C BAND & KU BAND COMPLIANCE SHEET

Compliance to Specification document no. SSCP-1381-GLND-IN-REQ-002

Sr. No.

Specification

TRANSAS
Compliance

NELCO
Remarks

Compliance

C-Band Network

The C-band satellite communication network is being operated using transponder #6 of GSAT 10
satellite at orbital slot 830 E of 36 MHz bandwidth in following frequency band.

Complied

C-Band Remote Terminal for operation in given

Satellite/Frequecny Band is offered.

Compliant

Uplink Frequency/ Polarization

6132-6168 MHz/ Linear Horizontal

Complied

C-Band Remote Terminal for operation in given

Satellite/Frequecny Band is offered.

Compliant

Downlink frequency/ polarization

3907-3943 MHz/Linear Vertical

Complied

C-Band Remote Terminal for operation in given

Satellite/Frequecny Band is offered.

Compliant

Satellite Transponder hired from M/s. Antrix Corporation, Bangalore

Complied

C-Band Remote Terminal for operation in given

Compliant
Satellite/ Frequecny Band is offered. Provision of
Satellite bandwidth will be customer's scope. Only
Hardware to operate on Hired Satellite Transponder will
be provided.

VSAT

The VSAT system shall be state-of-art technology and capable of handling efficiently various types of Complied
applications such as Voice communication, Data Communication, Video, Fax etc. It shall be operable
in C-band satellite in SCPC - DAMA/PAMA mode. The system shall have the facility of monitor and
control at all the stations with additional hardware. The system shall have option to have outdoor RF
equipment or Indoor RF equipment.

C-Band Remote Terminal with DMDCompliant

20 modem, C-Band RF and Antenna System capable
of working only in PAMA mode over C-Band is offered.
It can effieciently Handle all types of communication,
Voice, Data, Fax
etc.

Antenna & Outdoor Unit (ODU)

The VSAT Antenna shall be designed for mounting heavy-duty ODU equipment. The antenna shall
have high gain and have surface mounting or pole mounting as required with precise pointing
accuracy needed for 2 degree satellite spacing in C-Band as required by ITU-R 580-4 requirement
for pattern and polarization discrimination.

10

weatherproof enclosure suitable for harsh outdoor environment.

11

RF frequency shall be programmable over the entire C-band

Complied

12

The RF system shall have high stability, gain & low phase noise.

Complied

Compliant

13

Shall support various data interfaces.

Complied

Compliant

14

Fully digital processing and shall have built in BER tester for network setup and fault diagnosis.

Complied

a.) Noted
b.) Compliant with proposed
alternative and acepted by
ONGC

15

Sufficient buffer shall be available for periodic frequency variations due to satellite drift (Doppler shift) Complied

16

Indoor Unit (IDU)

17

The IDU shall be modular in design and expandable

18

Shall contain required number of DAMA signalling units to perform all DAMA functions

Remarks

Compliant
Complied

Not Applicable

Amplus, AM-9338 Series C-Band BUC and AM-2210

Series C-Band LNB and Prodolin 3.8 Meter Series
1383
Antenna System is offered.

Compliant

Outdoor unit is with Weather-Proof

Packaging, IP65.

Compliant

Pole structure is required to the ODU. To be providedd

by GPC

Compliant

Compliant

Offered Model DMD-20 works only in

PAMA Mode.

a.) noted
b.) Compliant with proposed
alternative and accepted by
ONGC

The skylink 8000 series are End of life product, hence

we have proposed the DMD20 of Radyne. Same was
approved by ONGC.

19

C-Band
Network
Shall
contain
required number of Voice & Data Channel (modem) units along with required under
interface.

complied

a.) noted
b.) Compliant with proposed
Compliance
alternative and accepted by
ONGC

20

Modulation, Coding rates etc. shall be as per base modems.

