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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 294840

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 4
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 0206 11F15 0215 30F15 0206 2515
Key 83e7a40c37312a8e067179321927503d
SVID 4
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 7
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0706 30F15 0715 27F15 0706 2915
Key 83e7a40c37312a8e067179321927503d
SVID 10
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1006 11F15 1015 25F15 1006 1915
Key 83e7a40c37312a8e067179321927503d
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 1203 19F15 1215 29F15 1203 1115
Key 83e7a40c37312a8e067179321927503d
SVID 14
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 26
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 29
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 30
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
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 0001101101 1411 294810 200 bits
N/A 1411 294780 1560 bits
0001101100 1411 294510 600 bits
03 0001010111 1411 281520 80 bits
N/A 1411 281520 9200 bits
0001010111 1411 281520 80 bits
04 0001101011 1411 294810 400 bits
N/A 1411 261420 1040 bits
0000110101 1411 263610 1760 bits
05 0001001010 1411 274350 920 bits
N/A 1411 274080 4200 bits
0001001010 1411 274110 600 bits
06 0000111011 1411 265320 840 bits
N/A 1411 264840 2280 bits
0000111011 1411 265290 360 bits
07 0001101101 1411 294810 200 bits
N/A 1411 294780 11400 bits
0001101100 1411 294510 600 bits
08 0001100000 1411 290910 7480 bits
N/A 1411 287340 8600 bits
0001100000 1411 290910 1160 bits
09 0000111100 1411 269160 6080 bits
N/A 1411 265260 2280 bits
0000111100 1411 268950 160 bits
10 0001101101 1411 294810 200 bits
N/A 1411 294780 2080 bits
0001101100 1411 294510 600 bits
11 0001101100 1411 294810 640 bits
N/A 1411 251280 3960 bits
0000100100 1411 254730 640 bits
12 0001101101 1411 294810 80 bits
N/A 1411 294780 2960 bits
0001101001 1411 294510 1480 bits
13 0001100010 1411 288390 440 bits
N/A 1411 288360 10720 bits
0001100010 1411 288390 440 bits
14 - - -
- - -
- - -
15 0001001100 1411 278610 11040 bits
N/A 1411 274800 4320 bits
0001001100 1411 276750 2360 bits
16 0001100101 1411 290190 440 bits
N/A 1411 290160 2480 bits
0001100101 1411 290190 440 bits
18 - - -
- - -
- - -
19 0001101001 1411 294810 5160 bits
N/A 1411 292740 2360 bits
0001101001 1411 292770 560 bits
21 0001010010 1411 282450 13520 bits
N/A 1411 278520 5200 bits
0001010010 1411 282390 1600 bits
23 0001011011 1411 284400 720 bits
N/A 1411 284400 6880 bits
0001011011 1411 284370 680 bits
25 0001100100 1411 293640 7440 bits
N/A 1411 289680 560 bits
0001100100 1411 292410 1280 bits
26 0001101101 1411 294810 200 bits
N/A 1411 294780 13920 bits
0001101100 1411 294510 600 bits
27 0001001001 1411 273570 680 bits
N/A 1411 273540 2760 bits
0001001001 1411 273570 680 bits
28 0001101101 1411 294810 200 bits
N/A 1411 294780 2160 bits
0001101100 1411 294510 600 bits
29 0001101000 1411 294810 8080 bits
N/A 1411 292080 3280 bits
0001101000 1411 293550 1840 bits
30 0001101001 1411 294810 2960 bits
N/A 1411 266820 3840 bits
0001101001 1411 294510 1240 bits
31 0001100000 1411 291000 5960 bits
N/A 1411 287220 6640 bits
0001100000 1411 289710 1200 bits
32 - - -
- - -
- - -
33 0001101011 1411 294810 3160 bits
N/A 1411 293520 5200 bits
0001101011 1411 294510 760 bits
34 0000111011 1411 269190 9880 bits
N/A 1411 265140 1120 bits
0000111011 1411 269190 4360 bits
36 0000110011 1411 260010 200 bits
N/A 1411 259980 80 bits
0000110011 1411 259980 160 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