilrun from
late Augustto December aimingforexamsin
January This courses intendedtorthose that
havepassed the Intermediate examsodoes
notcover allot thematerialrequiedforthe
DirecttoFullexam,
steceiveweeky work packages viaan
anlineclessroomandhaveaccesstoweekly
online toils. Eechstudentisallcatedto
cone ofthe remote tutors who provide feedback
and additonal guidance. Tereareweeky
quzzestocheckon progress andattheendof
‘the course there ae anumberofmockexams.
Therearealsocrosswordpuzzles and practical
exercises tohelp wth leering,
Thereisnockargeforthe raining but
applicantsmustworkthroughsome recourse
material andcompleteaquiztobeeligiblefor
aplace. This focuses onthe'new Intermediate
topics thatharebeenintiduced tothe exam
since September2019,
Thepre course classroom simstomakest
applicants canuse theBBDL systems, andto
ensurethat they ateteady forthe current Full
training syllabus
Fachstudentwilneedtoprovidether own
SGB ulLicencetextbookand arrange thet
onmexamattheendofthecoute. Advice wil
beprovidedaspartof the couse
Thedeadlineforcourse applications is
Friday25 July. Torequestfulldetallsandan
application form please emall BDL Team
Leader SteveGOFUM, vis
_fuwabbd org.uk
PRACTICAL
WIRELES
MONTHLY NEWSLETTER
SCAN HERE
BIT.LY/PW-NEWSLETTERSIGNUP
Pe
CU heir]
Amateur Radio Exhibition
June 2?-29, 2025
MESSER GCOS LC
PO eT oT
ds
Aaa
MS
Ey
Buy back issues and archive CDs at www.mymagazinesub.co.uk/practical-wireless
25 PRACTICAL WIRELESS FARS VEDAY CELEBRATIONS: Furness
‘Amateur Radio Socetyusualyholda summer
'B8Qformembers ndfamiyaGleston
Watermill eartoUWerstonin Cumbria. Mike
Brereton GEALE who wns themlisalong
time clubmemberandhas generousyletthe
clibusethe mllforvaious events orerthe
yeas, ncludingMilsonthe Airofcourse
Thisyearasitis@0 years since VE Day,the
clibcommittethoughtit wouldbea good
ideatoceleratethsevent, twas decided to
amalgamate thecelebrations withthe usual
BoQevent Butte ideathenformedtorecreate
astretparty and also demonstrate some
WW ratios.
Nick GOHIKDroughta dspiay of Command
‘equipmentrunningondynamotors powered
bytwo 12Vbatteres as wellasdisplayings
Weiss Set 48 and 58. Jim MOKYL, brought
hisR11$5receiveralongto display. Simon
GIZIM brought verynice display of Wireless
set22andClassDwavemeteras wellasother
atefactsoftheperiodto makeaninteresting
display.
Wehadappliedforthespecial event Callsign
(GBOVICfortheday,butconditione were
notvery goodon80m, soweleftthe radios
runningon the VOLMET frequency forabitof
atmosphere. Someradiowas actualy done
‘ond0m fromthe caravan usingthe Mis
pemanent call GB2GW as twas lsoMillson
the Arthesame weekend. quipmentused
wastheclubs eomIC-7200andthenenly
installeong wireand UrUn,
Alina. vryenjoyableday with a good
turoutof clubmembers and plenty of chat.
Hopefully we wlalsobe able tocommemorate
VsDayin August.
‘AIRFIELDS ON THE AIR GBOAOA:On Saturday
5 ApriltheRivieraAmateurRatioClubtookpart,
inArfilds onthe Ai operating from aca parkin
the icintyofHaldon Aerodrome which though
nowdisused wasinopeaton rom 1927 ndsaw
servicenWord War2, Those whotookpartwere
Roger GIVTK ndlanGSTEQonHF(seephoto)
and Steve G7AHP 00 VHE
EXCITING NEWSFOR AMATEURRADIO
ENTHUSIASTS IN INDIA! Starting withthe May
2025exams,newcalsgnswillbeissued. Here's
What youneedtoknow.
General Gradelicenses(VU2) wilgeta
callsign ike VU220x or VU28AR,withtheVU2
prefixfollowedby acombinationfletersand
rurbers.
+ForRestrctedGradelicencesthecalsign
format willemsinsimilartowhatitienow lth
Sltters and digits, keVUS3ABS. Restricted
Gradelicences come with someliitations:
NoCW (Morse code operationallowed
*Maximum power output of SN
(GUJARAT CELEBRATES 100 YEARS OF IARU
‘4 WORLD AMATEUR RADIO DAY2025:Ina
signficantcelebretionforthe 100 Anniversary
ofthe Internation AmateurRadioUrion(IARU)
andthe World Amateur RadioDay 2025, Rajkot
InGujaratwitnessedtwortrilingbackio-back
events organisedby Rajesh Vagadia VU2EXP,
Gujarat Regional Coordinator forAmateur Radio
Society flndia(ARS) and AMSAFINDIA.
