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]

1377 63030

Authenticated NMA Status
NMAS OPERATIONAL CID 0 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 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
Satellites Transmitting OSNMA 3
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 Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 8
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 12
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 Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 18
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 23
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2310 12F15 3315 2310 2615 3315
Key 8f22c5415e9f98a230a5c0dad361d4ab
SVID 26
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2615 21F15 3315 2615 1315 3315
Key 8f22c5415e9f98a230a5c0dad361d4ab
SVID 31
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3115 10F15 3315 3115 2615 3315
Key 8f22c5415e9f98a230a5c0dad361d4ab
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 0000111000 1377 34410 200 bits
N/A 1377 34380 7560 bits
0000111000 1377 34380 160 bits
03 0000100110 1377 23580 160 bits
N/A 1377 23520 9600 bits
0000100110 1377 23550 120 bits
04 0001011101 1377 56520 80 bits
N/A 1377 56460 4360 bits
0001011101 1377 56490 40 bits
05 0001100101 1377 61710 600 bits
N/A 1377 61680 1680 bits
0001100101 1377 61710 600 bits
06 0001011111 1377 58260 520 bits
N/A 1377 58020 4160 bits
0001011111 1377 58020 480 bits
07 0001000010 1377 40560 400 bits
N/A 1377 40440 1320 bits
0001000010 1377 40530 320 bits
08 0001100111 1377 62850 520 bits
N/A 1377 62820 360 bits
0001100111 1377 62700 320 bits
09 0001100001 1377 59070 280 bits
N/A 1377 59040 6000 bits
0001100001 1377 59070 280 bits
10 0000111000 1377 34440 240 bits
N/A 1377 34440 2520 bits
0000111000 1377 34440 240 bits
11 0000110110 1377 33630 1040 bits
N/A 1376 598860 7920 bits
0001101011 1376 598830 560 bits
12 0001100111 1377 63000 720 bits
N/A 1377 62940 1240 bits
0001100111 1377 62700 320 bits
13 0001100111 1377 62850 520 bits
N/A 1377 62820 9040 bits
0001100111 1377 62700 320 bits
14 - - -
- - -
- - -
15 0001011100 1377 55950 120 bits
N/A 1377 55920 7640 bits
0001011100 1377 55920 80 bits
16 - - -
- - -
- - -
18 - - -
- - -
- - -
19 0001010110 1377 52290 40 bits
N/A 1377 52200 2480 bits
0001010101 1377 52200 720 bits
21 0001100111 1377 63000 680 bits
N/A 1377 62520 5720 bits
0001100111 1377 62550 120 bits
23 0001100111 1377 63000 360 bits
N/A 1377 63000 4520 bits
0001100001 1377 62550 3720 bits
25 0000100100 1377 26610 14040 bits
N/A 1377 22740 6800 bits
0000100100 1377 26610 720 bits
26 0001100100 1377 63000 9640 bits
N/A 1377 60960 6320 bits
0001100100 1377 62250 1280 bits
27 0001010010 1377 54240 15080 bits
N/A 1377 50280 2360 bits
0001010010 1377 54090 2560 bits
28 - - -
- - -
- - -
29 0001001101 1377 47250 520 bits
N/A 1377 47220 1800 bits
0001001101 1377 47250 520 bits
30 0001000101 1377 46110 20600 bits
N/A 1377 42120 3440 bits
0001000101 1377 45750 7840 bits
31 0001100111 1377 63000 720 bits
N/A 1377 63000 6080 bits
0001100111 1377 62700 320 bits
32 - - -
- - -
- - -
33 0001100010 1377 63000 13480 bits
N/A 1377 59580 2600 bits
0001100010 1377 62670 3320 bits
34 0001001110 1377 51870 12720 bits
N/A 1377 47760 2000 bits
0001001110 1377 51870 800 bits
36 0001000001 1377 40200 560 bits
N/A 1377 40140 1760 bits
0001000001 1377 40230 600 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