Input Options:

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]

1408 125370

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 9
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 5
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 7
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 Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 12
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1215 07F15 1115 1215 3315 1115
Key 34784e6ba5bb0de36f5a52501befb6cd
SVID 13
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1315 08F15 1515 1315 0715 1515
Key 34784e6ba5bb0de36f5a52501befb6cd
SVID 19
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1915 07F15 2115 1915 0415 2115
Key 34784e6ba5bb0de36f5a52501befb6cd
SVID 25
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 2615 21F15 0715 2615 3315 0715
Key 34784e6ba5bb0de36f5a52501befb6cd
SVID 29
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2915 04F15 3315 2915 0715 3315
Key 34784e6ba5bb0de36f5a52501befb6cd
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 0000100011 1408 97920 80 bits
N/A 1408 97920 6520 bits
0000100011 1408 97920 80 bits
03 0001001001 1408 120690 40 bits
N/A 1408 120660 10160 bits
0001001001 1408 120690 40 bits
04 0000100100 1408 98730 280 bits
N/A 1408 98640 960 bits
0000100100 1408 98700 280 bits
05 0000111011 1408 112800 720 bits
N/A 1408 112800 6400 bits
0000111011 1408 112770 680 bits
06 0000101010 1408 102180 160 bits
N/A 1408 102120 4360 bits
0000101010 1408 102150 120 bits
07 0001001101 1408 125340 10080 bits
N/A 1408 123000 7400 bits
0001001101 1408 125010 2920 bits
08 0001001100 1408 125340 7760 bits
N/A 1408 122400 6720 bits
0001001100 1408 123630 840 bits
09 0000101111 1408 105600 720 bits
N/A 1408 105540 1920 bits
0000101111 1408 105570 680 bits
10 0000010001 1408 87150 80 bits
N/A 1408 87120 40 bits
0000010001 1408 87090 40 bits
11 0000010110 1408 94050 11880 bits
N/A 1408 90000 1960 bits
0000010110 1408 93390 2000 bits
12 0001010000 1408 125340 160 bits
N/A 1408 125340 80 bits
0000001001 1408 83430 1400 bits
13 0001010000 1408 125340 640 bits
N/A 1408 125340 14760 bits
0001010000 1408 125040 240 bits
14 - - -
- - -
- - -
15 0001000110 1408 119100 40 bits
N/A 1408 115020 9560 bits
0000111111 1408 119070 440 bits
16 0001001111 1408 124440 240 bits
N/A 1408 124380 1720 bits
0001001111 1408 124410 200 bits
18 - - -
- - -
- - -
19 0001010000 1408 125340 320 bits
N/A 1408 125340 2560 bits
0000011100 1408 94290 520 bits
21 0001000001 1408 116370 680 bits
N/A 1408 116340 8920 bits
0001000001 1408 116370 680 bits
23 0001000010 1408 120870 12280 bits
N/A 1408 116880 7280 bits
0001000010 1408 118050 2160 bits
25 0001001100 1408 125340 4640 bits
N/A 1408 122820 1200 bits
0001001100 1408 123150 400 bits
26 0001010000 1408 125340 640 bits
N/A 1408 125340 10640 bits
0001010000 1408 125040 240 bits
27 0000111001 1408 111360 400 bits
N/A 1408 111360 8800 bits
0000111001 1408 111330 360 bits
28 0000100000 1408 96540 560 bits
N/A 1408 96480 1600 bits
0000100000 1408 96540 640 bits
29 0001010000 1408 125340 640 bits
N/A 1408 125340 5360 bits
0001010000 1408 125040 240 bits
30 0000101101 1408 108030 14440 bits
N/A 1408 104100 7200 bits
0000101101 1408 107910 2800 bits
31 0001001001 1408 124710 6640 bits
N/A 1408 120720 5160 bits
0001001001 1408 122550 520 bits
32 0001010000 1408 125160 400 bits
N/A 1408 125100 6320 bits
0001010000 1408 125040 240 bits
33 0001001100 1408 125340 9240 bits
N/A 1408 122520 1800 bits
0001001100 1408 125010 520 bits
34 0000110101 1408 111930 9960 bits
N/A 1408 108780 7440 bits
0000110101 1408 108810 200 bits
36 0000100010 1408 101430 14400 bits
N/A 1408 97440 5480 bits
0000100010 1408 101430 3640 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