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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 218790

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 10
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 0
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 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 Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 10
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 14
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
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 31
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 Not transmitting OSNMA
Key Not transmitting OSNMA

Authenticated Data

02 0000101110 1377 183030 2320 bits
N/A 1377 179340 840 bits
0000101110 1377 183030 720 bits
03 0001011100 1377 208380 80 bits
N/A 1377 208380 40 bits
0000010110 1377 166830 720 bits
04 0001011100 1377 208380 160 bits
N/A 1377 208380 11480 bits
0001011011 1377 208080 560 bits
05 0001011100 1377 208380 160 bits
N/A 1377 208380 3240 bits
0001011011 1377 208080 560 bits
06 0001011000 1377 208380 6680 bits
N/A 1377 205620 7960 bits
0001011000 1377 208050 920 bits
07 0000110001 1377 183000 640 bits
N/A 1377 182880 3000 bits
0000110001 1377 182850 520 bits
08 0000100001 1377 175590 4120 bits
N/A 1377 173220 14240 bits
0000100001 1377 173370 600 bits
09 0001011100 1377 208380 160 bits
N/A 1377 208380 5600 bits
0001011011 1377 208080 560 bits
10 0001001001 1377 196920 40 bits
N/A 1377 196920 10640 bits
0001001001 1377 196920 80 bits
11 0001001100 1377 198810 200 bits
N/A 1377 198840 5880 bits
0001001100 1377 198870 280 bits
12 0001000101 1377 194670 280 bits
N/A 1377 194640 6160 bits
0001000101 1377 194640 240 bits
13 0001011001 1377 208380 4160 bits
N/A 1377 206940 320 bits
0001011001 1377 208050 1040 bits
14 - - -
- - -
- - -
15 0001011001 1377 208380 3640 bits
N/A 1377 205620 320 bits
0001011001 1377 207690 560 bits
16 - - -
- - -
- - -
18 - - -
- - -
- - -
19 0001010010 1377 202800 720 bits
N/A 1377 202740 9720 bits
0001010010 1377 202770 680 bits
21 0001010110 1377 205620 1600 bits
N/A 1377 204840 8160 bits
0001010110 1377 204840 200 bits
23 0001011100 1377 208380 160 bits
N/A 1377 208380 5080 bits
0001011011 1377 208080 560 bits
25 0000100001 1377 176730 11280 bits
N/A 1377 177600 40 bits
0000101000 1377 177630 40 bits
26 0000101111 1377 181710 600 bits
N/A 1377 181680 5040 bits
0000101111 1377 181710 600 bits
27 0001001000 1377 196680 560 bits
N/A 1377 196620 6040 bits
0001001000 1377 196650 520 bits
28 - - -
- - -
- - -
29 0001000001 1377 193800 2160 bits
N/A 1377 192360 7680 bits
0001000001 1377 192390 440 bits
30 0000111011 1377 192150 8280 bits
N/A 1377 188460 4600 bits
0000111011 1377 192090 1840 bits
31 0001011010 1377 208380 6240 bits
N/A 1377 207120 1840 bits
0001011010 1377 208050 960 bits
32 - - -
- - -
- - -
33 0000111011 1377 192600 10080 bits
N/A 1377 184560 5520 bits
0000111011 1377 192270 2400 bits
34 0001010000 1377 204990 9720 bits
N/A 1377 201180 4040 bits
0001010000 1377 204990 2040 bits
36 0001010001 1377 202230 760 bits
N/A 1377 202200 6600 bits
0001010001 1377 202230 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