Complied

Compliant

21

Antenna

22

The antenna shall be designed through precision aluminum/polyester flass reflector assembly. The Complied
antenna should be equipped with Prime-Focal/Offset/Cassegrain feed. The feed should support 2 or
4 port OMTs. The antenna should be fully motorized control with antenna control unit. The antenna
should have hand crank provision for both azimuth and elevation axis with suitable adapter and
compass. The antenna shall provide exceptional pattern and gain performance without the need for
frequent reflector alignment. It shall meet mandatory requirement of ITU-R 580-4.

Compliant

2 port OMTs

23
24

Technical Specification of Antenna (Recommended Make : Andrew, Viasat)

Effective Aperture
3.8M / 4.5M

Complied

Compliant

Antenna make Prodelin 3.8 meter

3.8 meter

25

Operating Frequency

5.925 to 6.425 GHz

Complied

26

C-Band
Transmit:
C-Band

27

Gain

3.7 to 4.2 GHz

3.8 mtrs 4.5 mtrs

Complied

Receive:

28

Transmit

46.0dBi

46.7 dBi

Complied

Complied for 3.8 Meter

Compliant

29

Receive

42.1dBi

43.4 dBi

Complied

Complied for 3.8 Meter

Compliant

Sr. No.

Specification

TRANSAS
Compliance

Remarks

Series 1383, 3.8Mtr Prodelin Make

Antenna is offered

The skylink
8000 series are End of life product, hence
NELCO
we have proposed the DMD20 of Radyne. Same was
Remarks
approved by ONGC.

Compliant
Compliant

30

Polarization

Linear & Circular

Complied

Compliant

Linear

31

Polarization Discrimination

>30dB

Complied

Compliant

Better 27dB

32

Radiation Pattern

as per ITUR 580-4

Complied

Compliant

33

VSWR

1.3 : 1

Complied

Compliant

34

Tx/Rx Isolation

30dB or better

Complied

Compliant

35

Feed Type

Prime Focus Offset

Complied

Compliant

36

Feed interface

Receive: CPR-229

Complied

Compliant

Transmit: N-type

Complied

Compliant

37
38

Mount Type

EL over AZ motorized

Complied

Compliant

39

Azimuth adjustment

360 deg. (continuous)

Complied

Partially compliant

the 360 degree is achievable without motor. With motor

it can go upto 60 degree which will be adequate with
proper alignment of antenna as per satellite heading.

40

Elevation adjustment

0 to 90 deg. (continuous fine adjustment)

Complied

Partially compliant

12 degree to 90 degree to 15 degree for Polar

Latitudes which will sufficient for use by antenna in
India. (In India Elevation requirement is 60 dgree to 90
degree)

41

Reflector Material

Glass Fiber reinforced Polyester

Complied

Compliant

42

Mounting Base

Suitable for floor mounting. The base shall be either

Complied

Compliant

43
44
45

Mounting Hardware
Motors
Wind Speed

as required
Microprocessor based step-track system with synthesized
Survival: 150 Km/hr in any position of operation

Complied
Complied
Complied

Compliant
Compliant
Compliant

Sr. No.
46
47

Specification
Wind Speed
C-Band Network
Atmospheric Condition

TRANSAS
Compliance

Operational: 80km/hr. gusting to 100km/hr

As encountered in corrosive coastal areas.

NELCO
Remarks

Compliance

Complied
Complied

Compliant
Compliant

48
49

Technical Specification of Antenna Control Unit (Optional)

Microprocessor based

Complied

Compliant

50

Stores up to 60 satellite positions

Complied

Compliant

51

Multiple satellite tracking modes

Complied

Compliant

52

AZ, EL and Polarizer control

Complied

Compliant

53

Menu driven front panel control, including alarms

Complied

Compliant

54

Improved Step track tracking mode

Complied

Compliant

55

Display

LCD/ LED

Complied

Compliant

56

Remote Control Interface

RS-422/RS-232

Complied

Compliant

57

Beacon Level Input

2 inputs, 0-6V, 0-12V, 3V, 12V

Complied

a.) noted
b.) Compliant with proposed
alternative and accepted by
ONGC

58

Power Requirements

230 VAC, 50 Hz

Complied

Compliant

59

Operating Temperature

0 to 50 deg. C

Complied

Compliant

60

Humidity
0 to 95% non-condensing
Technical Specification of 100W SOLID STATE POWER AMPLIFIER (SSPA) [Recommended
Make: ITT Locus, Advantech]

