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]

1419 575940

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 7
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 11F15 0215 36F15 0215 3015
Key 0e74d39a7d0259992fad169c9e6d350f
SVID 7
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 8
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 0815 30F15 0815 07F15 0815 0315
Key 0e74d39a7d0259992fad169c9e6d350f
SVID 10
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1015 11F15 1015 25F15 1015 1915
Key 0e74d39a7d0259992fad169c9e6d350f
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 1209 19F15 1215 29F15 1209 1115
Key 0e74d39a7d0259992fad169c9e6d350f
SVID 14
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1400 11F15 1400 25F15 1400 3615
Key 0e74d39a7d0259992fad169c9e6d350f
SVID 25
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 27
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2715 07F15 2715 30F15 2715 2115
Key 0e74d39a7d0259992fad169c9e6d350f
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 32
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3215 03F15 3215 34F15 3215 1515
Key 0e74d39a7d0259992fad169c9e6d350f
SVID 34
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 0001000101 1419 575910 1000 bits
N/A 1419 575880 4040 bits
0001000101 1419 575610 120 bits
03 0001000011 1419 575910 3440 bits
N/A 1419 574740 2680 bits
0001000011 1419 575610 1240 bits
04 0000011000 1419 550050 2920 bits
N/A 1419 548760 9600 bits
0000011000 1419 548790 440 bits
05 0000111000 1419 567900 320 bits
N/A 1419 567900 560 bits
0000111000 1419 567900 320 bits
06 0000100000 1419 556530 4840 bits
N/A 1419 553620 10280 bits
0000100000 1419 556530 560 bits
07 0001000101 1419 575910 1080 bits
N/A 1419 575520 4440 bits
0001000101 1419 575610 160 bits
08 0001000101 1419 575910 600 bits
N/A 1419 575880 2040 bits
0001000101 1419 575610 200 bits
09 0000101001 1419 559230 760 bits
N/A 1419 559200 7960 bits
0000101001 1419 559200 720 bits
10 0001000101 1419 575910 600 bits
N/A 1419 575880 3000 bits
0001000101 1419 575610 200 bits
11 0001000001 1419 575910 8960 bits
N/A 1419 573540 3160 bits
0001000001 1419 575490 2280 bits
12 0001000101 1419 575910 320 bits
N/A 1419 575880 3440 bits
0001000011 1419 575610 1160 bits
13 0000110000 1419 563400 720 bits
N/A 1419 563400 3640 bits
0000110000 1419 563430 760 bits
14 - - -
- - -
- - -
15 0000101100 1419 560550 80 bits
N/A 1419 560520 4480 bits
0000101100 1419 560520 40 bits
16 0000110110 1419 570570 10800 bits
N/A 1419 566520 320 bits
0000110110 1419 570570 3320 bits
18 - - -
- - -
- - -
19 0000001000 1419 539250 160 bits
N/A 1419 539220 6520 bits
0000001000 1419 539220 120 bits
21 0000010010 1419 547620 3720 bits
N/A 1419 545100 3360 bits
0000010010 1419 547410 1280 bits
23 0000011111 1419 553200 720 bits
N/A 1419 553200 2560 bits
0000011111 1419 553200 720 bits
25 0001000011 1419 575910 3440 bits
N/A 1419 574560 1880 bits
0001000011 1419 575190 640 bits
26 0000110101 1419 566370 440 bits
N/A 1419 565560 520 bits
0000110101 1419 566370 240 bits
27 0001000101 1419 575910 600 bits
N/A 1419 575880 720 bits
0001000101 1419 575610 200 bits
28 0000010000 1419 547530 8120 bits
N/A 1419 543660 5360 bits
0000010000 1419 546930 1080 bits
29 0001000010 1419 575910 4120 bits
N/A 1419 573960 480 bits
0001000010 1419 574650 800 bits
30 0001000010 1419 575910 8680 bits
N/A 1419 574080 3200 bits
0001000010 1419 575610 2640 bits
31 0000101100 1419 560850 520 bits
N/A 1419 560820 4840 bits
0000101100 1419 560850 520 bits
32 0001000101 1419 575910 600 bits
N/A 1419 575880 1360 bits
0001000101 1419 575610 200 bits
33 0000111011 1419 573150 5520 bits
N/A 1419 569520 1120 bits
0000111011 1419 570810 920 bits
34 0001000101 1419 575910 200 bits
N/A 1419 556860 4560 bits
0000100110 1419 556890 40 bits
36 0001000010 1419 575910 4000 bits
N/A 1419 573900 1400 bits
0001000010 1419 573930 360 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