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]

1398 547320

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 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 7
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 10
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1002 12F15 1015 11F15 1002 3615
Key eeba04718f46511db4a2c0d6b662d113
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 Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 16
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 1602 12F15 1615 11F15 1602 0315
Key eeba04718f46511db4a2c0d6b662d113
SVID 18
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags Not transmitting OSNMA
Key Not transmitting OSNMA
SVID 25
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2502 03F15 2515 12F15 2502 1115
Key eeba04718f46511db4a2c0d6b662d113
SVID 26
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2602 07F15 2615 19F15 2602 2115
Key eeba04718f46511db4a2c0d6b662d113
SVID 29
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 2902 19F15 2915 07F15 2902 2115
Key eeba04718f46511db4a2c0d6b662d113
SVID 31
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3102 12F15 3115 11F15 3102 1915
Key eeba04718f46511db4a2c0d6b662d113
SVID 33
ADKD 0/12 1 2 3 4 5
ADKD 4 6 10
Tags 3302 07F15 3315 12F15 3302 1915
Key eeba04718f46511db4a2c0d6b662d113

Authenticated Data

02 0001010011 1398 511500 6720 bits
N/A 1398 507900 5560 bits
0001010011 1398 510750 720 bits
03 0000001111 1398 543480 560 bits
N/A 1398 543480 1120 bits
0000001111 1398 543480 560 bits
04 0000000000 1398 537390 9040 bits
N/A 1398 534420 3040 bits
0000000000 1398 536490 1760 bits
05 0000001010 1398 542340 4880 bits
N/A 1398 540480 5120 bits
0000001010 1398 542310 1080 bits
06 0000000100 1398 536520 80 bits
N/A 1398 536400 6600 bits
0000000100 1398 536490 40 bits
07 0000010011 1398 547290 6320 bits
N/A 1398 545700 320 bits
0000010011 1398 546990 1800 bits
08 0000001101 1398 545880 6480 bits
N/A 1398 541920 200 bits
0000001101 1398 544410 1640 bits
09 0000000111 1398 538410 200 bits
N/A 1398 538380 4680 bits
0000000111 1398 538380 160 bits
10 0000010110 1398 547290 40 bits
N/A 1398 547260 2560 bits
0000010101 1398 546990 440 bits
11 0000010011 1398 547290 6200 bits
N/A 1398 545640 1120 bits
0000010011 1398 545790 360 bits
12 0000010100 1398 547290 8640 bits
N/A 1398 546060 2800 bits
0000010100 1398 546990 1840 bits
13 0000001000 1398 538980 40 bits
N/A 1398 538860 10000 bits
0000000111 1398 538860 200 bits
14 - - -
- - -
- - -
15 0001111001 1398 530910 520 bits
N/A 1398 530880 6920 bits
0001111001 1398 530910 520 bits
16 0000010110 1398 547290 40 bits
N/A 1398 547260 2880 bits
0000010101 1398 546990 440 bits
18 - - -
- - -
- - -
19 0001101110 1398 527670 12880 bits
N/A 1398 524220 2400 bits
0001101110 1398 527670 2720 bits
21 0000000100 1398 536850 520 bits
N/A 1398 536820 6840 bits
0000000100 1398 536850 520 bits
23 0000010011 1398 545730 360 bits
N/A 1398 545700 10640 bits
0000010011 1398 545670 280 bits
25 0000010110 1398 547290 40 bits
N/A 1398 547260 1200 bits
0000010101 1398 546990 440 bits
26 0000010110 1398 547290 40 bits
N/A 1398 547260 11080 bits
0000010101 1398 546990 440 bits
27 0001101101 1398 527730 14280 bits
N/A 1398 523680 2160 bits
0001101101 1398 526590 4120 bits
28 0001111100 1398 536340 10520 bits
N/A 1398 532380 1840 bits
0001111100 1398 534450 2400 bits
29 0000010110 1398 547290 40 bits
N/A 1398 547260 3200 bits
0000010101 1398 546990 440 bits
30 0001100011 1398 517500 320 bits
N/A 1398 517500 9680 bits
0001100011 1398 517500 320 bits
31 0000010110 1398 547290 40 bits
N/A 1398 547260 7120 bits
0000010101 1398 546990 440 bits
32 - - -
- - -
- - -
33 0000010110 1398 547290 40 bits
N/A 1398 547260 5880 bits
0000010101 1398 546990 440 bits
34 0001101000 1398 524400 12000 bits
N/A 1398 520320 760 bits
0001101000 1398 524250 1880 bits
36 0001100010 1398 520590 8400 bits
N/A 1398 474840 9280 bits
0001100010 1398 520530 40 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