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]

1410 540570

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 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 7
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0715 25F15 0215 0715 3015 0215
Key da67317f84033a84ba027bf581966c2d
SVID 10
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1015 02F15 1215 1015 1115 1215
Key da67317f84033a84ba027bf581966c2d
SVID 11
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 12
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 1615 04F15 1115 1615 1215 1115
Key da67317f84033a84ba027bf581966c2d
SVID 19
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1915 06F15 2815 1915 0415 2815
Key da67317f84033a84ba027bf581966c2d
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 2610 23F15 1315 2610 2815 1315
Key da67317f84033a84ba027bf581966c2d
SVID 28
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 29
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2908 25F15 1215 2908 2815 1215
Key da67317f84033a84ba027bf581966c2d
SVID 31
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3115 23F15 0415 3115 0615 0415
Key da67317f84033a84ba027bf581966c2d
SVID 33
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3315 02F15 1215 3315 2815 1215
Key da67317f84033a84ba027bf581966c2d

Authenticated Data

02 0001000111 1410 504840 11360 bits
N/A 1410 500880 5040 bits
0001000111 1410 503250 3120 bits
03 0001111000 1410 530280 120 bits
N/A 1410 530220 2920 bits
0001111000 1410 530250 80 bits
04 0001100111 1410 519750 120 bits
N/A 1410 519720 320 bits
0001100111 1410 519720 80 bits
05 0001101110 1410 525270 1800 bits
N/A 1410 524340 2080 bits
0001101110 1410 524790 800 bits
06 0001101000 1410 521850 5520 bits
N/A 1410 520680 1080 bits
0001101000 1410 521550 1520 bits
07 0000001010 1410 540540 640 bits
N/A 1410 540540 7160 bits
0000001010 1410 540240 240 bits
08 0000000011 1410 539970 10320 bits
N/A 1410 536100 5840 bits
0000000011 1410 539970 920 bits
09 0001101010 1410 524340 5680 bits
N/A 1410 521520 440 bits
0001101010 1410 522810 960 bits
10 0000001010 1410 540540 640 bits
N/A 1410 540540 4800 bits
0000001010 1410 540240 240 bits
11 0000001001 1410 540540 2160 bits
N/A 1410 539880 560 bits
0000001001 1410 540210 760 bits
12 0000000110 1410 540540 10000 bits
N/A 1410 537720 5440 bits
0000000110 1410 540210 800 bits
13 0001111100 1410 532860 800 bits
N/A 1410 532860 4480 bits
0001111100 1410 532860 800 bits
14 - - -
- - -
- - -
15 0001101101 1410 523350 120 bits
N/A 1410 523320 1080 bits
0001101101 1410 523350 120 bits
16 0000001010 1410 540540 640 bits
N/A 1410 540540 2560 bits
0000001010 1410 540240 240 bits
18 - - -
- - -
- - -
19 0000001010 1410 540540 640 bits
N/A 1410 540540 2840 bits
0000001010 1410 540240 240 bits
21 0001110111 1410 529710 600 bits
N/A 1410 529680 6240 bits
0001110111 1410 529680 560 bits
23 0000000100 1410 536610 200 bits
N/A 1410 536580 5640 bits
0000000100 1410 536580 160 bits
25 0000001001 1410 540540 2520 bits
N/A 1410 539460 2120 bits
0000001001 1410 539490 40 bits
26 0000001010 1410 540540 360 bits
N/A 1410 540540 9000 bits
0000000011 1410 539670 4720 bits
27 0001101010 1410 521790 440 bits
N/A 1410 521760 1760 bits
0001101010 1410 521760 400 bits
28 0000001001 1410 540540 3120 bits
N/A 1410 539820 320 bits
0000001001 1410 540210 760 bits
29 0000001010 1410 540540 280 bits
N/A 1410 540540 2560 bits
0000000110 1410 540210 2080 bits
30 0001011011 1410 513060 600 bits
N/A 1410 512820 8520 bits
0001011011 1410 512820 480 bits
31 0000001010 1410 540540 600 bits
N/A 1410 540540 7600 bits
0000001010 1410 540240 200 bits
32 - - -
- - -
- - -
33 0000001010 1410 540540 640 bits
N/A 1410 540540 8480 bits
0000001010 1410 540240 240 bits
34 0001011010 1410 515850 10120 bits
N/A 1410 511980 2600 bits
0001011010 1410 515190 1920 bits
36 0001001110 1410 508980 10240 bits
N/A 1410 505020 4080 bits
0001001110 1410 506490 1960 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