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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]

1390 515430

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 8
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 0215 36F15 3015 0215 0515 3015
Key de417e1bc3f6f601b2633b0b94e44d0b
SVID 3
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0315 31F15 0515 0315 0815 0515
Key de417e1bc3f6f601b2633b0b94e44d0b
SVID 5
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 0715 31F15 0815 0715 3315 0815
Key de417e1bc3f6f601b2633b0b94e44d0b
SVID 8
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 13
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1315 33F15 0815 1315 3015 0815
Key de417e1bc3f6f601b2633b0b94e44d0b
SVID 15
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1515 36F15 3015 1515 2715 3015
Key de417e1bc3f6f601b2633b0b94e44d0b
SVID 16
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1615 12F15 3315 1615 3115 3315
Key de417e1bc3f6f601b2633b0b94e44d0b
SVID 25
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2515 12F15 0515 2515 0815 0515
Key de417e1bc3f6f601b2633b0b94e44d0b
SVID 26
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2615 12F15 0815 2615 3315 0815
Key de417e1bc3f6f601b2633b0b94e44d0b
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 0001011111 1390 515400 720 bits
N/A 1390 515400 11840 bits
0001011111 1390 515100 320 bits
03 0001011111 1390 515400 720 bits
N/A 1390 515400 10560 bits
0001011111 1390 515100 320 bits
04 0001000010 1390 497610 200 bits
N/A 1390 497580 8360 bits
0001000010 1390 497610 200 bits
05 0001011110 1390 515400 5840 bits
N/A 1390 514200 12000 bits
0001011110 1390 515070 1440 bits
06 0001000100 1390 502890 8480 bits
N/A 1390 499080 9200 bits
0001000100 1390 501690 1680 bits
07 0001011111 1390 515400 720 bits
N/A 1390 515400 2120 bits
0001011111 1390 515100 320 bits
08 0001011101 1390 515400 10200 bits
N/A 1390 514140 4920 bits
0001011101 1390 515070 2320 bits
09 0001001101 1390 507030 5840 bits
N/A 1390 504540 9040 bits
0001001101 1390 507030 2120 bits
10 0000110011 1390 492450 11360 bits
N/A 1390 488460 3200 bits
0000110011 1390 492150 800 bits
11 0001000000 1390 496350 120 bits
N/A 1390 496320 7120 bits
0001000000 1390 496380 160 bits
12 0000101100 1390 488490 9960 bits
N/A 1390 484500 960 bits
0000101100 1390 488490 1160 bits
13 0001011111 1390 515400 720 bits
N/A 1390 515400 5160 bits
0001011111 1390 515100 320 bits
14 - - -
- - -
- - -
15 0001011111 1390 515400 720 bits
N/A 1390 515400 5120 bits
0001011111 1390 515100 320 bits
16 0001011111 1390 515400 720 bits
N/A 1390 515400 4640 bits
0001011111 1390 515100 320 bits
18 - - -
- - -
- - -
19 0000110011 1390 490710 6400 bits
N/A 1390 488640 5120 bits
0000110011 1390 489450 760 bits
21 0000111010 1390 496950 6480 bits
N/A 1390 453660 7920 bits
0000111010 1390 496890 360 bits
23 0001000111 1390 504330 9040 bits
N/A 1390 500580 1320 bits
0001000111 1390 504150 1040 bits
25 0001011111 1390 515400 720 bits
N/A 1390 515400 10280 bits
0001011111 1390 515100 320 bits
26 0001011111 1390 515400 720 bits
N/A 1390 515400 760 bits
0001011111 1390 515100 320 bits
27 0001000010 1390 498030 760 bits
N/A 1390 498000 4880 bits
0001000010 1390 498000 720 bits
28 - - -
- - -
- - -
29 0000100100 1390 483030 7200 bits
N/A 1390 479640 2120 bits
0000100100 1390 480570 360 bits
30 0000111111 1390 499320 6920 bits
N/A 1390 495660 2560 bits
0000111111 1390 499110 760 bits
31 0001011000 1390 511140 600 bits
N/A 1390 511020 1480 bits
0001011000 1390 511110 480 bits
32 - - -
- - -
- - -
33 0000011101 1390 479730 10480 bits
N/A 1390 475740 4560 bits
0000011101 1390 478410 3800 bits
34 0001010111 1390 513990 10800 bits
N/A 1390 510000 13120 bits
0001010111 1390 513990 2120 bits
36 0001001101 1390 504300 280 bits
N/A 1390 504240 7040 bits
0001001101 1390 504270 280 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