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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]

1408 68940

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 6
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 0215 25F15 0215 03F15 0215 1515
Key 05b90c69c375f62433958323b7f2f9b8
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 0515 25F15 0515 03F15 0515 0915
Key 05b90c69c375f62433958323b7f2f9b8
SVID 8
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0815 13F15 0815 07F15 0815 0315
Key 05b90c69c375f62433958323b7f2f9b8
SVID 16
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1615 25F15 1615 03F15 1615 3115
Key 05b90c69c375f62433958323b7f2f9b8
SVID 18
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 2615 07F15 2615 33F15 2615 1315
Key 05b90c69c375f62433958323b7f2f9b8
SVID 31
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 32
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3215 03F15 3215 25F15 3215 1315
Key 05b90c69c375f62433958323b7f2f9b8
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 0001110001 1408 68910 600 bits
N/A 1408 68880 1920 bits
0001110001 1408 68610 200 bits
03 0001110000 1408 68910 3840 bits
N/A 1408 68220 5320 bits
0001110000 1408 68610 840 bits
04 0001100001 1408 59070 240 bits
N/A 1408 59040 3520 bits
0001100001 1408 59040 200 bits
05 0001110001 1408 68910 600 bits
N/A 1408 68880 8160 bits
0001110001 1408 68610 200 bits
06 0001101001 1408 67740 7240 bits
N/A 1408 63660 6040 bits
0001101001 1408 67590 760 bits
07 0000110011 1408 31290 40 bits
N/A 1408 31260 6920 bits
0000110011 1408 31290 40 bits
08 0001110001 1408 68910 600 bits
N/A 1408 68880 1040 bits
0001110001 1408 68610 200 bits
09 0001101111 1408 68910 2480 bits
N/A 1408 67560 5520 bits
0001101111 1408 67650 480 bits
10 0001001110 1408 51330 8680 bits
N/A 1408 47760 200 bits
0001001110 1408 51330 2760 bits
11 0001010100 1408 55170 4520 bits
N/A 1408 51300 1400 bits
0001010100 1408 55170 1880 bits
12 0001001011 1408 46110 600 bits
N/A 1408 46020 640 bits
0001001011 1408 46080 560 bits
13 0001101110 1408 66960 40 bits
N/A 1408 66240 3680 bits
0001101110 1408 67170 40 bits
14 - - -
- - -
- - -
15 0001101010 1408 64470 280 bits
N/A 1408 64440 6040 bits
0001101010 1408 64470 280 bits
16 0001110001 1408 68910 600 bits
N/A 1408 68880 3240 bits
0001110001 1408 68610 200 bits
18 - - -
- - -
- - -
19 0001001111 1408 48510 560 bits
N/A 1408 48480 400 bits
0001001111 1408 48540 600 bits
21 0001010100 1408 55470 8480 bits
N/A 1408 51420 1240 bits
0001010100 1408 55410 2080 bits
23 0001100100 1408 61170 680 bits
N/A 1408 61140 5000 bits
0001100100 1408 61170 680 bits
25 0001110000 1408 68910 3640 bits
N/A 1408 68280 5040 bits
0001110000 1408 68610 880 bits
26 0001110001 1408 68910 560 bits
N/A 1408 68880 640 bits
0001110001 1408 68610 160 bits
27 0001001010 1408 45660 800 bits
N/A 1408 45660 400 bits
0001001010 1408 45660 800 bits
28 0001010100 1408 55350 5880 bits
N/A 1408 51540 1520 bits
0001010100 1408 52290 800 bits
29 0001000001 1408 39690 40 bits
N/A 1408 39660 10080 bits
0001000000 1408 39660 800 bits
30 0000111101 1408 41250 9240 bits
N/A 1408 37740 520 bits
0000111101 1408 41250 3720 bits
31 0001110000 1408 68910 1280 bits
N/A 1408 68280 9160 bits
0001110000 1408 68310 600 bits
32 0001110001 1408 68910 560 bits
N/A 1408 68880 960 bits
0001110001 1408 68610 160 bits
33 0001101111 1408 68910 2200 bits
N/A 1408 67440 80 bits
0001101111 1408 68610 880 bits
34 0001100101 1408 61620 480 bits
N/A 1408 61560 6280 bits
0001100101 1408 61590 440 bits
36 0001011111 1408 57750 120 bits
N/A 1408 57720 3800 bits
0001011111 1408 57750 120 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