Complied

Compliant

61

Remarks

with manual step track

Beacon receiver is the optional item which is not the

part of the requirement. Same is accepted by ONGC.
Reference - Letter no SSCP-1381-GLND-IN-REQ-002
Addl Comment dated- 18 Sep. 2015

62

Solid State Power Amplifier (SSPA) shall offer high performance and reliability for satellite uplink
applications. The power amplifier shall provide superior linearity and gain stability required for earth
station performance and should be 19rack mountable.

Partially compliant

We have has proposed the BUC and LNB instead of

SSPA/LNA. The BUC / LNB will meet all the functional
requirement as compared to SSPA/ LNA. Also the
ONGCis using the BUC/ LNB combination for their
existing projectsHowever the BUC is the outdoor unit
and will not be installed in the 19" Cabinet 42U.

63

The performance shall be for multi-carrier applications with complete monitor and control features. It
shall have front panel keys and LCD panel for local programming and monitoring with 1:1 hot standby
redundant system with switchover unit.

Partially compliant

The BUC do not have the LCD panel. Need to be used

with M & C Software for local programming and
monitoring

64

Operating frequency range : 5.850 6.425 GHz

Compliant

65

Power Output : 100W (+50 dBm)

Compliant

66

Input RF Interface : N-type female

Compliant

67

Output RF Interface : Waveguide Flange as required

Compliant

68

Input VSWR : 1.3:1

Noted

The BUC available in the market comes with 1.5:1

VSWR as per the current trend in the Industry.
However we have offerd VSWR 1.43:1 which is best
option available in the market (from Comtech EF Data).

69

Output VSWR : 1.3:1

Compliant

better 1.25:1

Sr. No.

Specification

TRANSAS
Compliance

70
71
72
73
74
75
76
77
78
79

C-Band
Gain
: 70Network
+/- 10 dB
Gain Flatness : +0.75
Gain Slope : +/- 0.3 dB/40MHz
Gain Adjustment range : 20 dB (min)
Intermodulation distortion(3rd order) : -40 dBc (10 dB below rated P1 dB)
AM/PM conversion (@P1 dB) : 20/dB
Spurious (@P1 dB) : -60 dBc
Harmonics (@P1 dB) : -40 dBc
Noise Figure : 10 dB
User Interface : Front Panel LCD

80

Technical Specifications of Up/Down Converter[Recommended Make & Model: Comtech,

Model: UT-450X & DT-450X]

81

The Up/Down converter are used with DAMA/SCPC and Variable Rate Digital Modems. The
converter should have broad spectrum of frequency stability in wide band transmit/ receive mode,
high performance, extended reliability and continuous duty in satellite transmit/receive earth stations.
The unit shall be compatible for interfacing with IESS 308/309, QPSK/BPSK SCPC DAMA Modems
and other related equipment. The units shall have hot standby redundant switchover unit.

82

The system shall have following features

- Superior stability and spectral purity
- Convenient front panel parameter selection through keypad
- Integrated monitor and control facilities with LCD display
- Remote monitoring facility through RS232/RS485 or relevant interface
- Alarm indicator
- Wide AGC range
- 19rack mountable

83

RF Characteristic (Output)
Frequency Range : 5.925 6.425 GHzGain : 30 dB
Impedance : 50 Ohms, Unbalanced (Type-N)
Return loss : 20 dB

84

IF Characteristic (Input)
Frequency Range : 70 +/- 18 MHz
Levels : -50 to 0 dBm
Impedance : 75 Ohms, Unbalanced (BNC)
Return loss : 23 dB

85

RF Characteristic (Input)
Frequency Range : 3.7 to 4.2 GHz
Levels : -90 to -50 dBm
Impedance : 50 Ohms, Unbalanced (Type-N)
Return loss : 20 dB

NELCO
Remarks

Compliance
Compliant
Compliant
Compliant
Compliant
Compliant
Compliant
Compliant
Compliant
Compliant
Partially compliant

a. Noted
b. Alternate BUC/LNB solution
complies with system
functionality

Remarks

Better -30 dBc

The BUC do not have the LCD panel. Need to be used

M & C Software for local programming and monitoring
using maintenance laptop.

