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]

1313 211530

Authenticated NMA Status
NMAS TEST CID 3 CPKS NOMINAL
Tesla Chain in Force
PKID 1 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 1 NPKT ECDSA_P256 MID 0

OSNMA Tag Verification Inputs

Satellites in View 9
01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 18 19 20 21 22 23 24 25 26 27 29 30 31 33 34 36
Satellites Transmitting OSNMA 5
01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 18 19 20 21 22 23 24 25 26 27 29 30 31 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 02F15 3315 0715 0809 3315
Key cb6d70cdbddb7921dfa4bdddca71ccf8
SVID 8
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 13
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1309 29F09 2715 1309 1515 2715
Key cb6d70cdbddb7921dfa4bdddca71ccf8
SVID 25
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2509 08F09 1015 2509 0215 1015
Key cb6d70cdbddb7921dfa4bdddca71ccf8
SVID 26
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2609 08F09 2909 2609 0715 2909
Key cb6d70cdbddb7921dfa4bdddca71ccf8
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 3009 15F15 2715 3009 0215 2715
Key cb6d70cdbddb7921dfa4bdddca71ccf8
SVID 33
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA

Authenticated Data

01 - - -
- - -
- - -
02 0001011110 1313 211500 6760 bits
N/A 1313 209880 680 bits
0001011110 1313 211170 2520 bits
03 0001011111 1313 210450 520 bits
N/A 1313 210420 840 bits
0001011111 1313 210420 440 bits
04 0000110010 1313 187050 9800 bits
N/A 1313 183000 2560 bits
0000110010 1313 185370 1320 bits
05 0001001111 1313 201060 800 bits
N/A 1313 201060 8160 bits
0001001111 1313 201060 800 bits
06 0000111011 1313 188850 520 bits
N/A 1313 188820 6720 bits
0000111011 1313 188820 400 bits
07 0001011011 1313 211500 17760 bits
N/A 1313 208080 4480 bits
0001011011 1313 211170 4120 bits
08 0001100001 1313 211500 400 bits
N/A 1313 211320 1560 bits
0001100000 1313 211200 720 bits
09 0001000000 1313 194730 7840 bits
N/A 1313 191880 4920 bits
0001000000 1313 193590 840 bits
10 0000100100 1313 177720 8080 bits
N/A 1313 175020 600 bits
0000100100 1313 176370 1920 bits
11 0000101001 1313 181290 7000 bits
N/A 1313 178140 560 bits
0000101001 1313 179970 1480 bits
12 0000011101 1313 170940 360 bits
N/A 1313 170760 6680 bits
0000011101 1313 170790 360 bits
13 0001100001 1313 211500 320 bits
N/A 1313 211500 1680 bits
0001100000 1313 211200 720 bits
14 - - -
- - -
- - -
15 0001011001 1313 207060 800 bits
N/A 1313 207060 10000 bits
0001011001 1313 207000 680 bits
16 - - -
- - -
- - -
18 - - -
- - -
- - -
19 0000100010 1313 177210 4640 bits
N/A 1313 172980 2560 bits
0000100010 1313 173760 40 bits
20 - - -
- - -
- - -
21 0001001000 1313 196710 1160 bits
N/A 1313 196380 3880 bits
0001001000 1313 196710 560 bits
22 - - -
- - -
- - -
23 - - -
- - -
- - -
24 0001010110 1313 208650 8880 bits
N/A 1313 204600 720 bits
0001010101 1313 204630 680 bits
25 0001100001 1313 211500 320 bits
N/A 1313 211500 1240 bits
0001100000 1313 211200 720 bits
26 0001100001 1313 211500 320 bits
N/A 1313 211500 1760 bits
0001100000 1313 211200 720 bits
27 0001000011 1313 193590 440 bits
N/A 1313 193560 5640 bits
0001000011 1313 193560 400 bits
29 0001100001 1313 211500 360 bits
N/A 1313 211380 1680 bits
0001100000 1313 211200 720 bits
30 0001100001 1313 211500 320 bits
N/A 1313 211500 1240 bits
0001100000 1313 211200 720 bits
31 0001000111 1313 198750 7120 bits
N/A 1313 160380 10880 bits
0001000111 1313 198750 1240 bits
33 0001011110 1313 211500 7160 bits
N/A 1313 209460 400 bits
0001011110 1313 211170 840 bits
34 0001001101 1313 199500 280 bits
N/A 1313 199500 10320 bits
0001001101 1313 199500 280 bits
36 0000111100 1313 193230 14040 bits
N/A 1313 189240 4560 bits
0000111100 1313 190290 1360 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