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]

1393 344550

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 14
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 4
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 0703 21F15 1315 0703 2915 1315
Key 937eea85693879a08f731eaf3631a4fb
SVID 10
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
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 1203 11F15 1015 1203 0415 1015
Key 937eea85693879a08f731eaf3631a4fb
SVID 18
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1800 21F15 2915 1800 3015 2915
Key 937eea85693879a08f731eaf3631a4fb
SVID 19
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1903 11F15 2915 1903 2115 2915
Key 937eea85693879a08f731eaf3631a4fb
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 2303 29F15 3315 2303 2615 3315
Key 937eea85693879a08f731eaf3631a4fb
SVID 27
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2703 36F15 2915 2703 3015 2915
Key 937eea85693879a08f731eaf3631a4fb
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 30
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 0000110111 1393 338880 560 bits
N/A 1393 338820 5760 bits
0000110111 1393 338850 520 bits
03 0000100000 1393 325260 360 bits
N/A 1393 325200 9200 bits
0000100000 1393 325230 400 bits
04 0000111111 1393 344520 2360 bits
N/A 1393 343380 1120 bits
0000111111 1393 343590 320 bits
05 0000010001 1393 317250 3840 bits
N/A 1393 316020 5440 bits
0000010001 1393 317190 1200 bits
06 0001111110 1393 305010 160 bits
N/A 1393 304920 760 bits
0001111110 1393 305010 80 bits
07 0001000001 1393 344520 80 bits
N/A 1393 344520 14160 bits
0000111111 1393 343530 360 bits
08 0000101101 1393 335970 11320 bits
N/A 1393 332400 12360 bits
0000101101 1393 335970 3440 bits
09 0000000101 1393 311610 6760 bits
N/A 1393 308460 3080 bits
0000000100 1393 308460 760 bits
10 0000111111 1393 344520 2040 bits
N/A 1393 343560 2280 bits
0000111111 1393 344190 840 bits
11 0000111100 1393 344490 6720 bits
N/A 1393 341760 1240 bits
0000111100 1393 343410 640 bits
12 0001000001 1393 344520 80 bits
N/A 1393 344520 5080 bits
0001000000 1393 344220 480 bits
13 0000101011 1393 334470 4040 bits
N/A 1393 330900 13040 bits
0000101011 1393 334290 1800 bits
14 - - -
- - -
- - -
15 0000011110 1393 323880 560 bits
N/A 1393 323820 5160 bits
0000011110 1393 323850 520 bits
16 0000011101 1393 326850 7320 bits
N/A 1393 284640 7960 bits
0000011101 1393 326730 1200 bits
18 - - -
- - -
- - -
19 0001000001 1393 344520 80 bits
N/A 1393 344520 2840 bits
0001000000 1393 344220 480 bits
21 0000111100 1393 344520 6000 bits
N/A 1393 341460 6000 bits
0000111100 1393 341490 40 bits
23 0001000001 1393 344520 80 bits
N/A 1393 344520 4920 bits
0001000000 1393 344220 440 bits
25 0000101001 1393 334530 7880 bits
N/A 1393 330360 1840 bits
0000101001 1393 333270 800 bits
26 0000110101 1393 337590 440 bits
N/A 1393 337560 10360 bits
0000110101 1393 337590 440 bits
27 0001000001 1393 344520 80 bits
N/A 1393 344520 8080 bits
0001000000 1393 344220 480 bits
28 - - -
- - -
- - -
29 0000111111 1393 344520 4400 bits
N/A 1393 343500 8760 bits
0000111111 1393 344190 1400 bits
30 0000111111 1393 344520 2480 bits
N/A 1393 343560 6880 bits
0000111111 1393 343590 440 bits
31 0000011011 1393 321720 80 bits
N/A 1393 321720 400 bits
0000011011 1393 321720 80 bits
32 - - -
- - -
- - -
33 0000111101 1393 342510 600 bits
N/A 1393 342480 7040 bits
0000111101 1393 342510 600 bits
34 0000001101 1393 317340 14160 bits
N/A 1393 313500 2360 bits
0000001101 1393 317190 1880 bits
36 0000111101 1393 344490 520 bits
N/A 1393 305100 120 bits
0001111110 1393 305100 200 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