Input Options:

OSNMAlib - Input: Septentrio Receiver @KULeuven

The purpose of this website is to provide an easy way of looking at the OSNMA related data transmitted by the Galileo satellites. It runs OSNMAlib in the background.

The last 12 OSNMA subframes processed by OSNMAlib are available in format at this [endpoint]. To understand the file, we also provide a [html|json].
The raw navigation data bits for the last 12 sub-frames are available at this [endpoint].

For more information about what is displayed in each field, take a look at the legend.

This board uses input from a Septentrio receiver located at the ESAT department of KU Leuven. You can expect to have a very clear open sky view, with satellites lower than 10 degrees of elevation.
Special thanks to Septentrio for the receiver and to Franco for the help setting the antenna up in the tower.


Last Subframe [GST]

1407 559410

Authenticated NMA Status
NMAS OPERATIONAL CID 1 CPKS NOMINAL
Tesla Chain in Force
PKID 2 HF SHA_256 MF HMAC_SHA_256
KS 128 TS 40 MACLT 34
MACLT Sequence [['00S', 'FLX', '04S', 'FLX', '12S', '00E'], ['00S', 'FLX', '00E', '12S', '00E', '12E']]
Public Key in Force
NPKID 2 NPKT ECDSA_P256 MID 1

OSNMA Tag Verification Inputs

Satellites in View 10
02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 18 19 21 23 25 26 27 28 29 30 31 32 33 34 36
Satellites Transmitting OSNMA 8
02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 18 19 21 23 25 26 27 28 29 30 31 32 33 34 36
SVID 3
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0305 25F15 0515 0305 0815 0515
Key 24715f984e49b87bfe28a8a79e853e7c
SVID 5
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 9
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0905 16F15 3115 0905 0615 3115
Key 24715f984e49b87bfe28a8a79e853e7c
SVID 13
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1305 31F15 0515 1305 0815 0515
Key 24715f984e49b87bfe28a8a79e853e7c
SVID 15
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1505 06F15 0515 1505 0815 0515
Key 24715f984e49b87bfe28a8a79e853e7c
SVID 23
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2305 05F15 0615 2305 3115 0615
Key 24715f984e49b87bfe28a8a79e853e7c
SVID 31
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 32
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3205 25F15 0815 3205 0215 0815
Key 24715f984e49b87bfe28a8a79e853e7c
SVID 34
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3405 16F15 0515 3405 0815 0515
Key 24715f984e49b87bfe28a8a79e853e7c
SVID 36
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3605 05F15 2515 3605 1615 2515
Key 24715f984e49b87bfe28a8a79e853e7c

Authenticated Data

02 0000011010 1407 549720 80 bits
N/A 1407 549720 9600 bits
0000011010 1407 549720 40 bits
03 0000101010 1407 559380 160 bits
N/A 1407 559380 4800 bits
0000101001 1407 559080 560 bits
04 0000100001 1407 557550 7960 bits
N/A 1407 554220 5040 bits
0000100001 1407 556410 2720 bits
05 0000100110 1407 559380 13440 bits
N/A 1407 557340 7240 bits
0000100110 1407 559050 3440 bits
06 0000100101 1407 559380 11720 bits
N/A 1407 556260 7600 bits
0000100101 1407 559050 2600 bits
07 0001111011 1407 535680 9080 bits
N/A 1407 531720 2600 bits
0001111011 1407 535470 1600 bits
08 0001110101 1407 532050 8200 bits
N/A 1407 527880 4240 bits
0001110101 1407 532050 2440 bits
09 0000101010 1407 559380 160 bits
N/A 1407 559380 9360 bits
0000101001 1407 559080 560 bits
10 0000011000 1407 548970 760 bits
N/A 1407 548640 8960 bits
0000011000 1407 548970 440 bits
11 0000011010 1407 553830 6480 bits
N/A 1407 550140 10760 bits
0000011010 1407 550170 680 bits
12 0000010000 1407 543840 240 bits
N/A 1407 543780 11760 bits
0000010000 1407 543810 120 bits
13 0000101010 1407 559380 160 bits
N/A 1407 559380 240 bits
0000101001 1407 559080 80 bits
14 - - -
- - -
- - -
15 0000101010 1407 559380 160 bits
N/A 1407 559380 5440 bits
0000101001 1407 559080 560 bits
16 0000001000 1407 539310 600 bits
N/A 1407 539280 4440 bits
0000001000 1407 539280 560 bits
18 - - -
- - -
- - -
19 0000010100 1407 546810 2200 bits
N/A 1407 546240 4960 bits
0000010100 1407 546810 960 bits
21 0000100111 1407 557490 40 bits
N/A 1407 557460 960 bits
0000100111 1407 557490 40 bits
23 0000101010 1407 559380 160 bits
N/A 1407 559380 1880 bits
0000101001 1407 559080 560 bits
25 0000010010 1407 548910 10960 bits
N/A 1407 544920 15240 bits
0000010010 1407 548910 4880 bits
26 0001110000 1407 525300 320 bits
N/A 1407 525240 3680 bits
0001110000 1407 525300 320 bits
27 0000100000 1407 557370 8040 bits
N/A 1407 553380 4240 bits
0000100000 1407 557370 2720 bits
28 0000011100 1407 550920 80 bits
N/A 1407 550860 5000 bits
0000011100 1407 550890 40 bits
29 0000001000 1407 539370 680 bits
N/A 1407 539340 4120 bits
0000001000 1407 539340 640 bits
30 0000011111 1407 552960 400 bits
N/A 1407 552960 3880 bits
0000011111 1407 552960 400 bits
31 0000101000 1407 559380 2640 bits
N/A 1407 531780 2680 bits
0000101000 1407 559050 40 bits
32 0000101010 1407 559380 160 bits
N/A 1407 559380 3400 bits
0000101001 1407 559080 560 bits
33 0001111101 1407 536070 9360 bits
N/A 1407 533040 3960 bits
0001111101 1407 535710 2880 bits
34 0000101010 1407 559380 160 bits
N/A 1407 559380 10520 bits
0000101001 1407 559080 560 bits
36 0000101010 1407 559380 160 bits
N/A 1407 559380 9800 bits
0000101001 1407 559080 560 bits

Legend

Colour Codes

In general, green means available, grey inactive and red missing. The difference between inactive and missing is if we were expecting that item or not.

Additionaly, each ADKD type is encoded using a different colour. The ADKD type is relevant both for the tag type and the authenticated data.
The 4 ADKD types are: ADKD0, ADKD2, ADKD4, and ADKD12.

A dummy tag (indicated by a COP value of 0) is represented using a stripped pattern on top of the ADKD colour. Dummy tags do not authenticate data.

Tag Verification Inputs

A satellite card is created for each satellite seen in the last 30 seconds subframe.
SVID
ADKD 0/12 Word Types for this ADKD
ADKD 4 Word Types for this ADKD
Tags PRN_DFLXCOP PRN_DFLXCOP PRN_DFLXCOP PRN_DFLXCOP
Key Tesla Key bits in hexadecimal

Global Authenticated Data

This section is static: it always shows all satellites defined in the European GNSS Service Centre, regardless if they are currently in view of the receiver or not.
However, note that some satellites may be not operational or may not authenticate their own navigation message (e.g. SVID 14 and 18).
For precise information, check the gsc-europa website.
SVID Nav Data IOD Last GST Authenticated Accumulated Tag bits
N/A Last GST Authenticated Accumulated Tag bits
Nav Data IOD Last GST Authenticated Accumulated Tag bits