‘Themed “Anchoring the Next Century of Amateur
Radio Communications and innovation, both
vents were meticulously designedteignite
crisity, cultvatetechnical understanding,
andinspire young indstoexplcethelimiless
potetialof AmateurRadioasamediumof
‘communication experimentation andpublic
TheWorlé Amateur RadioDay2025 celebration in
Rajkotwas morethanjustacommemoration-it
vwasamicrolaunchpadforthenext generation of
experimenters, communicators and imovators.
WiththepotetalofHam Ratio, the spiritof
leaming,andthestrengthaf collaboration the
‘uureofwiclesscommunicationisincapable
hands
hips info
hupsufgiacorg
(GB2WM FORNATIONALMILLS ONTHE
AIR: During the weekendof 10/11 Mayrmembers
ofthe Huntingdonshire Amateur Radio Sociey
(HARS) setup andactvatea Special Event
Radia Station forDuloe TonerMilinEatonSocon,
CCambridgestireusing the callsign 820M. The
stationwas puton forthe anual National Milson
the aireventwhichissetupbythes PAB. Mills
section Society forthe ProtetionofAnclent
Bulngs) with Nunsfeld House AmateurRadio
Groupcaltingalltheinformation orthe ils
thatweretakingpart
Thiseventisseenaeatinetopromoteamateut
radio while elpngtopreserve some of ourlcal
heritage many ypesof Mistake partinthe
cerentabet steam, ateshose tidal orwind. The
National Mills evertistheannualfestialof our
milinghertageand provides youwithafantastc
‘opportunity tovistMilswhich wehavemany
locallyacrosstheUK
Collectively we managetolog8Milswith3of
these being millslocatedinthe Netherands. We
had other SES allsigns GB1SMP.GB2TLSand
{G82TTalongwithsome ub cals GBIMAD,
(GB2RS, CBOVE, GBSVED,CBOSBM and MOPLA/P
froma Bunker andourfrsever/MM Martine
Mobilefor longtime!
LINCOLN SHORTWAVE CLUB JOINS THE
DAMBUSTER ANNIVERSARY: Thehistaric
village green atthe former RAF Scamptonplayed
hosttoaspecialeventrecently makingthe@2nd
anniversaryoftheDambustesrad. The Lincoln
‘ShortWave Cubwashonouredtobelevited. The
afternoon provedtobearesoundingsuocess, with
‘many istorsengaging wth theclb's activites.
particular highlight was the opportunity for young
attendees o geltheirvoicesontheairwaves,
anesperencethatwascelebated withthe
resentationofcommemoraivecetficates
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10
PRACTICAL WIRELESS 2025 EE
Richard Constantine G3UGF
sugl@norcomm.co.uk
nthe November 2028 eition of PH, | waxed
lyrical about Yaesu's new, S5W VHF/SOW
UAE FTM-SOODE. Atlas team had sat
down and re-evaluated what operators
‘wanted and needed from a dual-band ao,
especially when onthe move or portable
| think almost any experienced amateur will
tellyou that modem trafic driving standards
and cad conditions have become much more
challenging from a radio perspective in recent
years Pethaps thsi why wehear more radios
now operating from fixed locations to activate
repeaters than actualy mobil. Ther are lots
of folk out there but they ae jst isting for
someone else to use the repeater. Perhaps @
contributing factorhas been the eer increasing
range of featuresich radios that are how shall
4, less than use friendly for divers.
The FTM-5000 design team cleat took
a serious lok at his pablem and came up
with an extremely practical solution, making
eperation much more straightforward without
compromising on important features and
ally
PRACTICAL WIRELESS
ia)
VOrm—
‘>
Spot the
Difference?
Richard Constantine G3UGF looks at the latest
incarnation of the FTM-800, the FTM-510.
facies.
They mast effectively added arow of easily
Identifiable simple touse buttons along the top
edge ofthe 5000's fascia pane, including one
to-engage aband activity csply. Nomare knob
turning r sean function juggling to find signals
‘large clear touchscreen made life simple
‘Aone press opionto switch between upper
and lower active frequencies usualy set as
\VHF and UHF bends with independent conto
completed the picture
n operating mode button
the ad's ably to switch
automatically between analogue and digital
Fusion when set, no operator involvement
required.
