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]

1399 202650

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 11
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 03F15 0715 0213 3615 0715
Key 3a3a70feb056b190a891240e6f914102
SVID 10
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1013 33F15 1215 1013 1915 1215
Key 3a3a70feb056b190a891240e6f914102
SVID 11
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1112 07F15 3615 1112 1215 3615
Key 3a3a70feb056b190a891240e6f914102
SVID 12
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 1613 09F15 3115 1613 3615 3115
Key 3a3a70feb056b190a891240e6f914102
SVID 19
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 2513 03F15 3615 2513 1215 3615
Key 3a3a70feb056b190a891240e6f914102
SVID 28
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2813 33F15 0415 2813 1915 0415
Key 3a3a70feb056b190a891240e6f914102
SVID 29
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2913 07F15 3315 2913 1215 3315
Key 3a3a70feb056b190a891240e6f914102
SVID 33
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 0001010010 1399 202620 480 bits
N/A 1399 202620 1000 bits
0001010010 1399 202320 80 bits
03 0000111111 1399 195210 12440 bits
N/A 1399 191340 2240 bits
0000111111 1399 195210 4040 bits
04 0000101011 1399 186450 28440 bits
N/A 1399 179100 2720 bits
0000101011 1399 180690 3880 bits
05 0001000001 1399 192660 800 bits
N/A 1399 192660 5680 bits
0001000001 1399 192660 800 bits
06 0000110100 1399 188550 19120 bits
N/A 1399 184620 3480 bits
0000110100 1399 188370 3280 bits
07 0001010001 1399 202620 1320 bits
N/A 1399 195780 200 bits
0001010001 1399 202290 120 bits
08 0001000110 1399 198630 7960 bits
N/A 1399 194760 880 bits
0001000110 1399 198630 1720 bits
09 0000111010 1399 191910 12960 bits
N/A 1399 188340 6560 bits
0000111010 1399 191730 2120 bits
10 0001010010 1399 202620 480 bits
N/A 1399 202620 6120 bits
0001010010 1399 202320 80 bits
11 0001010010 1399 202620 440 bits
N/A 1399 202620 2400 bits
0001010010 1399 202320 40 bits
12 0001010001 1399 202620 2840 bits
N/A 1399 202020 9240 bits
0001010001 1399 202290 600 bits
13 0000110111 1399 186450 520 bits
N/A 1399 186420 6000 bits
0000110111 1399 186450 520 bits
14 - - -
- - -
- - -
15 0000101010 1399 180120 2000 bits
N/A 1399 177900 2960 bits
0000101001 1399 177930 360 bits
16 0001010010 1399 202620 480 bits
N/A 1399 202620 12240 bits
0001010010 1399 202320 80 bits
18 - - -
- - -
- - -
19 0001010000 1399 202620 1400 bits
N/A 1399 176760 2200 bits
0000101000 1399 179130 1440 bits
21 0000101101 1399 183990 12880 bits
N/A 1399 180480 3320 bits
0000101101 1399 183990 2240 bits
23 0000111101 1399 194010 16520 bits
N/A 1399 190020 8600 bits
0000111101 1399 191730 3680 bits
25 0001010010 1399 202620 480 bits
N/A 1399 202620 5600 bits
0001010010 1399 202320 80 bits
26 0001000100 1399 194220 200 bits
N/A 1399 194220 6160 bits
0001000100 1399 194220 200 bits
27 0000011110 1399 174990 9760 bits
N/A 1399 171000 7800 bits
0000011110 1399 174810 3240 bits
28 0001010010 1399 202620 80 bits
N/A 1399 202620 3840 bits
0000101110 1399 182610 1120 bits
29 0001010010 1399 202620 480 bits
N/A 1399 202620 320 bits
0001010010 1399 202320 80 bits
30 0000010010 1399 164250 520 bits
N/A 1399 164220 8160 bits
0000010010 1399 164250 520 bits
31 0001001111 1399 200670 240 bits
N/A 1399 200640 16800 bits
0001001111 1399 200670 280 bits
32 - - -
- - -
- - -
33 0001001101 1399 202620 7280 bits
N/A 1399 199380 8400 bits
0001001101 1399 202290 1440 bits
34 0000011101 1399 173550 6600 bits
N/A 1399 166080 920 bits
0000011101 1399 172950 920 bits
36 0001010001 1399 202620 3120 bits
N/A 1399 202080 440 bits
0001010001 1399 202290 640 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