We have has proposed the BUC and LNB instead of

SSPA as BUC / LNB is the newest technology which
offers all the functional requirement of SSPA/ LNA in a
single Unit. It also capable of up and down conversion
and amplication. The ONGC is already using the BUC/
LNB combination for their existing project sites.

Sr. No.

Specification

TRANSAS
Compliance

86

C-Band
Network(Output)
IF
Characteristic
Frequency Range : 70 +/- 18 MHz
Gain : 50 dBImpedance : 75 Ohms, Unbalanced (BNC)
Return loss : 23 dB

87

OthersGain Slope : 0.05 dB/ 1 MHz

Gain Stability : +/- 0.25 dB/day
AM/PM Conversion : 0.10/dB
Image Rejection : better than 80 dB

88

Group delay response

Linear : +/- 0.03 Ns/MHz
Parabolic : 0.01 Ns/MHz
Ripple : 1 Ns peak-to-peak
Phase Noise : 100 Hz -80 dBc/Hz
1 KHz -89 dBc/Hz
10 KHz -105 dBc/Hz
100KHz -120 dBc/Hz

89
90
91
92
93

Spurious : -80 dBm(non-carrier)

Synthesiser Step size : 125 KHz
Tuning : Tunable over entire frequency range of C band
Frequency Stability : +/- 1 x 10-8 for 0 to 50 deg C
Technical Specifications of Low Noise Amplifier (LNA) [Recommended Make: ITT Locus]

94

The uncooled amplifier (LNA) for C-Band operation shall be provided with hot standby redundant
configuration with changeover switch.

95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110

Frequency Range : 3.625 to 4.200 GHz

Noise Temperature : 300 K
Gain : 60 dB min
Gain Ripple across band : +/- 0.5 dB max
Gain stability : +/- 0.2 dB/month
Group delay (per 40 MHz segment)
Linear : +/- 0.01 Ns/MHz max
Parabolic : +/- 0.001 Ns/MHz max
Ripple : 0.1 Ns peak-to-peak max
AM/PM Conversion : 0.030/dB max @ -10 dBm o/p
Power output : + 10 dBm min@ 1 dB compression
Third order intercept : +22 dBm measured with two tone input @ -65 dBm Point
VSWR : 1.25:1 max
Input Connector : CPR 229G
Output Connector : N-type Female (50 Ohms)
Technical Specifications of Combiner/Divider [Recommended Make: Mini Circuits]

NELCO
Remarks

Compliance

a. Noted
b. Alternative BUC/LNB
solution comlies with system
functionality

Remarks

We have proposed the BUC and LNB instead of SSPA

as BUC / LNB is the newest technology which offers all
the functional requirement of SSPA/ LNA in a single
Unit. It also capable of up and down conversion and
amplication. The ONGC is already using the BUC/ LNB
combination for their existing project sites.

Sr. No.

Specification

TRANSAS
Compliance

111

C-Band
Network
IF
Rack Combiner/DividerOperating
frequency : 52 to 88 MHzInput/Output Impedance : 75 Ohms,
Unbalanced/ BNC FemaleNo. of Input/Output ports : As requiredInsertion Loss : 1.3 dB max

112

RF Rack Combiner/Divider
Operating frequency : 6/4 GHz
Input/Output Impedance : 75 Ohms, Unbalanced/ BNC Female
No. of Input/Output ports : As required
Insertion Loss : 2.0 dB max

113
114
115

Cables & Accessories

Waveguide Cables
6-GHz Elliptical Waveguide
The cables should have guaranteed VSWR performance. Low loss, low signal distortion. The cables
shall withstand rigorous temperature of 0 to 55 deg C. All the cables should have pre-tuned and fixedtuned premium connector providing low VSWR performance. The flanges/ connectors should match
the end connection requirements. The cables shall be Andrews EWP 63-59 or equivalent.