They maved the GM button that engaged
the closed group monitorplus one toone call
funetions when in git mode to the top row
ied the at--ganee, eay-o-see user
programmable dspiay showing the curent setup
of the radio when making a short ress onthe top
right rotary Function conto
[real liked the front panel olin quick store
PMG button that permits quick storage of up to
five channels. fs something tha’ so useful
n eeee
Webbeoee
Phot 1: Sptthe Difference? quality construction, based around a flliength
Phot 2: ide by side comparison louvered cast alloy chassis design and fan
Phot 3: nstling BUS Bluetooth module. ducting system thatkeeps the radio cool
The ably to split the contro head and
when traveling Usingitenabled me oleckin wansceiver pack wth tting ead fr desk or
active repeaters onalongjourey and quickly vehicle mounting, a front mounted speaker and
find ther again on my return atlest amicrophone socket onthe head and not
Ofcourse, the flagship radio had many the ain body, usualy under the drivers seat
more features tdisplay on screen nciuding these days.
GPSsatelites, electronic compass altitude Ina nutshell the FTM-5000 was atthe time
‘monitor, APRS tracking. irband monitoring, anew direction for Yaesu and my enthusiasm
and fll display ofeallsigns/messages and forithas not dimmed. luse one every day and
even theabiliytosendandrecewe pictures _—is.a‘pieceo cake’ ora diver, especially the
ingigita mode when using the optional photo ‘Bluetooth, that havea smallissuewithas its
rmicrophone ‘anoption nt standard
Then as now the dilemma was what to inclode
and what to leave outin the review. R&Dandwhat'snew?
Mriefy mention theexcelent,solidand —_—Research and development departments
ort st on theihands and production and
‘marketing need to maximise the tun on@
company’s vestment.An uprated, de-uee
‘model Mk2 or even Mk product is staple of
‘any manufacturing business. I's ether that or
the economy version and cleaty thats not the
rection travel forthe latest FTM-S10Dasp,
Pre-amp&audioprocessing.
evaluate any upgrading ofthe switchable
pre-amp activated bythe top mounted SOX
button, |took both the £000 and 5100 to
Toc high pot ta giteme an opportu o
monitor my clu’ weky repent net. The
rice chunky backlit eyboerd mic’ as four user
programmabiekey, Assigning P2toreverse
Shift rom the menu allowed me olsen all
incoming stations at varying strengths both
direc via the repeater ad at the touch of
button
Bath aos gave similar resuts bt what
arenes wa avery pleasant andrewaring
supe
TheS00a5pis now equipped with an Aud
Digital ina Processing mule SPU") inside
‘hemain unt, works wth he SDX preamp
button ona second press. The effects intanly
amazing and canbe sel activate of
automaticaly
iii processes and removes nis from
‘weaker FM signals. The hiss from a typically
no uly quieting signal dapper The aio
becomes much ese ands more plesant
listening experience. work down oreltvely
low signal eels and even very song repeaters
anpenrimproved, Mostimpressive.1lkeit a
lot
“The preamp emainsin cuit aritalso
works on AM signals when aban montring,
Ofcourse nt there when using CAF
digital Justone noted anlfect on extremely
weak signals that appeared introduce the
{arto oreow gable of andom signals that
YoU get wth some SORIype radios. Very stenge
butrotrealy abigiesue
Incidental the ASP module is ow ted
to eesslatestverson ofthe FTA-150 dsl
bend FM mobile and their F'31852m and FT:
43165 7dem single bande
Both mals SO0D and 510085 are equiped
withthe quality sound AESS phe adaption
{Speaker sytem thet weft sew n Yaesu FT
THOME ado
Thesystem allows the se tobalance the
{ron mounted spake ust blow the main
‘ton panel andthelageruntin thera’:
main boy. Wit the ASP unit smtched off,
‘heoperatorcan emphasise higher or loner
frequencies, hevea fatresponse rst mi
range ete Perhaps an excellent benef for
those wth compromised heating. Thenew ASP
nly wos with he ant speaker
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12
PRACTICAL WIRELESS Photo Internal ASP module factory fied.
Photo 5: Removable cr mount and bracket.
Allof the features and setings inthe
‘comprehensive 127 menu lst ofthe FTMS000
model remain. GPS receiver Home Channel,
Primary monitoring group, altitude, Compass,
Journey track distance to other station,
APRS displays andthe much under exploited
messaging, one-to-one and digital group calling
‘that’s particular gift fo any Raynet group.
Upgrades to bath these features ae worthy of
special mention.
