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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]

1411 317910

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 3
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 0410 09F15 3115 0410 2815 3115
Key 9e17df40c979673e7342e19e5f191c14
SVID 5
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0515 31F15 3415 0515 0915 3415
Key 9e17df40c979673e7342e19e5f191c14
SVID 6
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0615 28F15 3115 0615 0915 3115
Key 9e17df40c979673e7342e19e5f191c14
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 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 Not transmitting OSNMA
Key Not transmitting OSNMA
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 Not transmitting OSNMA
Key Not transmitting OSNMA

Authenticated Data

02 0001110001 1411 297090 40 bits
N/A 1411 297060 2680 bits
0001110001 1411 297090 40 bits
03 0001010111 1411 281520 80 bits
N/A 1411 281520 9200 bits
0001010111 1411 281520 80 bits
04 0000010100 1411 317880 360 bits
N/A 1411 317880 5320 bits
0000010001 1411 317550 1400 bits
05 0000010100 1411 317880 560 bits
N/A 1411 317880 1840 bits
0000010100 1411 317580 160 bits
06 0000010100 1411 317880 520 bits
N/A 1411 317880 3720 bits
0000010011 1411 317430 760 bits
07 0001101111 1411 299850 9200 bits
N/A 1411 295860 12120 bits
0001101111 1411 299850 3840 bits
08 0001100000 1411 290910 7480 bits
N/A 1411 287340 8600 bits
0001100000 1411 290910 1160 bits
09 0000010001 1411 317880 6120 bits
N/A 1411 316080 3760 bits
0000010001 1411 317250 1360 bits
10 0000001010 1411 311490 40 bits
N/A 1411 311460 1040 bits
0000001001 1411 311460 440 bits
11 0000001001 1411 314430 3760 bits
N/A 1411 310920 1640 bits
0000001001 1411 310950 120 bits
12 0000000110 1411 311460 4080 bits
N/A 1411 309000 1120 bits
0000000110 1411 311430 1960 bits
13 0001100010 1411 288390 440 bits
N/A 1411 288360 10720 bits
0001100010 1411 288390 440 bits
14 - - -
- - -
- - -
15 0000010100 1411 317880 560 bits
N/A 1411 317820 1040 bits
0000010100 1411 317580 160 bits
16 0001100101 1411 290190 440 bits
N/A 1411 290160 2480 bits
0001100101 1411 290190 440 bits
18 - - -
- - -
- - -
19 0000001101 1411 317610 5280 bits
N/A 1411 313740 3360 bits
0000001101 1411 313770 680 bits
21 0000010001 1411 317850 4600 bits
N/A 1411 316080 2560 bits
0000010001 1411 317550 2400 bits
23 0000001111 1411 317880 10920 bits
N/A 1411 314700 4080 bits
0000001111 1411 315990 1200 bits
25 0001100100 1411 293640 7440 bits
N/A 1411 289680 560 bits
0001100100 1411 292410 1280 bits
26 0001101101 1411 298590 2960 bits
N/A 1411 294780 13920 bits
0001101101 1411 294810 200 bits
27 0000001001 1411 313950 5720 bits
N/A 1411 310800 2080 bits
0000001001 1411 313950 760 bits
28 0000010100 1411 317880 640 bits
N/A 1411 317580 3600 bits
0000010100 1411 317580 160 bits
29 0000000100 1411 308340 640 bits
N/A 1411 308280 560 bits
0000000100 1411 308310 600 bits
30 0001111100 1411 303900 320 bits
N/A 1411 303900 8440 bits
0001111100 1411 303900 320 bits
31 0000010001 1411 317880 3640 bits
N/A 1411 316020 1960 bits
0000010001 1411 317430 640 bits
32 - - -
- - -
- - -
33 0001111011 1411 303300 320 bits
N/A 1411 303300 8840 bits
0001111011 1411 303300 320 bits
34 0000001111 1411 317880 8320 bits
N/A 1411 314760 1880 bits
0000001111 1411 317550 2120 bits
36 0000001011 1411 316890 8760 bits
N/A 1411 312540 2120 bits
0000001011 1411 314550 1440 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