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]

1413 315780

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 4
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 6
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 18
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1800 27F15 1800 30F15 1800 2115
Key e05ee8a7cbb83db6fac19c7cf856bfb1
SVID 19
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 21
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 23
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2304 19F04 2315 28F15 2304 3115
Key e05ee8a7cbb83db6fac19c7cf856bfb1
SVID 27
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 Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 34
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3404 30F15 3415 27F15 3404 0915
Key e05ee8a7cbb83db6fac19c7cf856bfb1
SVID 36
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3601 09F15 3615 06F15 3601 0415
Key e05ee8a7cbb83db6fac19c7cf856bfb1

Authenticated Data

02 0001111101 1413 305790 1480 bits
N/A 1413 304440 120 bits
0001111101 1413 305790 600 bits
03 0001100111 1413 291360 200 bits
N/A 1413 291360 4480 bits
0001100111 1413 291330 160 bits
04 0000001110 1413 315630 2200 bits
N/A 1413 313980 1400 bits
0000001110 1413 315450 520 bits
05 0001011001 1413 286050 5920 bits
N/A 1413 282660 7400 bits
0001011001 1413 285870 280 bits
06 0000001110 1413 315750 1680 bits
N/A 1413 313980 1200 bits
0000001110 1413 314850 680 bits
07 0000000111 1413 311430 2160 bits
N/A 1413 310140 680 bits
0000000111 1413 310170 480 bits
08 0001110111 1413 303780 2440 bits
N/A 1413 300660 9560 bits
0001110111 1413 300810 280 bits
09 0001001011 1413 278730 7760 bits
N/A 1413 274740 2680 bits
0001001011 1413 278730 720 bits
10 0000001001 1413 314850 4120 bits
N/A 1413 311160 1440 bits
0000001001 1413 311190 440 bits
11 0000001111 1413 314850 520 bits
N/A 1413 314820 3120 bits
0000001111 1413 314850 520 bits
12 0000000101 1413 312930 6200 bits
N/A 1413 308940 800 bits
0000000101 1413 311190 1200 bits
13 0001110001 1413 297420 480 bits
N/A 1413 297420 13800 bits
0001110001 1413 297420 480 bits
14 - - -
- - -
- - -
15 0001100011 1413 292680 4600 bits
N/A 1413 289080 10880 bits
0001100011 1413 289170 440 bits
16 0001100111 1413 295020 3760 bits
N/A 1413 290940 760 bits
0001100111 1413 294930 480 bits
18 - - -
- - -
- - -
19 0000010001 1413 315750 200 bits
N/A 1413 315600 1640 bits
0000010000 1413 315450 520 bits
21 0000001110 1413 315750 5440 bits
N/A 1413 314040 2320 bits
0000001110 1413 315450 1560 bits
23 0000010001 1413 315750 120 bits
N/A 1413 315720 3000 bits
0000010000 1413 315450 320 bits
25 0001101101 1413 298110 5720 bits
N/A 1413 294900 1240 bits
0001101101 1413 295470 600 bits
26 0001111011 1413 303660 800 bits
N/A 1413 303660 10840 bits
0001111011 1413 303630 760 bits
27 0000001110 1413 315750 4280 bits
N/A 1413 314040 2920 bits
0000001110 1413 315450 1120 bits
28 0000010000 1413 315750 1000 bits
N/A 1413 315540 1400 bits
0000010000 1413 315450 520 bits
29 0000001111 1413 315630 1760 bits
N/A 1413 314760 2000 bits
0000001111 1413 314790 440 bits
30 0000001100 1413 315750 4880 bits
N/A 1413 312660 1800 bits
0000001100 1413 315450 880 bits
31 0001100000 1413 287340 640 bits
N/A 1413 287340 3000 bits
0001100000 1413 287400 720 bits
32 0001101010 1413 296970 11560 bits
N/A 1413 293100 5680 bits
0001101010 1413 296790 3840 bits
33 0000000101 1413 308580 120 bits
N/A 1413 308580 560 bits
0000000101 1413 308580 160 bits
34 0000010001 1413 315750 120 bits
N/A 1413 315720 520 bits
0000010000 1413 315450 520 bits
36 0000001010 1413 315750 3800 bits
N/A 1413 311760 800 bits
0000001010 1413 311790 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 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