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]

1377 30750

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 8
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 Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 7
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0703 11F15 0215 0703 1915 0215
Key b550a58ff5f3dc61bad62b29d2534f04
SVID 8
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0803 25F15 1515 0803 1315 1515
Key b550a58ff5f3dc61bad62b29d2534f04
SVID 10
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1003 25F15 1115 1003 1915 1115
Key b550a58ff5f3dc61bad62b29d2534f04
SVID 12
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1203 02F15 1915 1203 1115 1915
Key b550a58ff5f3dc61bad62b29d2534f04
SVID 14
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1400 11F15 0215 1400 1515 0215
Key b550a58ff5f3dc61bad62b29d2534f04
SVID 19
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 27
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2703 15F15 1315 2703 3315 1315
Key b550a58ff5f3dc61bad62b29d2534f04
SVID 29
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2903 02F15 1915 2903 3315 1915
Key b550a58ff5f3dc61bad62b29d2534f04
SVID 30
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3003 25F15 0215 3003 1115 0215
Key b550a58ff5f3dc61bad62b29d2534f04

Authenticated Data

02 0000110001 1377 30720 3240 bits
N/A 1377 30180 7200 bits
0000110001 1377 30390 400 bits
03 0000100110 1377 23580 160 bits
N/A 1377 23520 9600 bits
0000100110 1377 23550 120 bits
04 0001101101 1376 602070 8880 bits
N/A 1376 599400 7360 bits
0001101101 1376 602010 800 bits
05 0000010100 1377 15270 15400 bits
N/A 1377 12840 6600 bits
0000010100 1377 15270 4920 bits
06 0001110001 1377 1230 26800 bits
N/A 1376 602040 8280 bits
0001110001 1377 1230 7400 bits
07 0000110010 1377 30720 80 bits
N/A 1377 30720 12080 bits
0000110001 1377 30420 280 bits
08 0000110010 1377 30720 80 bits
N/A 1377 30720 14000 bits
0000110001 1377 30420 480 bits
09 0000000101 1377 4230 760 bits
N/A 1377 4200 2360 bits
0000000101 1377 4230 760 bits
10 0000110010 1377 30720 80 bits
N/A 1377 30720 1440 bits
0000110001 1377 30420 480 bits
11 0001101011 1376 598860 600 bits
N/A 1376 598860 7920 bits
0001101011 1376 598830 560 bits
12 0000110010 1377 30720 80 bits
N/A 1377 30720 2760 bits
0000110001 1377 30420 320 bits
13 0000100101 1377 23340 640 bits
N/A 1377 23280 11920 bits
0000100101 1377 23310 600 bits
14 - - -
- - -
- - -
15 0000011100 1377 17610 200 bits
N/A 1377 17580 8720 bits
0000011100 1377 17610 160 bits
16 - - -
- - -
- - -
18 - - -
- - -
- - -
19 0000101110 1377 30720 10480 bits
N/A 1376 590580 3240 bits
0000101110 1377 30390 2520 bits
21 0000000100 1377 3660 800 bits
N/A 1377 3660 2000 bits
0000000101 1377 3690 40 bits
23 0000000100 1377 5970 8600 bits
N/A 1376 567060 2800 bits
0000000100 1377 5970 1560 bits
25 0000100100 1377 26610 14040 bits
N/A 1377 22740 6800 bits
0000100100 1377 26610 720 bits
26 0000101100 1377 27450 240 bits
N/A 1377 27420 7160 bits
0000101100 1377 27420 200 bits
27 0000110010 1377 30720 80 bits
N/A 1377 30720 2120 bits
0000110001 1377 30420 120 bits
28 - - -
- - -
- - -
29 0000110010 1377 30720 80 bits
N/A 1377 30720 5800 bits
0000110001 1377 30420 480 bits
30 0000110010 1377 30720 80 bits
N/A 1377 30720 8440 bits
0000110001 1377 30420 480 bits
31 0000001110 1377 9090 40 bits
N/A 1377 9060 480 bits
0000001101 1377 9060 200 bits
32 - - -
- - -
- - -
33 0000101111 1377 30720 4200 bits
N/A 1377 28860 6480 bits
0000101111 1377 29070 160 bits
34 0000010000 1377 10800 720 bits
N/A 1377 10740 5000 bits
0000010000 1377 10770 680 bits
36 0000000100 1377 3090 40 bits
N/A 1377 3060 1600 bits
0000000011 1377 3060 800 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