NELCO
Remarks

Compliance

Remarks

The proposed solution work on L-band. Hence we will

a.) Noted
provide the L band splitter / combiner. This is also
b.) Alternate solution proposed
being used by ONGC in their sites.

The proposed solution haves Out door Unit which

a.) Noted
requires flexible wave guide. The same meets the
b.) Alternate solution proposed functional performace criteria. This is also being used
by ONGC in their sites.

116
117

4 GHz 7/8 foam-dielectric LDF cable

The cables should have guaranteed VSWR performance. Low loss, low signal distortion. The cables
shall withstand rigorous temperature of 0 to 55 deg C. All the cables should have pre-fabricated
premium connector providing low VSWR performance. The cables shall be Andrews LDF5RN-50A7A or equivalent.

118
119

IFL Cable
The cables should have guaranteed VSWR performance. Low loss, low signal distortion. The cables
shall withstand rigorous temperature of 0 to 55 deg C. All the cables should have pre-fabricated
premium connector providing low VSWR performance.

120
121
122
123

DATA/ VF cables
The Data/ VF cables shall be of high quality, low loss and screened.
Technical Specification of Oudoor Unit (ODU) [Recommended Make: Codan 5700]
The outdoor unit shall be compact, weatherproof integrated RF package suitable for mounting on the
antenna. It shall contain RF Amplifier, RF Transceiver (Up/Down Converter) and Low Noise Amplifier
(LNA). The RF unit should be high stability and low phase noise. Phase noise characteristic shall
meet the mandatory specifications of INSAT/INTESAT or IESS 308/309.

124

The system shall provide automatic level control for maintaining the output power of the amplifier
within +/- 1 dB across any 36 MHz band in order to maintain the EIRP level variations caused by inter
facility link.

Compliant

125

Proper isolation shall be provided to limit the the leak of transmit power into the LNA (TransmitReject
Filter-TRF) All operating functions should be controlled and monitored via the serial interface. The
operating configuration is stored in EEPROM to ensure the setup parameters are restored in the
event of a power failure.

Compliant

Compliant

Compliant
Compliant

Sr. No.

Specification

TRANSAS
Compliance

NELCO
Remarks

Compliance

126

C-Band
Network
Shall
support
universal interface compatibility capable of operating with dumb terminals, laptop/PC
emulating terminals, hand-held terminals and personal organisers without requiring proprietary
software. The versatile configuration options support: contact closure, RS232, RS422 and RS485 (2
or 4 wire)

Compliant

127

A redundancy switching system should be available to provide an automatic changeover to a second

transceiver to maximise link availability and minimise any disruption to service. This system is fully
outdoor mounted, but Redundant System Monitor should be indoor to provide indoor monitor and
control.

Compliant

128

Transmit Portion:

Remarks

The proposed solution work on L-band. Hence L band

a.) Noted
splitter / combiner is provided which meets all the
b.) Alternate solution proposed functional requirement. This configuration is already in
use by ONGC at their sites.

129

Receive Portion

130

LNA Specification

131
132
133
134
135
136
137
138

Transit Rejection Filter (TRF) Specifications:

Insertion loss : 0.05 dB {max) or better
Rejection : 55 dB (min) or better
General:
Primary Power Supply : 230 V, 50 Hz, Single phase
Ambient temperature range : -40C to +55C
Relative humidity : 100%
The following monitoring and control of the ODE functions as minimum shall be available. This shall
be through optional handheld terminal or remotely through a terminal connected over RS232/RS422ODE transmit power ON/OFF-Transmit level control-Transmit frequency control-LNA, SSPA failureCurrent ststus of ODE alarm

Compliant
Compliant
Compliant
Compliant
Compliant
Compliant
Compliant
Compliant

139

IFL cables/ waveguides and other cables as required by the system shall be provided with end
connectors/Flanges. One handheld terminal shall be made available for local programming of the
ODU terminal.