Touch andgo'allows users tojumpon
toabusy chanel directly from the band
scope display or simply by pressing the main
al knob. In conjunction withthe Primary
Monitoring therés now anew Automode that
allows the user to continuouely keep an eye
and ear ontwo channels simuiteneously in dual
receive mode rather than only one as before
‘Simplex and repeater useimmediatey springs
‘taming and ofcourse for events and Rayne
Free orbusy channel sindicated by an area of
‘the PMG display that links.
PMGnow has atwo-second auto fading
splay frinactve channels making active
‘channels clear and easy to see ata glance
‘Wien the 5000 was first launched the package
ost £628.00. It id briefly include Bluetooth
but that was later temoved andthe cost
lowered. Is quite staightforward 0 install
and detailed inthe user handbook. You spit
the head unitint three parts by removing 12
screws and pacing a double-sided very sticky
pad ona clearly marke area ofthe intemal
‘ireuit board.
“The BUS plugs directly into a vry sm
and potentially easly damaged socket onthe
mainboard so must be done with care. used
‘tweezers toplaceitcorectly-watch out forthe
sticky pad grabbing the board! As always, static
protection is recommended when doing this
kindof work
The head unitrernotecable and desk)
mobile mount re not inthe standard packeoe.
‘though had one for review, never was a
fanof the thin metal head mount bracket.
Atthetime| thought it wast upto Yaesu's
high standards and sad so. My opinion haset
changed.
‘Althetimeof press a BU-5 Bluetooth module
that would strongly advise for motile costs an
audional £39.95. Of couse you algo need to
factor inthe BF-20 Bluetooth headset at £28.00
~and theres choice of two remote cable
lengths starting at £2295 forthe 3m version.
‘Among other optional accessories there's the
FVS-2Voice module and a swivel head mount
to.anglethe conto head toward the operstr.
‘As forthe metal desk/dash bracket there
ae atleast two 30 printed alternatives that |
know of readily availabe online (eBay). Ata
very similar cost to the OEM item they have the
aulded advantage of being angle adjustable and
maybe itl safer inthe event of a serious
driving accident. An example canbe seen in
‘ne ofthe photos. I also shows my simple,
universal and removable solution for dash
‘mounting, I canbe customised to suit almost
any modern vehicle wit litle thought ruler,
penciland paper. t consists of an appropriately
sized plywood base tha its onthe dashboard,
Inothe vehicles without a suitable recess
the board could be extended to meet the
windscreen, Theres a wooden strip lued and
screwed tothe rear edge ofthe base. ts bottom
edges angled to follow the sloping dash while
leveling the platform.
ve reused the orignal short RJ cable
thats normally hidden between both halves
of theradio when a single unit. A backto
back extension connector is fxedn place
with double sided tape plus strip of ro.
slipmatto the underside of the board that
prevents movement and marking of the vehicle
dashboard
For secur the connector allows the platform
and head to be quickly removed when parked
arin trong sun et. Ican also use the vehicle's
al-con system to keep the unit cool NB. Ithed
toberemoved during vehicle MOT, otherwise
instant fait
Inmy original 5 Str review! wrote that this
flagship premium dualbander was much more
than ust redo witha wide rangereoeiver
My view hasn't changed. With the latest
upgrades andinnavative step frwarditjust
got tha litle bit better.
If you'e considering anew VHF/UHE higher
powered, fl featured radio for home or car
ith worldwide digital capability and that’s easy
tooperate the FTM-S100asp has tobe very
‘much on yout shopping lis.
FTW-510Dasp standard package cca
£558.00 at time of press. My thanks to MLES
for analy delivery for this review.
13 Tim Kirby GWAVKE
gwseeeicloud com
sing amateur satelitesis sometimes
peeled asa complicated change.
Certainly, youcanmake tabitmore
complicate wth al sorts of fancy szth and
lettin rotator, computer contol and son,
you wantto. But thas not necessary.
Staring of what yourealyneedisa simple
low poner sation capable of tansmssin and
reoeption on 2m and 70cm anda duatbend
antena forthe same bands. Evenifyouhave a
handheld capable of SW ouput given the right
conditions you wil beable tomake satelite
contacts. Ihavebeen able to work wellinoheUSA
using a 5W/FMhandheld and a portable Yagi
fe probably easiest to tart off wih an FM
satelite. Eachof the FM stelites whichis
avalabehavetheironn challenges, uti tis
atl, hope to give you some tps to make
those challenges just litle bit easier
‘An satelite essentily repeater moving
inthe shy, excepthat unlike atresia repester
which receves and tans onthe same band,
satelite receives on one band andretansits
whatitheas on anotherband. Theory of Fl
satelite reeeveon 2m and transmit on 70em,
although thats nota hard and fast. Likemost
teresa repeaters, you wil probably need to send
‘specie CTOSStoneto be repeated through the
satelite. Do besrin mindthat youdost wantto
program your receiver tolok for aCTCSSone—
you ony want to ansmit CTCSS.
