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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]

1381 249390

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 6
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 0211 11F15 3615 0211 3015 3615
Key 787ee43b9fd0738b3145bfbe3d68874f
SVID 4
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0411 33F15 0615 0411 1015 0615
Key 787ee43b9fd0738b3145bfbe3d68874f
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 0911 10F15 0615 0911 1615 0615
Key 787ee43b9fd0738b3145bfbe3d68874f
SVID 10
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
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 1211 06F15 1015 1211 1115 1015
Key 787ee43b9fd0738b3145bfbe3d68874f
SVID 19
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1911 30F15 1015 1911 1115 1015
Key 787ee43b9fd0738b3145bfbe3d68874f
SVID 25
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 2911 11F15 3015 2911 0715 3015
Key 787ee43b9fd0738b3145bfbe3d68874f
SVID 30
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 0000100001 1381 249360 400 bits
N/A 1381 249360 2360 bits
0000100000 1381 249060 800 bits
03 0000111011 1381 192690 11080 bits
N/A 1381 188820 6120 bits
0000111011 1381 191850 2200 bits
04 0000100001 1381 249360 400 bits
N/A 1381 249360 5320 bits
0000100000 1381 249060 760 bits
05 0001110110 1381 228750 10320 bits
N/A 1381 223800 1240 bits
0001110110 1381 228750 2960 bits
06 0000100000 1381 249360 2760 bits
N/A 1381 248640 3200 bits
0000100000 1381 249030 760 bits
07 0000010110 1381 242730 320 bits
N/A 1381 242640 7800 bits
0000010110 1381 242670 280 bits
08 0000001011 1381 240210 7120 bits
N/A 1381 234540 3920 bits
0000001011 1381 240210 280 bits
09 0000100001 1381 249360 400 bits
N/A 1381 249360 2520 bits
0000100000 1381 249060 600 bits
10 0000011111 1381 249360 6320 bits
N/A 1381 248280 7120 bits
0000011111 1381 249030 1840 bits
11 0000100000 1381 249360 4080 bits
N/A 1381 248460 3480 bits
0000100000 1381 248490 40 bits
12 0000100001 1381 249360 400 bits
N/A 1381 249360 6560 bits
0000100000 1381 249060 800 bits
13 0001111110 1381 232770 12920 bits
N/A 1381 228780 7160 bits
0001111110 1381 232770 5320 bits
14 - - -
- - -
- - -
15 0001110001 1381 221460 800 bits
N/A 1381 221460 1760 bits
0001110001 1381 221460 800 bits
16 0000011110 1381 249360 3200 bits
N/A 1381 247680 8880 bits
0000011110 1381 248670 680 bits
18 - - -
- - -
- - -
19 0000100001 1381 249360 400 bits
N/A 1381 249360 4600 bits
0000100000 1381 249060 800 bits
21 0001110110 1381 228750 4560 bits
N/A 1381 223800 1720 bits
0001110101 1381 223830 760 bits
23 0000001011 1381 238050 3160 bits
N/A 1381 235860 2920 bits
0000001011 1381 235890 40 bits
25 0000011110 1381 249360 4600 bits
N/A 1381 247680 4840 bits
0000011110 1381 248430 1160 bits
26 0000001100 1381 240330 9200 bits
N/A 1381 236880 6840 bits
0000001100 1381 239010 3200 bits
27 0001101110 1381 219090 40 bits
N/A 1381 219060 720 bits
0001101110 1381 219090 40 bits
28 - - -
- - -
- - -
29 0000100001 1381 249360 400 bits
N/A 1381 249360 8480 bits
0000100000 1381 249060 800 bits
30 0000011110 1381 249360 280 bits
N/A 1381 209340 8720 bits
0001011101 1381 209370 680 bits
31 0000010101 1381 242220 400 bits
N/A 1381 242100 6520 bits
0000010101 1381 242190 440 bits
32 - - -
- - -
- - -
33 0000011110 1381 249360 6000 bits
N/A 1381 247440 6080 bits
0000011110 1381 248310 720 bits
34 0001100010 1381 216090 7160 bits
N/A 1381 212100 760 bits
0001100010 1381 212130 360 bits
36 0000100000 1381 249360 1240 bits
N/A 1381 248400 2280 bits
0000100000 1381 249030 400 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