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]

1395 184680

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 0214 03F15 0215 11F15 0214 3315
Key 44273e64ac65eb76f0d3835568544b74
SVID 3
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 7
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0714 33F15 0715 13F15 0714 0315
Key 44273e64ac65eb76f0d3835568544b74
SVID 8
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0814 03F15 0815 33F15 0814 1315
Key 44273e64ac65eb76f0d3835568544b74
SVID 10
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1014 16F15 1015 11F15 1014 3615
Key 44273e64ac65eb76f0d3835568544b74
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 1214 16F15 1215 11F15 1214 3315
Key 44273e64ac65eb76f0d3835568544b74
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 Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 25
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2514 16F15 2515 11F15 2514 0315
Key 44273e64ac65eb76f0d3835568544b74
SVID 30
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3014 03F15 3015 13F15 3014 3315
Key 44273e64ac65eb76f0d3835568544b74
SVID 32
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA

Authenticated Data

02 0000110100 1395 184650 520 bits
N/A 1395 184620 6960 bits
0000110100 1395 184350 120 bits
03 0000110001 1395 184650 11040 bits
N/A 1395 182460 3360 bits
0000110001 1395 184350 2760 bits
04 0000010111 1395 167310 600 bits
N/A 1395 167340 9960 bits
0000010111 1395 167340 640 bits
05 0000110010 1395 183660 800 bits
N/A 1395 183600 4840 bits
0000110010 1395 183630 760 bits
06 0000011110 1395 175200 9640 bits
N/A 1395 171120 9280 bits
0000011110 1395 173490 2760 bits
07 0000110100 1395 184650 520 bits
N/A 1395 184620 1840 bits
0000110100 1395 184350 120 bits
08 0000110100 1395 184650 520 bits
N/A 1395 184620 2240 bits
0000110100 1395 184350 120 bits
09 0000100010 1395 177330 11800 bits
N/A 1395 173460 10080 bits
0000100010 1395 175050 1080 bits
10 0000110100 1395 184650 520 bits
N/A 1395 184620 1400 bits
0000110100 1395 184350 120 bits
11 0000110000 1395 184650 10000 bits
N/A 1395 182340 640 bits
0000110000 1395 182370 680 bits
12 0000110100 1395 184650 520 bits
N/A 1395 184620 1680 bits
0000110100 1395 184350 120 bits
13 0000100101 1395 175530 360 bits
N/A 1395 175500 200 bits
0000100101 1395 175530 360 bits
14 - - -
- - -
- - -
15 0000011110 1395 173430 4720 bits
N/A 1395 171480 4600 bits
0000011110 1395 171930 880 bits
16 0000110001 1395 184650 11000 bits
N/A 1395 182760 4920 bits
0000110001 1395 184350 3480 bits
18 - - -
- - -
- - -
19 0000000001 1395 157830 9360 bits
N/A 1395 153960 8160 bits
0000000001 1395 157830 3240 bits
21 0000001001 1395 162330 10320 bits
N/A 1395 158700 4200 bits
0000001001 1395 162330 1520 bits
23 0000011011 1395 169410 200 bits
N/A 1395 169320 3840 bits
0000011011 1395 169410 200 bits
25 0000110100 1395 184650 520 bits
N/A 1395 184620 4800 bits
0000110100 1395 184350 120 bits
26 0000011110 1395 175410 5600 bits
N/A 1395 137460 2840 bits
0000011110 1395 175410 2240 bits
27 0000000001 1395 155160 1880 bits
N/A 1395 152700 3120 bits
0000000001 1395 153990 40 bits
28 - - -
- - -
- - -
29 0001110110 1395 147870 280 bits
N/A 1395 147840 7240 bits
0001110110 1395 147870 280 bits
30 0000110100 1395 184650 520 bits
N/A 1395 184620 880 bits
0000110100 1395 184350 120 bits
31 0000101000 1395 179070 3880 bits
N/A 1395 177120 2440 bits
0000101000 1395 178890 200 bits
32 - - -
- - -
- - -
33 0000110001 1395 184650 10640 bits
N/A 1395 182640 2000 bits
0000110001 1395 184350 680 bits
34 0000011011 1395 169830 720 bits
N/A 1395 169800 9360 bits
0000011011 1395 169830 720 bits
36 0000010101 1395 165990 440 bits
N/A 1395 165960 9680 bits
0000010101 1395 165990 440 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