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]

1409 188400

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 4
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 Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 4
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 12F15 1015 19F15 1015 2815
Key 245ca1c2b8948fa07a4a3b4fc5d02310
SVID 11
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1115 25F15 1115 02F15 1115 3615
Key 245ca1c2b8948fa07a4a3b4fc5d02310
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 1615 06F15 1613 2515
Key 245ca1c2b8948fa07a4a3b4fc5d02310
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 Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 28
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 2915 19F15 2915 12F15 2915 3015
Key 245ca1c2b8948fa07a4a3b4fc5d02310
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 0000110110 1409 188370 8000 bits
N/A 1409 185940 1960 bits
0000110110 1409 185970 680 bits
03 0000101001 1409 178710 1920 bits
N/A 1409 178140 2520 bits
0000101001 1409 178710 1040 bits
04 0000111010 1409 188370 280 bits
N/A 1409 187800 600 bits
0000111001 1409 187830 760 bits
05 0000100101 1409 175710 600 bits
N/A 1409 175680 440 bits
0000100101 1409 175680 560 bits
06 0000011100 1409 173790 7440 bits
N/A 1409 169920 8720 bits
0000011100 1409 172290 960 bits
07 0000110100 1409 185970 4960 bits
N/A 1409 184320 2600 bits
0000110100 1409 185970 520 bits
08 0000101010 1409 182370 10040 bits
N/A 1409 178380 2640 bits
0000101010 1409 182250 1560 bits
09 0000100000 1409 173760 1840 bits
N/A 1409 172260 5320 bits
0000011111 1409 172260 800 bits
10 0000111010 1409 188370 680 bits
N/A 1409 188340 5920 bits
0000111010 1409 188070 280 bits
11 0000111010 1409 188370 720 bits
N/A 1409 188340 2400 bits
0000111010 1409 188070 200 bits
12 0000111001 1409 188370 2640 bits
N/A 1409 187740 4360 bits
0000111001 1409 188070 1080 bits
13 0000011011 1409 169500 320 bits
N/A 1409 169500 6760 bits
0000011011 1409 169470 280 bits
14 - - -
- - -
- - -
15 0000001010 1409 162150 7160 bits
N/A 1409 159180 2280 bits
0000001111 1409 162180 40 bits
16 0000111010 1409 188370 480 bits
N/A 1409 188340 2560 bits
0000111010 1409 188070 80 bits
18 - - -
- - -
- - -
19 0000111000 1409 188370 5640 bits
N/A 1409 186900 800 bits
0000111000 1409 187770 1080 bits
21 0000010011 1409 166290 5640 bits
N/A 1409 164820 9960 bits
0000010011 1409 166290 1920 bits
23 0000100101 1409 175500 280 bits
N/A 1409 175500 1360 bits
0000100101 1409 175470 240 bits
25 0000110110 1409 188370 10640 bits
N/A 1409 185880 5640 bits
0000110110 1409 188070 4200 bits
26 0000101000 1409 177300 280 bits
N/A 1409 177180 1000 bits
0000101000 1409 177180 160 bits
27 0001111101 1409 156030 6600 bits
N/A 1409 151920 6920 bits
0001111101 1409 156030 1200 bits
28 0000110110 1409 188340 5440 bits
N/A 1409 185580 80 bits
0000110110 1409 187830 1600 bits
29 0000111010 1409 188370 680 bits
N/A 1409 188340 1600 bits
0000111010 1409 188070 280 bits
30 0001110101 1409 147390 440 bits
N/A 1409 147360 2840 bits
0001110101 1409 147360 400 bits
31 0000110000 1409 184050 2480 bits
N/A 1409 181800 2280 bits
0000101111 1409 181830 760 bits
32 0000101011 1409 179460 800 bits
N/A 1409 179460 1440 bits
0000101011 1409 179460 800 bits
33 0000110110 1409 185790 440 bits
N/A 1409 185760 1840 bits
0000110110 1409 185790 440 bits
34 0000000100 1409 159210 6400 bits
N/A 1409 155580 1720 bits
0000000100 1409 159210 1160 bits
36 0000111010 1409 188340 320 bits
N/A 1409 187860 3920 bits
0000111010 1409 187890 40 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