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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]

1399 321960

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 13
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 5
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 4
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 6
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0610 04F15 0615 36F15 0610 2315
Key 22af9ec6d3cc3d8f428aa2bbde3e55ba
SVID 9
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0910 36F15 0915 04F15 0910 3415
Key 22af9ec6d3cc3d8f428aa2bbde3e55ba
SVID 10
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1010 11F15 1015 16F15 1010 3615
Key 22af9ec6d3cc3d8f428aa2bbde3e55ba
SVID 11
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 Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 21
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 23
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 2810 23F15 2815 04F15 2810 2115
Key 22af9ec6d3cc3d8f428aa2bbde3e55ba
SVID 31
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3110 23F15 3115 16F15 3110 1115
Key 22af9ec6d3cc3d8f428aa2bbde3e55ba
SVID 34
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 36
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA

Authenticated Data

02 0000001001 1399 312510 2200 bits
N/A 1399 311340 1880 bits
0000001001 1399 311370 680 bits
03 0001100011 1399 289770 960 bits
N/A 1399 287820 2080 bits
0001100011 1399 289770 480 bits
04 0000010111 1399 321930 9160 bits
N/A 1399 319740 4080 bits
0000010111 1399 321630 2520 bits
05 0000011000 1399 321930 3200 bits
N/A 1399 320220 240 bits
0000011000 1399 320250 480 bits
06 0000011011 1399 321930 360 bits
N/A 1399 321900 6400 bits
0000011010 1399 321630 760 bits
07 0001111110 1399 308250 4280 bits
N/A 1399 304920 400 bits
0001111110 1399 308250 160 bits
08 0001100000 1399 289770 2880 bits
N/A 1399 287280 1160 bits
0001100000 1399 288090 760 bits
09 0000011011 1399 321930 360 bits
N/A 1399 321900 3000 bits
0000011010 1399 321630 760 bits
10 0000011011 1399 321930 360 bits
N/A 1399 321900 5760 bits
0000011010 1399 321630 760 bits
11 0000010011 1399 321930 19400 bits
N/A 1399 317100 2360 bits
0000010011 1399 321630 3200 bits
12 0000010111 1399 319740 600 bits
N/A 1399 319740 4920 bits
0000010111 1399 319740 640 bits
13 0001100010 1399 289770 1880 bits
N/A 1399 288120 7280 bits
0001100010 1399 289770 560 bits
14 - - -
- - -
- - -
15 0001011000 1399 284010 2120 bits
N/A 1399 282480 8280 bits
0001011000 1399 284010 1240 bits
16 0000000001 1399 306300 320 bits
N/A 1399 306300 920 bits
0000000001 1399 306300 320 bits
18 - - -
- - -
- - -
19 0000011011 1399 321810 80 bits
N/A 1399 321540 4640 bits
0000011010 1399 321630 720 bits
21 0000010011 1399 321900 8520 bits
N/A 1399 316920 1000 bits
0000010011 1399 320850 2160 bits
23 0000010011 1399 321930 8960 bits
N/A 1399 288120 3720 bits
0000010011 1399 321630 1080 bits
25 0000000100 1399 311370 4560 bits
N/A 1399 308040 200 bits
0000000100 1399 308070 280 bits
26 0001111010 1399 302940 640 bits
N/A 1399 302940 5320 bits
0001111010 1399 302970 680 bits
27 0000010100 1399 317850 560 bits
N/A 1399 317520 840 bits
0000010100 1399 317850 320 bits
28 0000011011 1399 321930 360 bits
N/A 1399 321900 2440 bits
0000011010 1399 321630 760 bits
29 0000001000 1399 314160 2480 bits
N/A 1399 310200 1840 bits
0000001000 1399 312810 440 bits
30 0000001000 1399 313410 3160 bits
N/A 1399 271080 4560 bits
0000001000 1399 313230 40 bits
31 0000011011 1399 321930 360 bits
N/A 1399 321900 640 bits
0000011010 1399 321630 760 bits
32 - - -
- - -
- - -
33 0000001010 1399 311790 440 bits
N/A 1399 311760 2360 bits
0000001010 1399 311760 400 bits
34 0000011010 1399 321930 320 bits
N/A 1399 321300 1040 bits
0000011010 1399 321300 160 bits
36 0000010111 1399 321930 8760 bits
N/A 1399 319740 3160 bits
0000010111 1399 321630 1920 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.

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
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