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]

1411 97440

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 12
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 6
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 0206 30F15 0215 25F15 0206 1515
Key 2716eafa10f35f67c84064da2ac5a5a6
SVID 4
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 6
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 10
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1006 28F15 1015 12F15 1006 0415
Key 2716eafa10f35f67c84064da2ac5a5a6
SVID 11
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1106 28F15 1115 04F15 1106 1215
Key 2716eafa10f35f67c84064da2ac5a5a6
SVID 12
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 19
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1906 28F15 1915 12F15 1906 2915
Key 2716eafa10f35f67c84064da2ac5a5a6
SVID 25
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 28
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 34
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3406 15F15 3415 25F15 3406 0815
Key 2716eafa10f35f67c84064da2ac5a5a6
SVID 36
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3606 25F15 3615 30F15 3606 2815
Key 2716eafa10f35f67c84064da2ac5a5a6

Authenticated Data

02 0000100010 1411 97410 200 bits
N/A 1411 97380 6200 bits
0000100001 1411 97110 600 bits
03 0000010000 1411 86670 280 bits
N/A 1411 86640 6000 bits
0000010000 1411 86670 280 bits
04 0000100000 1411 97410 4600 bits
N/A 1411 96300 760 bits
0000100000 1411 96330 360 bits
05 0000001011 1411 83520 80 bits
N/A 1411 83460 9560 bits
0000001011 1411 83520 80 bits
06 0000100010 1411 97410 200 bits
N/A 1411 97380 640 bits
0000100001 1411 97110 600 bits
07 0000010111 1411 91080 560 bits
N/A 1411 91020 1760 bits
0000011000 1411 91560 40 bits
08 0000010100 1411 92850 9040 bits
N/A 1411 89100 1360 bits
0000010100 1411 91470 3000 bits
09 0000000001 1411 81690 7440 bits
N/A 1411 77700 7400 bits
0000000001 1411 81690 760 bits
10 0000100010 1411 97410 200 bits
N/A 1411 97380 4760 bits
0000100001 1411 97110 600 bits
11 0000100010 1411 97410 200 bits
N/A 1411 97380 5360 bits
0000100001 1411 97110 600 bits
12 0000011110 1411 97410 13600 bits
N/A 1411 95280 1720 bits
0000011110 1411 97110 3920 bits
13 0001111010 1411 74160 360 bits
N/A 1411 74160 5960 bits
0001111010 1411 74130 320 bits
14 - - -
- - -
- - -
15 0001101101 1411 69600 9520 bits
N/A 1411 66480 1600 bits
0001101101 1411 68790 2400 bits
16 0000011111 1411 96060 760 bits
N/A 1411 96000 4200 bits
0000011111 1411 96030 760 bits
18 - - -
- - -
- - -
19 0000100010 1411 97410 200 bits
N/A 1411 97380 1280 bits
0000100001 1411 97110 600 bits
21 0001110000 1411 67950 120 bits
N/A 1411 67920 6280 bits
0001110000 1411 67920 80 bits
23 0000000000 1411 79050 9520 bits
N/A 1411 76800 10160 bits
0000000000 1411 79050 2440 bits
25 0000011101 1411 97410 16160 bits
N/A 1411 94320 2360 bits
0000011101 1411 97110 1080 bits
26 0000000111 1411 81300 240 bits
N/A 1411 81240 6000 bits
0000000111 1411 81210 200 bits
27 0001100001 1411 59100 320 bits
N/A 1411 59100 2400 bits
0001100001 1411 59100 280 bits
28 0000100000 1411 97410 5760 bits
N/A 1411 96240 1520 bits
0000100000 1411 97110 1000 bits
29 0000100000 1411 97410 2600 bits
N/A 1411 96300 1960 bits
0000100000 1411 96300 200 bits
30 0000011100 1411 97410 14960 bits
N/A 1411 93900 360 bits
0000011100 1411 97110 1600 bits
31 0000010001 1411 87420 480 bits
N/A 1411 87360 200 bits
0000010001 1411 87390 440 bits
32 - - -
- - -
- - -
33 0000010011 1411 91050 3600 bits
N/A 1411 88200 760 bits
0000010010 1411 88230 760 bits
34 0000100010 1411 97410 200 bits
N/A 1411 97380 2160 bits
0000100001 1411 97110 600 bits
36 0000100010 1411 97410 200 bits
N/A 1411 97380 2720 bits
0000100001 1411 97110 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 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