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]

1410 535800

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 11
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 9
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 7
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0715 33F15 0715 25F15 0715 0315
Key 617a569c22180964d9b25506c117d424
SVID 8
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0815 25F15 0815 03F15 0815 3315
Key 617a569c22180964d9b25506c117d424
SVID 10
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1015 11F15 1015 25F15 1015 0915
Key 617a569c22180964d9b25506c117d424
SVID 12
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1215 11F15 1215 33F15 1215 2515
Key 617a569c22180964d9b25506c117d424
SVID 16
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1615 25F15 1615 33F15 1615 1115
Key 617a569c22180964d9b25506c117d424
SVID 23
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2315 28F15 2315 21F15 2315 0615
Key 617a569c22180964d9b25506c117d424
SVID 25
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 26
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2615 33F15 2615 25F15 2615 2115
Key 617a569c22180964d9b25506c117d424
SVID 29
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2915 33F15 2915 21F15 2915 2815
Key 617a569c22180964d9b25506c117d424
SVID 31
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3115 33F15 3115 11F15 3115 2815
Key 617a569c22180964d9b25506c117d424
SVID 33
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA

Authenticated Data

02 0001000111 1410 504840 11360 bits
N/A 1410 500880 5040 bits
0001000111 1410 503250 3120 bits
03 0001111000 1410 530280 120 bits
N/A 1410 530220 2920 bits
0001111000 1410 530250 80 bits
04 0001100111 1410 519750 120 bits
N/A 1410 519720 320 bits
0001100111 1410 519720 80 bits
05 0001101110 1410 525270 1800 bits
N/A 1410 524340 2080 bits
0001101110 1410 524790 800 bits
06 0001101000 1410 521850 5520 bits
N/A 1410 520680 1080 bits
0001101000 1410 521550 1520 bits
07 0000000010 1410 535770 680 bits
N/A 1410 535740 4160 bits
0000000010 1410 535470 280 bits
08 0000000010 1410 535770 680 bits
N/A 1410 535740 5600 bits
0000000010 1410 535470 280 bits
09 0001101010 1410 524340 5680 bits
N/A 1410 521520 440 bits
0001101010 1410 522810 960 bits
10 0000000010 1410 535770 680 bits
N/A 1410 535740 1680 bits
0000000010 1410 535470 280 bits
11 0001000100 1410 502590 15080 bits
N/A 1410 498780 2160 bits
0001000100 1410 500910 1560 bits
12 0000000010 1410 535770 680 bits
N/A 1410 535740 4480 bits
0000000010 1410 535470 280 bits
13 0001111100 1410 532860 800 bits
N/A 1410 532860 4480 bits
0001111100 1410 532860 800 bits
14 - - -
- - -
- - -
15 0001101101 1410 523350 120 bits
N/A 1410 523320 1080 bits
0001101101 1410 523350 120 bits
16 0000000010 1410 535770 680 bits
N/A 1410 535740 1800 bits
0000000010 1410 535470 280 bits
18 - - -
- - -
- - -
19 0001100001 1410 516270 280 bits
N/A 1410 516180 6600 bits
0001100001 1410 516270 240 bits
21 0001110111 1410 529710 600 bits
N/A 1410 529680 6240 bits
0001110111 1410 529680 560 bits
23 0000000010 1410 535770 680 bits
N/A 1410 535740 5080 bits
0000000010 1410 535470 280 bits
25 0001111100 1410 535770 6600 bits
N/A 1410 493200 840 bits
0001111100 1410 535470 760 bits
26 0000000010 1410 535770 680 bits
N/A 1410 535740 8440 bits
0000000010 1410 535470 280 bits
27 0001101010 1410 521790 440 bits
N/A 1410 521760 1760 bits
0001101010 1410 521760 400 bits
28 0001100100 1410 521790 18080 bits
N/A 1410 517800 5240 bits
0001100100 1410 519810 680 bits
29 0000000010 1410 535770 680 bits
N/A 1410 535740 1040 bits
0000000010 1410 535470 280 bits
30 0001011011 1410 513060 600 bits
N/A 1410 512820 8520 bits
0001011011 1410 512820 480 bits
31 0000000010 1410 535770 680 bits
N/A 1410 535740 6960 bits
0000000010 1410 535470 280 bits
32 - - -
- - -
- - -
33 0001111100 1410 535770 23440 bits
N/A 1410 532440 5720 bits
0001111100 1410 535470 4880 bits
34 0001011010 1410 515850 10120 bits
N/A 1410 511980 2600 bits
0001011010 1410 515190 1920 bits
36 0001001110 1410 508980 10240 bits
N/A 1410 505020 4080 bits
0001001110 1410 506490 1960 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