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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]

1420 58140

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 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 3
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 5
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 8
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0815 13F15 0815 03F15 0815 3315
Key afcbf8d15d456deae43ec8dd0d74c121
SVID 9
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 10
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1015 11F15 1015 06F15 1015 0915
Key afcbf8d15d456deae43ec8dd0d74c121
SVID 12
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1215 31F15 1215 11F15 1215 3315
Key afcbf8d15d456deae43ec8dd0d74c121
SVID 14
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 03F15 1615 05F15 1615 3115
Key afcbf8d15d456deae43ec8dd0d74c121
SVID 25
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2515 03F15 2515 05F15 2515 0915
Key afcbf8d15d456deae43ec8dd0d74c121
SVID 26
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2615 33F15 2615 13F15 2615 3115
Key afcbf8d15d456deae43ec8dd0d74c121
SVID 31
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 32
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3215 03F15 3215 13F15 3215 0515
Key afcbf8d15d456deae43ec8dd0d74c121
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 0000100101 1420 23730 920 bits
N/A 1420 23280 2480 bits
0000100101 1420 23310 600 bits
03 0001011101 1420 58110 6480 bits
N/A 1420 56760 2800 bits
0001011101 1420 57810 1200 bits
04 0001010100 1420 53220 3680 bits
N/A 1420 51300 1920 bits
0001010100 1420 51330 360 bits
05 0001011101 1420 58110 6080 bits
N/A 1420 56640 3480 bits
0001011101 1420 57810 2200 bits
06 0001011100 1420 55920 80 bits
N/A 1420 55920 2920 bits
0001011100 1420 55890 40 bits
07 0000101000 1420 24750 120 bits
N/A 1420 24780 10480 bits
0000101000 1420 24780 160 bits
08 0001011111 1420 58110 600 bits
N/A 1420 58080 280 bits
0001011111 1420 57810 200 bits
09 0001011011 1420 58080 7200 bits
N/A 1420 55440 1160 bits
0001011011 1420 56670 720 bits
10 0001011111 1420 58110 600 bits
N/A 1420 58080 520 bits
0001011111 1420 57810 200 bits
11 0001000001 1420 39840 200 bits
N/A 1420 39720 6320 bits
0001000001 1420 39840 240 bits
12 0001011111 1420 58110 560 bits
N/A 1420 58080 720 bits
0001011111 1420 57810 160 bits
13 0001011000 1420 53610 200 bits
N/A 1420 53580 1680 bits
0001011000 1420 53610 200 bits
14 - - -
- - -
- - -
15 0001001100 1420 50520 4760 bits
N/A 1420 46560 1000 bits
0001001100 1420 48270 1320 bits
16 0001011111 1420 58110 600 bits
N/A 1420 58080 1960 bits
0001011111 1420 57810 200 bits
18 - - -
- - -
- - -
19 0001000010 1420 42870 2640 bits
N/A 1420 40260 6800 bits
0001000010 1420 40290 40 bits
21 0001001011 1420 45720 80 bits
N/A 1420 45720 440 bits
0001001011 1420 45690 40 bits
23 0001011001 1420 55770 5680 bits
N/A 1420 54180 2640 bits
0001011001 1420 55590 2600 bits
25 0001011111 1420 58110 600 bits
N/A 1420 58080 5080 bits
0001011111 1420 57810 200 bits
26 0001011111 1420 58110 600 bits
N/A 1420 58080 4040 bits
0001011111 1420 57810 200 bits
27 0000111101 1420 37380 160 bits
N/A 1420 37380 7080 bits
0000111101 1420 37380 160 bits
28 0001001110 1420 51840 12120 bits
N/A 1420 47880 280 bits
0001001110 1420 51330 2960 bits
29 0000110101 1420 36420 4880 bits
N/A 1420 32700 7680 bits
0000110101 1420 35130 840 bits
30 0000101111 1420 32790 4640 bits
N/A 1420 28920 1720 bits
0000101111 1420 28950 120 bits
31 0001011011 1420 58110 9320 bits
N/A 1420 55380 1480 bits
0001011011 1420 57810 2360 bits
32 0001011111 1420 58110 600 bits
N/A 1420 58080 1840 bits
0001011111 1420 57810 200 bits
33 0001011101 1420 58110 3600 bits
N/A 1420 56700 3680 bits
0001011101 1420 57810 1080 bits
34 0001001000 1420 46890 5640 bits
N/A 1420 43980 2240 bits
0001001000 1420 46890 3000 bits
36 0001000010 1420 43110 6600 bits
N/A 1420 40260 3000 bits
0001000010 1420 43110 1400 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