Discussion:
Ublox Galileo/Beidou PRNs
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Mark Sims
2018-05-11 21:02:59 UTC
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Does anybody know how Ublox maps their reported PRNs for Galileo and Beidou satellites to the true satellite PRNs. What little there is on the web appears on the web is rather incorrect.

For Galileo I have seen Ublox PRNs from 212 to 240. That seems to imply it might be ACTUAL = UBLOX_PRN - 210.
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Gary E. Miller
2018-05-11 22:13:56 UTC
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Mark!

On Fri, 11 May 2018 21:02:59 +0000
Post by Mark Sims
Does anybody know how Ublox maps their reported PRNs for Galileo and
Beidou satellites to the true satellite PRNs. What little there is
on the web appears on the web is rather incorrect.
Depends a LOT on your u-blox firmware version, and how it is configured.
For example, the NMEA versions are inconsistent on PRNs.

Check out this document:

https://www.u-blox.com/sites/default/files/products/documents/u-blox8-M8_ReceiverDescrProtSpec_%28UBX-13003221%29_Public.pdf

'u-blox8-M8_ReceiverDescrProtSpec_(UBX-13003221).pdf'

Appendix A.

It's ugly. Have a stiff drink first for courage.

The future is gnsid:svid. Someday...

RGDS
GARY
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"If you can’t measure it, you can’t improve it." - Lord Kelvin
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