What sort of rg do youneed? Weal, you should
have aig which is capable of receiving on, say,
‘Oem while you te transmitingon m= fll
Auplexoperation. The problem wth thats that
there rent that many rigs which are capable of full
tuple
Certainly, here are no handhelds avalabe at
present whichhave ful duplex capably. There
aresome dustband abies aalable suchas the
Yaesu FTM-SOODR which have full duplex but a)
‘harsnot acheaprigandb) isnot hugely portable.
youre uct, you might be able to pick up one of
‘helast fll duplex handhelds made, the Kenwood
TH.O72. Butagai, these arent cheap even
second hand
‘So, what todo? Hard coe setelit enthusiasts
wiltl you tht you mst have fll duplex, sothat
yeucanlisten as you tans andcan elif you
aregetng trough the satelite. fm going say
that forFM, hss preferable but nt essential
of youhavea simple dvalband handheld which
‘anttansmiton oneband and receive on anther,
‘hatwilbe enough to get you started. Another
possibilty touse two handhelds, one for each
“
Getting started with
amateur satellites
Tim Kirby GW4VXE explains how starting with amateur
satellites need not be difficult.
band, Troubles, uniess you have a god duplex,
‘then transiting on your 2m handheld may wel de
sense your Tom handheld ~ rendering fl duplex
impossible anyaay!So, for your fist fen contacts
you can use regular sem duplex handheld
‘Something simplelike a Baofeng UVSRis fe ~
slthough you can certainly use amore expensive
rigifyouhaveone. Kel, the ig shouldbe
capable of string memories where you transmit
‘moneband and receiv on another, Wellcometo
programming memariesina ite wil
Before we d, we need totak about Dope Shift
‘Most fu willbe fail with the concept of
Doppler Sift fromthe standpoint of listening to
thestrenonanemergeny vehicle geting highrin
pitch asit approaches us and then, afteritpasses
bythe pitch drops. Exact the sme ting happens
with
Tak, for example, the tansiter ofthe $0
‘50 satelite, whichis on anominal frequency of
436,795MH2, Assuring tisheadingdirecty
PRACTICAL WIRELESS 2 toward you, when you fist hea the satelite it
could beup to 1044 higher than the nominal
frequency on436.805MHz Aste satelite
‘approsches you the frequency wll op gradually
0 436.800MHz and then cite quctly asi passes
over toyou 10436.795MHz Asitmoves away fom
yo, twill move downto 486,790MHz and finaly,
before youlose signals, down to 436.785MH.
You soon wrk out whento change frequency
the signal wil became choppy and dstorted
Doppler shifts only realy thing on oom. You
ost realyneed to woryaboutiton 2m. The signal
right move itl rom the nominal on 2m, bt
oniybyaldtzorso
Sof me wanted toprogramup some memory
channels sothet we could rk hrougha pass of
the S050 satelite wemight et upfvediferent
‘memary channels as shown in Table 1.
‘couple ofits of terminology o explain:
‘AOS Acquistion of Signal
TeA~The Closes Approach
08 Loss of signal
With these memories programmed up nour
radio, allweneed odo istotuneto the AOS
frequency to hear the satelite fit (sometimes,
actualy depending on the pass, youmay tat
tohearthesatliteon the’ channel ie Sk
lower than the AOS frequency andthe tune
down keeping the signals song and stable as
possible. the satelite is along way away fram
yu, on thehoizn andnot maing towards you,
yourayhearitonthe TC frequency. This will
become obvious as you get more experienced.
‘anda sila lock of memory channels forthe
'$crossband repeater would lok asilustrated
intabe2.
Antenna
Aight! We hare ou rig programmed up, Weneed
‘nantena! Youll need morethantherubber
uckonyour handel. There area coupe of
amnmercialy vaabe antennas that youcan use.
‘Aw produce a2m/70cm design which youcan
find nthe AMSATUK shop.’ ot cheap, butts
good. Ekproducea similar antenna which also
works wel thik youd haveta ode that fromthe
USAas faras can se. Moonrakerhae, think, a
‘4al-band2my70em antenna which might wark as
a satelite antena although as Irecal tlie
heavy toald for ten minutes during satelite
ass You couldhomebrew something -thereare
plenty of designs. made aQSO wih two HBECVS
(0nefor 2m andonefor 70cm) bodged together!
Youcould have alook athe designs fra tape
measure Yagi So, there arts of options.
Whatever you chose itneeds tobe something
fail ight that you canhod comfortably wth one
had while olin the rig inthe thet operate.
