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]

1376 108780

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 29 30 31 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 29 30 31 33 34 36
SVID 3
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0304 05F15 0315 26F15 0304 3415
Key 64f091be2308d9c209c0e74b80f33e76
SVID 5
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 0804 26F15 0815 34F15 0804 0515
Key 64f091be2308d9c209c0e74b80f33e76
SVID 13
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1304 26F15 1315 05F15 1304 3315
Key 64f091be2308d9c209c0e74b80f33e76
SVID 15
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1504 34F15 1515 05F15 1504 2615
Key 64f091be2308d9c209c0e74b80f33e76
SVID 25
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2504 05F15 2515 09F15 2504 3415
Key 64f091be2308d9c209c0e74b80f33e76
SVID 26
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 31
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3104 33F15 3115 26F15 3104 0515
Key 64f091be2308d9c209c0e74b80f33e76
SVID 34
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA

Authenticated Data

02 0000010010 1376 88080 560 bits
N/A 1376 88080 680 bits
0000010010 1376 88050 520 bits
03 0000110101 1376 108750 120 bits
N/A 1376 108720 7400 bits
0000110100 1376 108450 520 bits
04 0000011110 1376 98970 13880 bits
N/A 1376 94980 2600 bits
0000011110 1376 98070 3200 bits
05 0000110011 1376 108750 5000 bits
N/A 1376 107880 10200 bits
0000110011 1376 108450 1040 bits
06 0000101010 1376 102450 520 bits
N/A 1376 102420 5480 bits
0000101010 1376 102450 520 bits
07 0001111001 1376 76050 6560 bits
N/A 1376 72840 2920 bits
0001111000 1376 72840 200 bits
08 0000110101 1376 108750 120 bits
N/A 1376 108720 3840 bits
0000110100 1376 108450 520 bits
09 0000110010 1376 107340 640 bits
N/A 1376 107280 6640 bits
0000110010 1376 107310 600 bits
10 0000011000 1376 91770 680 bits
N/A 1376 91740 2320 bits
0000011000 1376 91770 680 bits
11 0000011111 1376 96000 720 bits
N/A 1376 95940 2280 bits
0000011111 1376 95940 640 bits
12 0000010001 1376 87600 40 bits
N/A 1376 84300 10400 bits
0000001100 1376 87570 1640 bits
13 0000110101 1376 108750 120 bits
N/A 1376 108720 4800 bits
0000110100 1376 108450 520 bits
14 - - -
- - -
- - -
15 0000110101 1376 108750 120 bits
N/A 1376 108720 9040 bits
0000110100 1376 108450 160 bits
16 0001000100 1375 120690 7440 bits
N/A 1375 117720 6480 bits
0001000100 1375 120690 2040 bits
18 - - -
- - -
- - -
19 0000010010 1376 87810 160 bits
N/A 1376 87840 480 bits
0000010010 1376 87810 80 bits
21 0000100001 1376 100590 11360 bits
N/A 1376 91200 160 bits
0000100001 1376 99090 1240 bits
23 0000101010 1376 106350 26920 bits
N/A 1376 102360 4800 bits
0000101010 1376 106350 5800 bits
25 0000110101 1376 108750 120 bits
N/A 1376 108720 3080 bits
0000110100 1376 108450 520 bits
26 0001101010 1376 68550 13000 bits
N/A 1376 64560 11240 bits
0001101010 1376 68550 3720 bits
27 0000011010 1376 92730 360 bits
N/A 1376 92640 1280 bits
0000011010 1376 92670 280 bits
29 0000000110 1376 81000 720 bits
N/A 1376 81000 8800 bits
0000000110 1376 80970 680 bits
30 0000010110 1376 94530 16320 bits
N/A 1376 90540 1880 bits
0000010110 1376 94170 4440 bits
31 0000110101 1376 108750 120 bits
N/A 1376 108720 4960 bits
0000110100 1376 108450 520 bits
33 0000000000 1376 78630 5040 bits
N/A 1376 76800 13680 bits
0001111110 1376 76830 760 bits
34 0000110010 1376 108750 6680 bits
N/A 1376 107280 8280 bits
0000110010 1376 108450 1080 bits
36 0000101010 1376 102570 680 bits
N/A 1376 102540 6560 bits
0000101010 1376 102660 760 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