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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]

1393 542250

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 7
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 0213 12F15 3615 0213 2515 3615
Key c78dbfc5774731f6e9ad17d8ebeade71
SVID 7
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0713 36F15 2715 0713 2915 2715
Key c78dbfc5774731f6e9ad17d8ebeade71
SVID 8
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0813 36F15 1515 0813 0313 1515
Key c78dbfc5774731f6e9ad17d8ebeade71
SVID 10
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1013 29F15 1215 1013 0415 1215
Key c78dbfc5774731f6e9ad17d8ebeade71
SVID 11
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1113 04F15 3615 1113 1215 3615
Key c78dbfc5774731f6e9ad17d8ebeade71
SVID 18
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 25
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 27
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 3013 12F15 2915 3013 2715 2915
Key c78dbfc5774731f6e9ad17d8ebeade71
SVID 34
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3413 25F15 1515 3413 3615 1515
Key c78dbfc5774731f6e9ad17d8ebeade71
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 0000001101 1393 542220 480 bits
N/A 1393 542220 10440 bits
0000001101 1393 541920 80 bits
03 0000000010 1393 539130 3760 bits
N/A 1393 535200 5920 bits
0000000010 1393 539130 360 bits
04 0001011111 1393 515370 320 bits
N/A 1393 515340 6920 bits
0001011111 1393 515370 320 bits
05 0001111011 1393 531690 40 bits
N/A 1393 531660 5760 bits
0001111011 1393 531690 40 bits
06 0001100111 1393 520020 400 bits
N/A 1393 519960 600 bits
0001100111 1393 519990 360 bits
07 0000001101 1393 542220 480 bits
N/A 1393 542220 5800 bits
0000001101 1393 541920 80 bits
08 0000001101 1393 542220 480 bits
N/A 1393 542220 7160 bits
0000001101 1393 541920 80 bits
09 0001101101 1393 527550 6840 bits
N/A 1393 523560 1520 bits
0001101101 1393 523590 440 bits
10 0000001101 1393 542220 480 bits
N/A 1393 542220 6640 bits
0000001101 1393 541920 80 bits
11 0000001101 1393 542220 480 bits
N/A 1393 542220 4960 bits
0000001101 1393 541920 80 bits
12 0000000001 1393 539190 9520 bits
N/A 1393 535080 3000 bits
0000000001 1393 539190 2600 bits
13 0001101101 1393 523560 400 bits
N/A 1393 523560 960 bits
0001101101 1393 523530 360 bits
14 - - -
- - -
- - -
15 0001100101 1393 522270 8600 bits
N/A 1393 518460 2600 bits
0001100101 1393 519930 1000 bits
16 0001111100 1393 535950 9800 bits
N/A 1393 532740 4600 bits
0001111100 1393 535110 2440 bits
18 - - -
- - -
- - -
19 0001001011 1393 506550 5480 bits
N/A 1393 502800 6960 bits
0001001011 1393 505050 880 bits
21 0001010010 1393 511350 6760 bits
N/A 1393 507480 4160 bits
0001010010 1393 511230 1760 bits
23 0001100011 1393 517440 240 bits
N/A 1393 517440 4440 bits
0001100011 1393 517440 240 bits
25 0000001001 1393 542220 8680 bits
N/A 1393 539760 6400 bits
0000001001 1393 541290 1520 bits
26 0001101101 1393 523770 520 bits
N/A 1393 523500 160 bits
0001101101 1393 523740 360 bits
27 0000001010 1393 542220 5520 bits
N/A 1393 500760 1400 bits
0000001010 1393 541890 680 bits
28 - - -
- - -
- - -
29 0000001001 1393 542220 12000 bits
N/A 1393 539700 360 bits
0000001001 1393 541890 1320 bits
30 0000001101 1393 542220 480 bits
N/A 1393 542220 4920 bits
0000001101 1393 541920 80 bits
31 0001101011 1393 525900 8760 bits
N/A 1393 522240 2120 bits
0001101011 1393 523710 480 bits
32 - - -
- - -
- - -
33 0001111001 1393 530820 400 bits
N/A 1393 530820 2640 bits
0001111001 1393 530760 400 bits
34 0000001101 1393 542220 480 bits
N/A 1393 542220 2400 bits
0000001101 1393 541920 80 bits
36 0000001000 1393 542220 16960 bits
N/A 1393 539340 1560 bits
0000001000 1393 541890 2480 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