Youneed to follow the satelite across the sky with
the antenna. You willsoon et used to tacking
‘You dort have tomove to quickly. But how doyou
know wher to pointhe antenna?
‘Trackingthe satellit
‘Youneeda satelite racking application! There
are lots of these available and probably the
most coverent pts tohaveonon our
smartphone Foran Aple phone use GoSaNatch
hich works very wl athooghyouRevete ey or
Photo 1: A portable satelite station doesrt take
‘much oom. And you can tae it almost anyahere!
Photo 2: Portable satelite operation an require
some juggling skis!
oto 3: APRS operation through the ISS can be
done with an even more compact station.
There arefree satelite tacking aps. think SS
Detector works on bth Aple and Android phones
andthe thte’s AMSATDrod fr Android.
‘The apps wil show youupcoming passes and
howhigh sbove the hoizon (maximum elevation)
‘the pass ile. tl alo show youwhere inthe
‘hy the satelite willbe at any particulrtime. As
well a tuning the antena te point towards the
satelite, ty twisting the antena from oizontal
‘vertical andin between to maximise the signal
‘strength Te ange wil vary troughout the pass,
soyoul need tobe constant adjusting things.
allsounds complicated util became second
ature,
Giveitago
Wh althese ings thane youre ready ty
itallout Ferthefrstpss or wo maybe pinto
listen ahr han ovens. That wil get youused
‘ojala the antenna cectn Doppler shit
and soon its aso and tolistnto get aniea of
satelite operating practice
Buy back issues and archive CDs at www.mymagazinesub.co.uk/practical-wireless
uy 2025 PRACTICAL WIRELESS
18 If fairto say that somepasses, especialy
those whch arehigh over Central Europe, are
very buy, enti andi’ nt vr easy to make
coacts, because everyone scaling over each
other Fortunately, nota passes aelke tha ate
evening or early morning passes may be much
‘utr Where ven West Wales im lucky
enough tobe ableto seepasses that are wellout
tothe west across the lant Those passes can
bevery quiet 00. Soi youhear some very busy
assesto start wth, drt be disheartened. tis
possible to make contacts with SW and a portable
antenna, but as with QRP on HE you have to plck
yur moment!
ifs probably also worthwhile giving yousn dea
of anormal satelite contact:
(CO Satelite 2MaSOL over
2MOSQL GWAVXE over
(GMAVXE youre five anne inal scar eight
‘2MOSQL GWVXE Thankyou, also five andnine in
aly Oscar seven one. Thanks and 72
‘2MOSaL 73 082 240SOL
That’ it Of couse, sometimes theese repeats
and sometimes ithe satelite really quiet you!
enduphaving abit chat butmere often han
not ts quik rest. you happen to werk
North Americans onthe satelite, whichis perfectly
possible on somepasses, be aware that they tend
‘otto giveyoua signal report but wljustgive
thei locator square. They wari woryifyougive
them a signal report andyou dort need to worry
yu dont get report rom hem, The contact wl
bevald for satelite award purposes
‘nce you'vehad listen oa few passes, then
havea go atmaknga contact! Try aque passif
you can but hopeful youl son succeed.
Contacts witha handheld takes tle more
patience but hopeful you wil soon be making
Plenty of contacts around Europe and perhaps
further afl, Should youhave a dual-band mobile
wih to rados and youcanunitaff something
ikea leisure battery. or even from the car then this
canbe slighty mre potent setup. You wot need
toruntherg at SOW, infact please don, but 10or
154 wit make things much easier fr you. find
this ane quite good portable/mbile setup,
with he ig on the passenger seat andthe doce
open leaving me able ou the beam in whatever
rections needed
‘Which satelite are god to try? S050 andthe
|sS rossbandrepester certainly both ofthese
canbe very busy attimes. There are some newly
launched Tere stelites and also 0-124. An
od satelite whichis great touse but which has
reliability problems now. AO only use AO
51 ding daylight hous owingto the stato its
batteries). Youl soon get asenseof te saelites
ou enoy using and what you can do with each of
them
APRS
Thee ae also APRS satalltes,thebestkownis
‘the APRS cipeateron te International Space
Siation. Thisuses 1200 baud packetadio on
145 825M. f youhave a handheld which il do!
APRS youcanuse this to send beacon though
‘he SS’ sigipeater which wil getrevansmited
beckto arth,
Youlineed to change the UNPROTO path fam
whatever youuse for terrestrial APRS o be RSOISS
and ten all beng wel the 8S willhear your
packets and dgipeat them. Youcan transmit
beacons andi youre quick you my be abl to
enter short messages to other stations andhavea
packet QSO through the SS. Is god fun you are
lucky, youmyevenbe able to get a beacon packet
‘trough hedgipeater using a standard rubber
luck but sucess wl be betefyoucanuse
someting ke shatf.wave vertical.
