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]

1408 28770

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 7
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 7
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0715 32F15 3015 0715 0215 3015
Key e98128862b3e63337335d3f870c2d0f2
SVID 10
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1015 33F15 2515 1015 1615 2515
Key e98128862b3e63337335d3f870c2d0f2
SVID 11
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1115 02F15 2515 1115 1615 2515
Key e98128862b3e63337335d3f870c2d0f2
SVID 12
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1215 02F15 2515 1215 3315 2515
Key e98128862b3e63337335d3f870c2d0f2
SVID 16
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 1915 16F15 3315 1915 2615 3315
Key e98128862b3e63337335d3f870c2d0f2
SVID 25
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 Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 28
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2815 16F15 2315 2815 3315 2315
Key e98128862b3e63337335d3f870c2d0f2
SVID 29
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2915 02F15 3315 2915 2615 3315
Key e98128862b3e63337335d3f870c2d0f2
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 0001100011 1407 593940 640 bits
N/A 1407 593940 10520 bits
0001100011 1407 593940 640 bits
03 0000011010 1408 16680 520 bits
N/A 1408 16680 3360 bits
0000011010 1408 16650 480 bits
04 0000000101 1408 7500 18440 bits
N/A 1408 3960 280 bits
0000000101 1408 7170 5800 bits
05 0000010001 1408 11370 240 bits
N/A 1408 10800 1440 bits
0000010000 1408 10830 760 bits
06 0000001010 1408 7710 2640 bits
N/A 1408 7140 2080 bits
0000001010 1408 7710 1000 bits
07 0000101110 1408 28740 640 bits
N/A 1408 28740 5240 bits
0000101110 1408 28440 240 bits
08 0000100001 1408 24810 9920 bits
N/A 1408 20880 3440 bits
0000100001 1408 23130 3600 bits
09 0000001011 1408 10830 11880 bits
N/A 1408 7260 3160 bits
0000001011 1408 10230 2480 bits
10 0000101110 1408 28740 640 bits
N/A 1408 28740 3720 bits
0000101110 1408 28440 240 bits
11 0000101110 1408 28740 640 bits
N/A 1408 28740 1280 bits
0000101110 1408 28440 240 bits
12 0000101110 1408 28740 640 bits
N/A 1408 28740 7760 bits
0000101110 1408 28440 240 bits
13 0000011010 1408 20490 13240 bits
N/A 1408 16500 6600 bits
0000011010 1408 20490 2240 bits
14 - - -
- - -
- - -
15 0000001111 1408 9810 200 bits
N/A 1408 9780 3720 bits
0000001111 1408 9780 160 bits
16 0000101011 1408 28740 11440 bits
N/A 1408 26760 3440 bits
0000101011 1408 27870 2040 bits
18 - - -
- - -
- - -
19 0000101110 1408 28740 640 bits
N/A 1408 28740 3240 bits
0000101110 1408 28440 240 bits
21 0000011001 1408 16200 720 bits
N/A 1408 16140 9960 bits
0000011001 1408 16140 640 bits
23 0000100000 1408 23850 13320 bits
N/A 1408 19860 5400 bits
0000100000 1408 20370 360 bits
25 0000101011 1408 28740 7520 bits
N/A 1408 26700 840 bits
0000101011 1408 28410 1720 bits
26 0000101100 1408 28740 6680 bits
N/A 1408 27000 8600 bits
0000101011 1408 27030 760 bits
27 0000001100 1408 8190 440 bits
N/A 1408 8160 5000 bits
0000001100 1408 8190 440 bits
28 0000101110 1408 28740 640 bits
N/A 1408 28740 3880 bits
0000101110 1408 28440 240 bits
29 0000101110 1408 28740 640 bits
N/A 1408 28740 5640 bits
0000101110 1408 28440 240 bits
30 0001110100 1407 604080 560 bits
N/A 1407 604020 12520 bits
0001110100 1407 604050 480 bits
31 0000101110 1408 28350 120 bits
N/A 1408 28320 10040 bits
0000101110 1408 28320 80 bits
32 0000011110 1408 22770 13520 bits
N/A 1408 18780 2440 bits
0000011110 1408 20910 2120 bits
33 0000101011 1408 28740 13280 bits
N/A 1408 26700 8080 bits
0000101011 1408 28410 2840 bits
34 0000000001 1408 1770 680 bits
N/A 1408 1740 720 bits
0000000001 1408 1770 680 bits
36 0001101001 1407 600570 5560 bits
N/A 1407 597360 2520 bits
0001101001 1407 597390 440 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