Noted

140
141
142

LNA/LNB shall be mounted on the antenna feed itself.

Technical Specification of Indoor Unit/Electronics (IDU/IDE)
The IDU shall consists of interfaces for Control Channel Unit, Voice Channel Units and Data Channel
Units. The unit shall be housed in a 19 rack. The rack must be wired with required IF combiners/
dividers and connectors.

Compliant

143

Technical Specifications of Satellite Control Channels (Control Channel Unit) [Recommended

Make : Viasat]

144

MODULATION(BURST)
Modulation : BPSK/ QPSK as required by system
Operating frequency range : 70 +/- 18 MHz
Data Rate : 16 Kbps
Digital Interface : RS232 or EIA 530(V.11) via DB-25 connector
FEC : or
Output Power : -5 to -25 dBm
Data Clock Source : Internal or External, selectable

a.) Noted
b.) Compliant with proposed
alternative and accepted by
ONGC

M&C software along with cable will be provided for

programing the ODU terminal. Laptop supply is not
included

The skylink 8000 series are End of Life product; so we

have proposed the DMD20 of radyne. Same was
approved By ONGC. Reference - Letter no SSCP-1381GLND-IN-REQ-002 Addl Comment dated- 18 Sep.
2015

Sr. No.

Specification

TRANSAS
Compliance

145

C-Band Network (CONTINUOUS)

DEMODULATOR
Modulation : BPSK/ QPSK as required by system
Operating frequency range : 70 +/- 18 MHz
Data Rate : 16 Kbps
Digital Interface : RS232 or EIA 530(V.11) via DB-25 connector
Eb/No : 7.5 at 10-6 at 64 Kbps
Demodulator Input level : -30 to -50 dBm
Impedenace : 75 Ohms

146

Technical Specifications of Satellite Modem (Voice Channel Unit) [Recommended Make &
Model: Viasat, series 8000]

147

Technical Specifications of Satellite Modem (Data Channel Unit) [Recommended Make &
Model: Radyne DMD2401/DMD20, Comtech EF Data]

148

IF frequency range : 70 +/- 18 MHz

149
150
151
152
153
154
155
156
157
158
159
160
161
162
163

Step size : 1 Hz
Modulation : BPSK/ QPSK/ 8 PSK programmable
Digital Interface : V.35, RS 422/449 selectable
Date Rate : 9.6 2048 Kbps prgrammable in 1 BPS step
FEC : or Scrambling/De-scrambling : V.35 or none
Eb/No : 7.2 at 10-7
Spurious : -55 dBc at 4 KHz bandwidth from 2 to 200 MHz
Phase Noise : Shall meet IESS 308/309
Doppler Buffer : 1-32 ms
Frequency Stability : 2 x 10-4
Data Clock Source : Internal or External, selectable
Demodulator Input level : -30 to -50 dBm
Signals & Monitored Parameters:
Tx & Rx frequency, Tx ON/OF frequency, Data Rate, Scrambling ON/OFF, Bit Error Rate, Tx/Rx
clock
source,
Receive signal
operating
mode.
Technical
Specifications
oflevel,
Multiplexer
[Recommended
Make: RAD, Model: 2100]

164
165

Ku Band Network

Remarks

a.) Noted
Compliance
b.) Compliant
with proposed
alternative and accepted by
ONGC

The skylink
8000 series are End of Life product; so we
NELCO
have proposed the DMD20
of radyne. Same was
Remarks
approved By ONGC. Reference - Letter no SSCP-1381GLND-IN-REQ-002 Addl Comment dated- 18 Sep.
2015

a.) Noted
b.) Compliant with proposed
alternative and accepted by
ONGC

The skylink 8000 series are End of Life product so we

are proposed the DMD20 of radyne. Same approved
By ONGC. Reference - Letter no SSCP-1381-GLND-INREQ-002 Addl Comment dated- 18 Sep. 2015

Noted

Tx & Rx frequency, Tx ON/OF frequency, Data Rate,

Scrambling ON/OFF, Bit Error Rate, Tx/Rx clock
source, Receive signal level, operating mode.

a.) Noted
b.) Compliant with proposed
alternative and accepted by
ONGC

We propose the FXS/ FXO based VOIP soltuion

instead of RAD. This meets all the functional
requirement of ONGC. Same has been approved by
ONGC.Reference- Document no SSCP-1381-GLND-INREQ-002 Addl Comment . Dated - 18 Sep 2015

Sr. No.