Ofcourse somemobiligs also have APRS
facies and again you can use them to send
packets through thelSS. After apass,youcan
lookat the webpage below and se if you were
igipeated bythe SS and received by other
stabons
htpais.net
Lineartransponders
Were covered Fu sates inthis ari. Thee
ane sa possibitiesousenarovbandmades
suchas S8/CW and FT4onsetelites owes
lea vansponders Linear anspndestake
chunkof spectrum onone band ay SOKH2 and
repeat itouton ater band eg 2m up ard 7dem
deo), Touse near taneponder effect you
realy da eel ipl, as youneediote ale to
fndyousl one downink while ransiting on
the pink Some people tao FE8I7 FT #185
{odo tis bt obrousy tis needs afte more
investment Lier raponders good in, bt
asthe reali mote advance, peta fl
cuts the scope ofthis.
0-100
Rado arateusin Europe have ther vergown
eosatinay satelite, 00-10. Thisneedsa
diferent setup tothe saelitsthat we hoe been
Photo 4: serenshot fem GoSatNatc, 3
satelite tracking app forthe Phone.
looking atin tis aie hich ae knowns Low
Earth Obtng aelites), Te upinkison23GHe
(12am) ade domlon 06H. Ns ot at
complicates you might inka get on 0-100,
butts gen outside he sempeo isle
Finally
"hopes article has wheted ou apatite ty
some stelte operation. Youright wel aeaéy
havethe bts of tyouneed tty ou. ret
fun youare skeen VHF operat satelite
erations agaod way geting some DX in
{help when th ropo and Spore Es ie
Scmathing ele ke about etl operons
thotyoucendo trom wheerer youre Athough
alo hrizonsideal~ alongs you cn
{ome sy youcanmake some satelite contact
youl ike tolear more about satelite,
igh econmend jing AMSAFUK(URL belo),
assuming yo ala he UK Joining AMSAT 0
Shows ou supe frlauneing new satis.
‘https:ifamsat-uk.org
Table 1: Possible memory channel setup.
Channel _Receive frequency Tiansmit equncy _CTCSS tne (TX) Channel _ Receive fequeney_ Transmit fequeney_CTOSS one (1)
‘sosta0s ase ans 4s.050 sre issaosJasrato s.990 sme
ost [e600 45.50 rhe iss2. lesz 45990 sre
‘S0TCA 96795 sas on IssTcA __lesrawo 145.090 erie
sosts [36790 u5.830 ne iss a7 795 fs. 990 ene
SOSb105 [6 725 us850 ree issios lear 700 45.990 ora
Table 2: Memory channels for ISS erossband repeater.
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16
PRACTICAL WIRELESS 9o
ICOM eUPy rrr PLUS
“
with no end to
perfection...
the chase
continues!
peur
eae
“
Okie (OD Fon
Nivel
AIRBAND
cee
Es
te Een AN Cosste Ramtec
Tim Kirby GWAVKE
gwseeeicloud.com
wrote the lst column the day after the Api
"45 Ale event Figs 1 and2.Regularreaders
willbe aware that'145 Avi 2m FM activ
eo, usual tree hours in duration. Various
nets are co-rtnated around the country with he
idea that partpants can callntothe nets that
‘they can heat,conacting the net contol and any
other sitions that they maybe abet hear onthe
‘ne. Participants dont have to sty onthe same
ne they can callin oer nets thatthe ca ea
‘The mat has bese popular andthe events
‘successful Th event was orginal envisaged by
Tim Hughes GSTM. One of the current organiser,
Mark Savage MOXIC, has cent joined the board
‘ofthe RSGB ands interestedin exploring non-
contest based acts to increase activity. Ws
Interesting to see the polarised views of some
peopl who enjoy the 145 Alive events, but would
‘ot consider taking partin the month 2m FM
Activity Contest organised bythe RSGB despite
‘the understanding that 2) they dort ned tobe
‘amember ofthe RSGBto take part and) they
ort actualy haveto ‘compete ~ hey can make
contacts just as they might doin the 145 Ale
‘erent. No citicism implied m not hugely keen on
contesting mel these days, but am alvayshapoy
to gives few points away! Te next 145 Ave event
willbe held on Sunday 20 July between 1200 and
1500|ecaltime Fulldetals canbe Found onthe
145 Ale Actiity vent Group on Facebook
Dont forget the 43 Alive activity the for those
who are particulary interested in 7dcm FM. At the
‘ime of witng, lean see any arrangements fora
forthcoming event but egain,youcankeepan eye
‘onthe 483 Alvé group on Facebook, ich wll
announce details of forthcoming acti sessions,
but also some operators advertise when they
willbe outand about on Tdom FM atothertimes,
hich may giv youthe opportunity to make sme
interesting contacts,
‘As Ive said before theres sme feeling that
when ‘atv’ sessions aeoxganisd, then the
‘oniytime that people come on and operates curing
‘hose sessions! That would bea shame Ifyou
‘are on2mor70emFM (or anyother modeforthat
mate), don forget toca regularly and answer
(CQ sthatyouhea! Youmay well be suprised what,
youcan hear fyoudomakea suprising contact,
‘rope an email and can ncludet inthe colrma
younever knot might inspite someone else to
besiitiebit moreactve
‘TwometreTuesdays
andSeventyemFridays
“womare popula VHF ati eins, istine
{ori operators ae Tao Met Tuesdays and
‘Tem Fildes. These have ean encouraged by
‘Steve Ramlings GAALG, Steve mites, Now athe
‘eater sgeting ware; marporal staons
145 & 433 Alive updates
Tim Kirby GW4VXE has the latest on these events plus all
the month's other VHF and UHF news.
