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]

1399 503460

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 5
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 2
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 7
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0715 29F15 0715 02F15 0715 3015
Key 21e22f7cfbd4593586f763ca5bd61477
SVID 8
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0811 02F15 0815 30F15 0811 2715
Key 21e22f7cfbd4593586f763ca5bd61477
SVID 14
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1400 30F15 1400 02F15 1400 0515
Key 21e22f7cfbd4593586f763ca5bd61477
SVID 25
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2515 10F15 2515 16F15 2515 0215
Key 21e22f7cfbd4593586f763ca5bd61477
SVID 26
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 27
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 29
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 30
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 Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 33
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3309 29F15 3315 26F15 3309 1915
Key 21e22f7cfbd4593586f763ca5bd61477

Authenticated Data

02 0001001011 1399 503430 2120 bits
N/A 1399 502800 6400 bits
0001001011 1399 503130 200 bits
03 0001001011 1399 503220 440 bits
N/A 1399 503100 9720 bits
0001001011 1399 503100 320 bits
04 0001110000 1399 376710 7800 bits
N/A 1399 368760 80 bits
0001110000 1399 373050 40 bits
05 0000111010 1399 494280 2480 bits
N/A 1399 492720 3760 bits
0000111010 1399 492990 280 bits
06 0000100010 1399 480930 4960 bits
N/A 1399 478560 1000 bits
0000100010 1399 480930 1880 bits
07 0001001011 1399 503430 760 bits
N/A 1399 503400 7240 bits
0001001011 1399 503130 360 bits
08 0001001011 1399 503430 400 bits
N/A 1399 503400 8520 bits
0001000101 1399 503130 4960 bits
09 0000100111 1399 484020 2400 bits
N/A 1399 481440 1200 bits
0000100111 1399 481470 280 bits
10 0000010001 1399 468150 40 bits
N/A 1399 468120 6440 bits
0000010001 1399 468150 80 bits
11 0000011010 1399 474690 760 bits
N/A 1399 473520 5440 bits
0000011010 1399 473520 80 bits
12 0000000100 1399 464160 7960 bits
N/A 1399 460320 5640 bits
0000000100 1399 462810 1960 bits
13 0001001011 1399 502920 80 bits
N/A 1399 502920 9640 bits
0001001011 1399 502920 80 bits
14 - - -
- - -
- - -
15 0000111001 1399 496230 14640 bits
N/A 1399 492360 4440 bits
0000111001 1399 494730 2600 bits
16 0001000000 1399 499350 14680 bits
N/A 1399 496320 3240 bits
0001000000 1399 499170 1800 bits
18 - - -
- - -
- - -
19 0000010000 1399 471450 9560 bits
N/A 1399 463020 1720 bits
0000010000 1399 471210 2760 bits
21 0000101010 1399 483240 240 bits
N/A 1399 483180 880 bits
0000101010 1399 483210 200 bits
23 0000100111 1399 488670 10560 bits
N/A 1399 442560 5280 bits
0000100111 1399 488670 2480 bits
25 0001001011 1399 503430 760 bits
N/A 1399 503400 5800 bits
0001001011 1399 503130 360 bits
26 0001001011 1399 503430 800 bits
N/A 1399 502980 7560 bits
0001001011 1399 503010 200 bits
27 0001001011 1399 503400 200 bits
N/A 1399 479940 320 bits
0000100100 1399 479970 680 bits
28 0000010110 1399 475230 3280 bits
N/A 1399 471180 4400 bits
0000010110 1399 471210 200 bits
29 0001001011 1399 503430 1080 bits
N/A 1399 502920 2120 bits
0001001011 1399 503010 160 bits
30 0001001011 1399 503430 1080 bits
N/A 1399 503040 2840 bits
0001001011 1399 503070 280 bits
31 0000101011 1399 488820 10200 bits
N/A 1399 449880 4720 bits
0000101011 1399 485670 160 bits
32 - - -
- - -
- - -
33 0001001011 1399 503430 320 bits
N/A 1399 503400 1720 bits
0001000100 1399 503130 6880 bits
34 0000110011 1399 492870 10200 bits
N/A 1399 488880 4200 bits
0000110011 1399 492870 2440 bits
36 0000100101 1399 483900 5760 bits
N/A 1399 480480 680 bits
0000100101 1399 480510 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.

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
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