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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]

1349 267480

Authenticated NMA Status
NMAS TEST CID 3 CPKS NOMINAL
Tesla Chain in Force
PKID 1 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 1 NPKT ECDSA_P256 MID 0

OSNMA Tag Verification Inputs

Satellites in View 12
01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 18 19 20 21 22 23 24 25 26 27 29 30 31 33 34 36
Satellites Transmitting OSNMA 6
01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 18 19 20 21 22 23 24 25 26 27 29 30 31 33 34 36
SVID 4
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10

Tags 0414 06F15 0415 12F15 0414 0914
Key c1eec2d545aa24f0dfe4c63d693bbf6d
SVID 5
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10

Tags 0514 24F15 0515 09F14 0514 2515
Key c1eec2d545aa24f0dfe4c63d693bbf6d
SVID 6
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 Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 13
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10

Tags 1314 23F15 1315 27F15 1314 3314
Key c1eec2d545aa24f0dfe4c63d693bbf6d
SVID 18
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10

Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 21
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10

Tags 2114 23F15 2115 27F15 2114 3314
Key c1eec2d545aa24f0dfe4c63d693bbf6d
SVID 23
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10

Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 24
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 2614 23F15 2615 33F14 2614 2715
Key c1eec2d545aa24f0dfe4c63d693bbf6d
SVID 31
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10

Tags 3114 09F14 3115 23F15 3114 2415
Key c1eec2d545aa24f0dfe4c63d693bbf6d
SVID 33
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10

Tags Not transmitting OSNMA
Key Not transmitting OSNMA

Authenticated Data

01 - - -
- - -
- - -
02 0000010011 1349 241170 600 bits
N/A 1349 241140 6400 bits
0000010011 1349 241170 600 bits
03 0001111100 1349 227640 240 bits
N/A 1349 227640 5080 bits
0001111100 1349 227670 280 bits
04 0000111111 1349 267450 520 bits
N/A 1349 267420 1120 bits
0000111111 1349 267150 120 bits
05 0000111111 1349 267450 520 bits
N/A 1349 267420 2760 bits
0000111111 1349 267150 120 bits
06 0000111110 1349 267450 3880 bits
N/A 1349 266640 3840 bits
0000111110 1349 267150 920 bits
07 0000011101 1349 247230 760 bits
N/A 1349 247200 12480 bits
0000011101 1349 247230 720 bits
08 0000001101 1349 237360 360 bits
N/A 1349 237300 7720 bits
0000001101 1349 237330 320 bits
09 0000111111 1349 267450 1720 bits
N/A 1349 267060 3960 bits
0000111111 1349 267150 80 bits
10 0000100010 1349 249990 440 bits
N/A 1349 249960 3880 bits
0000100010 1349 249990 440 bits
11 0000100001 1349 252330 4560 bits
N/A 1349 249480 3040 bits
0000100001 1349 249930 760 bits
12 0000011011 1349 249690 5960 bits
N/A 1349 245700 3600 bits
0000011011 1349 249690 1160 bits
13 0000111111 1349 267450 520 bits
N/A 1349 267420 3920 bits
0000111111 1349 267150 120 bits
14 - - -
- - -
- - -
15 0000111000 1349 264990 5280 bits
N/A 1349 262800 1960 bits
0000111000 1349 264990 1160 bits
16 0000000000 1349 233490 10760 bits
N/A 1349 228360 1400 bits
0000000000 1349 232710 2120 bits
18 - - -
- - -
- - -
19 0000110011 1349 263850 5520 bits
N/A 1349 259860 11640 bits
0000110011 1349 260850 680 bits
20 - - -
- - -
- - -
21 0000111111 1349 267450 520 bits
N/A 1349 267420 3560 bits
0000111111 1349 267150 120 bits
22 - - -
- - -
- - -
23 0000111001 1349 267450 22080 bits
N/A 1349 263700 280 bits
0000111001 1349 267150 6560 bits
24 0000111110 1349 267450 2280 bits
N/A 1349 266880 1560 bits
0000111110 1349 267150 760 bits
25 0000000111 1349 237210 9000 bits
N/A 1349 232680 2040 bits
0000000111 1349 237210 2040 bits
26 0000111111 1349 267450 520 bits
N/A 1349 267420 4160 bits
0000111111 1349 267150 120 bits
27 0000101111 1349 257670 280 bits
N/A 1349 257640 5440 bits
0000101111 1349 257670 280 bits
29 0000101100 1349 257370 2680 bits
N/A 1349 256020 13840 bits
0000101100 1349 257130 1120 bits
30 0000011110 1349 251100 4480 bits
N/A 1349 247320 5520 bits
0000011110 1349 250950 400 bits
31 0000111111 1349 267450 520 bits
N/A 1349 267420 2560 bits
0000111111 1349 267150 120 bits
33 0000111111 1349 267450 520 bits
N/A 1349 267420 1640 bits
0000111111 1349 267150 120 bits
34 0000101011 1349 259230 5920 bits
N/A 1349 255420 560 bits
0000101011 1349 255420 480 bits
36 0000100110 1349 255600 7080 bits
N/A 1349 252000 640 bits
0000100110 1349 254730 640 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 3 ADKD types are: ADKD0, ADKD4, and ADKD12.

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
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 (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