Specification

TRANSAS
Compliance

NELCO
Remarks

Compliance

166

C-Band
Network
The
Ku-band
satellite communication network is being operated using transponder #12 of NSS-12
Complied
satellite at orbital slot 570 E of 31 MHz bandwidth in following frequency band: Uplink Frequency/
Polarization : 14007 - 14038 MHz / Lin. Horizontal Downlink Frequency Polarization : 12259 - 12290
MHz / Lin. Vertical.

Ku-Band Remote compatible for operation with existing Compliant

satellite is offered.

167

Satellite Transponder hired from M/s. Antrix Corporation, Bangalore

Complied

Provision of Satellite bandwidth will be customer's

scope. Only Hardware to operate on Hired Satellite
Transponder will be provided.

168

Far end is using "Viasat" make Linkway-S2 solution. Its primary Hub is located at Mumbai with 1+1
baseband configuration and secondary hub at Chennai with a 1:0 baseband co nfiguration.

Complied

LinkWay-S2 Solution fully compatible with existing Hub Compliant

is offered.

169

Technical Specification of Antenna

170
171

Feed : Offset or Prime focus

Dish Size : 2.4 Mtrs

Complied
Complied

172

Operating Frequency : Transmit: 14.00 to 14.5 GHz Receive: 10.95 to 12.75GHz

Complied

Compliant

173

Mid band gain : Transmit: 49.2 dBi Receive: 47.6 dBi

Complied

Compliant

174

Mount : EL-over-Az

Complied

Compliant

175

VSWR : 1.3:1

Complied

Compliant

176

Polarization : Linear

Complied

Compliant

177

Off axis radiation pattern : As per ITU-R.580-5 or latest

Complied

Compliant

178

Cross Polarization Isolation : Better than 30 db

Complied

Compliant

179

Azimuth Adjust range : 360 deg continuous

Complied

Compliant

180

Elevation Adjustment Range: 5 deg. To 90 deg. Continuous

Complied

Compliant

181

Wind Loading : Operational: Up to 80 Km/hr Survival: Upto 200 Km/hr

Complied

Compliant

182
183
184

Complied
Complied
Complied

Compliant
Compliant
Compliant

185

Reflector material : Glass Fiber reinforced Polyester SMC/precision aluminum

Atmospheric condition: Salt, Pollutants & Contaminants as encountered in Coastal area.
Mounting : Suitable for Ground/Floor/Rooftop mounting
Technical Specification of Outdoor Unit (ODU) - Ku-Band

186

Transmit

187

RF Output Freq. range : 13.75 to 14.50GHz

188

Remarks

Compliant

Prodelin Series 1251 Ku-Band Antenna is offered.

Prime Focus Offset Feed

Compliant
Compliant

Complied

Amplus, AM-9341 Series Ku-Band BUC

is offered

Compliant

Power Output : 16 W or more

Complied

16W (42dBm minimum)

Compliant

189

Frequency Selection : Synthesized

Complied

190

IF Input Frequency range : 70 +-18 MHz or 140+-36 MHZ or L-Band or as per IDU requirement

Complied

L-Band Output is offered as per Modem requirement

Compliant

L- Band - 950 1750 MHz

191

Gain : >=71 dB Nominal (SSPA + up converter)

Complied

71 dB Minimum

Noted

75dB

192

Attenuator range : 20dB in 1 dB Steps

Complied

Compliant

193

Complied

Compliant

194

Phase Noise : As per IESS 308/309 or Better

Receive

195

Receive Frequency : 10.95-12.75 GHz

Complied

Compliant

Through LNB

196

Frequency Selection : Synthesized

Complied

Compliant

Based on LNB

Compliant

Amplue, AM2210 Series KU Band LNB

is offered

Sr. No.

