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 339900

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 6
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 7
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0708 30F15 0715 02F15 0708 0815
Key c436025f418caa2a3abb6b6bde6fb071
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 Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 18
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1800 08F15 1800 30F15 1800 0215
Key c436025f418caa2a3abb6b6bde6fb071
SVID 26
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2608 19F15 2615 30F15 2608 0415
Key c436025f418caa2a3abb6b6bde6fb071
SVID 27
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags - - - - - -
Key Tesla Key not fully received
SVID 29
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2908 19F15 2915 10F15 2908 3015
Key c436025f418caa2a3abb6b6bde6fb071
SVID 30
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 32
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 33
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3308 19F15 3315 10F15 3308 0415
Key c436025f418caa2a3abb6b6bde6fb071

Authenticated Data

02 0000110101 1395 339870 9960 bits
N/A 1395 337620 5960 bits
0000110101 1395 339390 1480 bits
03 0000110010 1395 339510 14240 bits
N/A 1395 335520 11360 bits
0000110010 1395 339510 4400 bits
04 0000000111 1395 313530 13440 bits
N/A 1395 309960 1360 bits
0000000111 1395 313530 3160 bits
05 0000100010 1395 329070 11800 bits
N/A 1395 325860 8160 bits
0000100010 1395 328410 1800 bits
06 0000001110 1395 314130 360 bits
N/A 1395 314100 3880 bits
0000001110 1395 314130 360 bits
07 0000111001 1395 339870 280 bits
N/A 1395 339840 9200 bits
0000111000 1395 339570 680 bits
08 0000110101 1395 339870 10440 bits
N/A 1395 337680 12480 bits
0000110101 1395 339570 1920 bits
09 0000001111 1395 318510 9800 bits
N/A 1395 314880 4600 bits
0000001111 1395 318510 1360 bits
10 0001111001 1395 304950 5360 bits
N/A 1395 301920 9120 bits
0001111001 1395 301920 80 bits
11 0000000100 1395 308100 280 bits
N/A 1395 308100 720 bits
0000000100 1395 308100 320 bits
12 0000110100 1395 339510 3720 bits
N/A 1395 294360 8920 bits
0001101100 1395 297330 5080 bits
13 0000110101 1395 337410 200 bits
N/A 1395 337380 11560 bits
0000110101 1395 337380 160 bits
14 - - -
- - -
- - -
15 0000100111 1395 332790 13080 bits
N/A 1395 328800 11160 bits
0000100111 1395 332190 2160 bits
16 0000101100 1395 332220 440 bits
N/A 1395 332160 4360 bits
0000101100 1395 332190 400 bits
18 - - -
- - -
- - -
19 0001110111 1395 300750 120 bits
N/A 1395 300720 5920 bits
0001110111 1395 300900 200 bits
21 0000010100 1395 317730 360 bits
N/A 1395 317700 2840 bits
0000010100 1395 317700 320 bits
23 0000001001 1395 315090 160 bits
N/A 1395 274500 7120 bits
0001001011 1395 278250 7920 bits
25 0000111001 1395 339870 280 bits
N/A 1395 339840 7400 bits
0000111000 1395 339570 680 bits
26 0000111001 1395 339870 280 bits
N/A 1395 339840 9600 bits
0000111000 1395 339570 680 bits
27 0000111000 1395 339600 40 bits
N/A 1395 338220 4200 bits
0000110110 1395 338220 480 bits
28 - - -
- - -
- - -
29 0000111001 1395 339870 280 bits
N/A 1395 339840 1920 bits
0000111000 1395 339570 640 bits
30 0000111000 1395 339870 2600 bits
N/A 1395 339360 6920 bits
0000111000 1395 339570 560 bits
31 0000011101 1395 323070 280 bits
N/A 1395 323040 400 bits
0000011101 1395 323130 320 bits
32 - - -
- - -
- - -
33 0000111001 1395 339870 280 bits
N/A 1395 339840 3880 bits
0000111000 1395 339570 680 bits
34 0000100000 1395 328890 15120 bits
N/A 1395 324840 8600 bits
0000100000 1395 328890 3360 bits
36 0000010011 1395 317190 440 bits
N/A 1395 317160 5000 bits
0000010011 1395 317160 400 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