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]

1407 406890

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 12
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 0401 19F15 0615 0401 3115 0615
Key 44fb8289dfb2826b4f8248229bf19ef4
SVID 5
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0501 31F15 1515 0501 0915 1515
Key 44fb8289dfb2826b4f8248229bf19ef4
SVID 6
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 9
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 15
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 16
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 18
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 2301 15F15 0615 2301 0915 0615
Key 44fb8289dfb2826b4f8248229bf19ef4
SVID 28
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2801 16F15 1915 2801 0615 1915
Key 44fb8289dfb2826b4f8248229bf19ef4
SVID 31
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 34
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3401 08F15 1515 3401 3615 1515
Key 44fb8289dfb2826b4f8248229bf19ef4
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 0000000110 1407 385650 520 bits
N/A 1407 385620 3080 bits
0000000110 1407 385710 520 bits
03 0001100111 1407 370800 8360 bits
N/A 1407 367440 6000 bits
0001100111 1407 369270 720 bits
04 0000101001 1407 406860 800 bits
N/A 1407 406860 5840 bits
0000101001 1407 406560 400 bits
05 0000101001 1407 406860 800 bits
N/A 1407 406860 3040 bits
0000101001 1407 406560 400 bits
06 0000100111 1407 406860 7760 bits
N/A 1407 405240 3040 bits
0000100111 1407 406530 1960 bits
07 0001111110 1407 384450 13160 bits
N/A 1407 381180 8240 bits
0001111110 1407 382710 1120 bits
08 0001110101 1407 377010 3600 bits
N/A 1407 375720 5200 bits
0001110101 1407 376170 240 bits
09 0000101001 1407 406860 1080 bits
N/A 1407 406740 7040 bits
0000101001 1407 406560 400 bits
10 0000011011 1407 401550 7800 bits
N/A 1407 398040 2640 bits
0000011011 1407 401550 1040 bits
11 0000100100 1407 403320 80 bits
N/A 1407 403320 3880 bits
0000100100 1407 403320 80 bits
12 0000011010 1407 397740 640 bits
N/A 1407 397680 4680 bits
0000011010 1407 397740 600 bits
13 0001110001 1407 373710 600 bits
N/A 1407 373680 12240 bits
0001110001 1407 373680 560 bits
14 - - -
- - -
- - -
15 0000101000 1407 406860 3800 bits
N/A 1407 405780 1480 bits
0000101000 1407 406530 960 bits
16 0000100100 1407 406830 3280 bits
N/A 1407 381180 5080 bits
0000100100 1407 403710 40 bits
18 - - -
- - -
- - -
19 0000011110 1407 403830 7800 bits
N/A 1407 399840 4600 bits
0000011110 1407 401730 960 bits
21 0000101000 1407 405810 120 bits
N/A 1407 405720 3960 bits
0000101000 1407 405750 80 bits
23 0000101001 1407 406860 800 bits
N/A 1407 406860 6960 bits
0000101001 1407 406560 400 bits
25 0001111110 1407 385200 11720 bits
N/A 1407 381240 3040 bits
0001111110 1407 383430 2080 bits
26 0000000010 1407 383040 240 bits
N/A 1407 383040 14120 bits
0000000010 1407 383070 280 bits
27 0000011011 1407 398010 200 bits
N/A 1407 397920 4440 bits
0000011011 1407 397950 120 bits
28 0000101001 1407 406860 800 bits
N/A 1407 406860 2880 bits
0000101001 1407 406560 400 bits
29 0000001111 1407 395010 12920 bits
N/A 1407 391020 240 bits
0000001111 1407 394350 3520 bits
30 0000010000 1407 391290 40 bits
N/A 1407 391200 360 bits
0000001111 1407 391230 760 bits
31 0000100100 1407 406860 11240 bits
N/A 1407 403620 4200 bits
0000100100 1407 406530 1760 bits
32 0001101111 1407 372270 280 bits
N/A 1407 372240 3600 bits
0001101111 1407 372270 280 bits
33 0000001110 1407 390660 800 bits
N/A 1407 390660 11800 bits
0000001110 1407 390660 800 bits
34 0000101001 1407 406860 800 bits
N/A 1407 406860 4600 bits
0000101001 1407 406560 400 bits
36 0000100110 1407 406860 4160 bits
N/A 1407 404580 5040 bits
0000100110 1407 404610 200 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