Specification

TRANSAS
Compliance

NELCO
Remarks

Compliance

197

C-Band
IF
outputNetwork
Frequency range : L-Band or as per IDU requirement

Complied

198

(900 MHz To 1750) MHz

Complied

199

Gain : >=35dB nominal

Complied

Compliant

200

Complied

Compliant

201

Phase Noise : As per IESS 308/309 or Better

LNA / LNB

202

Noise Temperature (LNA) : 35 degree K or better

Complied

Compliant

203

Noise Figure (LNB) : 1dB or better

Complied

204

Gain (LNA/LNB) : 60dB or better

Complied

Compliant

205

Complied

Compliant

206

RF Input interference : WR-75G

SSPA

207

Power Output (at 1 dB compression point) : 16 W or more (required for 2.0 Mbps data throughput)

Complied

Compliant

208

Complied

Compliant

209

Spurious Emissions : As per ITU-R S.726.1

Transmit Reject Filter (TRF)

210

Pass Band : 10.95 to 12.75 GHz

Complied

Compliant

211

Insertion loss : <-0.4 dB

Complied

Compliant

212

Reject band : 13.75 to 14.5 GHz

Complied

Compliant

213

Complied

Compliant

214

Rejection : <=55dB
General

215

Frequency Stability : Better than 1 x 10-8

Complied

Compliant

216

M& C interface : RS232C

Complied

Compliant

217

Input power supply : 50/60 Hz, 115/230 VAC

Complied

Compliant

218

Temperature : 0 to 55 deg.C

Complied

Compliant

219

Humidity : Upto 100% RH

Complied

Compliant

220

Complied

Compliant

221

Accessories : Mounting Kit Transmit Reject Filter Remote Control panel Hand held Terminal Fire
retardant
low loss Cable
TechnicalRF
Specification
of Indoor Unit (Modem)

222

Modulation : QPSK or better

Complied

Compliant

223

Modem Data rate : 128Kbps - 2 Mbps

Complied

Compliant

224

Committed Information Rate : 128/256/384 Kbps

Complied

Compliant

225

Bit error rate : 1 x 10-7

Complied

Compliant

226

FEC : Concatenated Viterbi and Reed-Solomon decoding of Turbo Coding

Complied

Compliant

227

FEC Code rate : / , % , 7/8 or better

Complied

Compliant

228

Complied

Compliant

229

Output/Input Frequency : L-band

Technical Specifications of Voice over IP (VoIP)

230

FXO (to be installed at base) Ports : 16 Ports

Bidder's Scope

231

E&M : 2wire /4 Wire

Bidder's Scope

232

FXS (to be installed at remote)

Bidder's Scope

233

Ports : 16 Ports

Bidder's Scope

234

E&M : 2wire /4 Wire

Bidder's Scope

235

VOIP Gateway FXS 8 Port-HiPath 3550 with HG 1500-08 port FXS Card

Bidder's Scope

236

License: License for adding the traffic terminal (Modem) in the NMS/HUB from OEM M/S Viasat.
(Two nos. - one for 11 High and one for Chennai).
Complied

L-Band Output is offered as per Modem

requirement

LNB is offered

Remarks

Compliant

L- Band - 950 1750 MHz

Compliant

Based on LNB

Compliant

ViaSat's LinkWay-S2 Modem is offered

Compliant

8 ports x 2 Nos.

Compliant

8 ports x 2 Nos.

Compliant

This requirement is not the part of proposed solution as

same is achievable with FXO/ FXS gateway. The use
of FXO/FXS gateway is acceptable to ONGC and
already being used at their sites.

NMS License for adding 1 Terminal at 11High and One Compliant

at Chennai will be provided.