‘ae takingpatin the meeiy CW evening acts
‘on 2m (Tuesdays) and 70em (Fridays). Een under
ft condton, weltsited potable stations can
‘rovde good signal vera considerable distance,
increasing theckances of 2 QS0 fr those keento
‘explore the possbilieson VHF/UHF CW, lake part
inthese activities most Tuesdays and Fdays as
(4ALG/P fama site 300m ASLin Goucesteshre.
These CW actives are not contests, they
‘rovide an opportunity to have achat oat east
Fear semething about the other station. Anyone
thinking about taking pat either rom home or is
welcome o contact me by sending an emallta
steele ht
Newrigs!
ef VanaepenbuschONONT has ane hance
the VEC VRNT, whch works on2n/ 70cm
Hs qute ferent rom mast isin tat can
te programmed Beto om eurmobie
shone (soir 0) wsing an ap calle HT. Jet
Imeons that among ter things thei can end
anddecode STV (ef decoded STV fom the
ISS wih) wells sending nd deadng CW
and APRS. thas aTNC wichmakes possible
{2 useWOAD fr Walk a wellas APRSOod
“The'saGPS/80S and compas aswel asbing
veaterproot PT, Jf pid EUR25 or Hes
reloced th stock the duckwth Nagoya Nk
1H because he had a feding that thei seemed
aie deat on dom bat wh the relacement
Antena Jeffs tha lisesi sould be.
sounds afn gto ply ith, ith somenovel
features
Regular readers ofthe colurn willknow that
‘have been quite fan of the Quensheng WV:
54(8 and similiar igs, ich ae avaible at ow
‘cost. Wath the ingenuity of fmware developers
arldvidetheserigs can doll srt of things
that they mere designed to do (receive SSB,
transit form ofS8, CW and so). Perhaps
asa result this, Quansheng have jst ought
out anew tg the TKI1(5).Retaling at around £70,
thisas $88 receive as standard, without having
to upgrade the fra. The ntemethas been ull
ofrumousthat ican tansmiton 27/28MHzas
wellas 50, 144and 422MH2_fvenot hada chance
ook one tpt nfo ee ne
seen comments that he transmit perfomance on
bands other than 2m or 7dcmissillquestionble.
youre thinking of geting one do some research
first hope to have marenews or you about this
beorelong
SDRTelevision
Graham Jones G3VKV hasbeen keeping me up
todate with the development of anew software
packager Television ethusiaets and partly
those that us the Q-100 satelite. Called SOR
Television thas been developed by Simon Brown
GAEL of SORConsole fame. I's designed to work
lect with unit such asthe Adal Pluto gate
itneedsa good bit of processing poner onthe PC,
butt works very wel Hook foward to hearing
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18 Fig. 1: The Tangerine Dream team of Graham
-MMTGTS, Robert 2MOMSU and Jim MMTFEW
took patin the recent 145 Alive’ event.
Fig. 2: The inside oftheir distinctive station.
Fig. 3: Alan GMAZUK usd this impressive 4m
portable setup during the recent RSGB Am CW
contest.
more about how people have been using onthe
ac Youcan read more about SDR Television a:
vw. sd-aio.comisr-tevsian-betat
Roger Lapthorn G3XBM (Cambridge) say that,
hehas seen some Es wit ports of his2.5W
TB signa across Europe. Roger says thatheis
regula spoted by EKF wich Roger Tels is
Some sot of scatter. Roger says that he wil fish
his experiments on 8m when his transmiting
permit expires ltr inthe summer He has been