Re: F9* and GLONASS

[Fred Wright]

On Wed, 6 May 2020, John Ackermann N8UR wrote:

> I'm getting strange results trying to enable GLONASS using ubxtool.
>
> Transcript below, but in summary:
>
> sending -e GLONASS to the F9P sends a message to enable L1, but a
> following poll does not show GLONASS is still disabled.
>
> sending -e GLONASS to the F9T sends a message to enable L1, and a
> following poll shows that GLONASS L1 is enabled, but not L2.
>
> So... is there a reason to enable only L1 and not L2, and is there a
> reason why the command works on the F9T to enable L1, but not on the F9P?
>
> Could the difference be related to my earlier question, i.e. the F9T is
> using the ASYNC port via a USB converter, while the F9P is using its own
> USB port?

The CFG-GNSS stuff isn't per-port, so probably not.  Be sure you specify 
the protocol version with -P, since ubxtool is widely insistent on knowing 
it.

Fred Wright