Yo Hans! On Wed, 7 Jan 2026 22:11:17 +0100 Hans Mayer <[email protected]> wrote:
> My environment:
> gpsd commit 92660f43b3279e6279ec59010c662b157af4e8de
> gpsd: 3.27.4~dev (revision release-3.27.2-4-g92660f43b)
>
> u-blox ZED-F9P-02B
> FWVER=HPG 1.51
> PROTVER=27.50
Good.
> When I query the signals I get this:
Looks normal.
> For testing purposes and doing some experiments I tried to disable an
> individual band for a specific gnss. For example CFG-SIGNAL-GAL_E1_ENA
> But this was not possible. I got back an UBX-ACK-NAK. I can turn off
> complete Galileo with CFG-SIGNAL-GAL_ENA and then I can turn on/off
> one or other band. But when I want to turn on Galileo both bands
> must be active otherwise it would fail.
I have seen similar. There are interdependencies between different
signals in the u-blox code. A few are documented, but most are not. I
have complained about it and asked for documentation, but to no avail.
> The only band I can switch off is CFG-SIGNAL-SBAS_L1CA_ENA but SBAS
> has only one and CFG-SIGNAL-QZSS_L1S_ENA which is per default off.
I have been able to get everything but GPS L1 off. Order matters. You
just have to keep trying different permutations.
RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
[email protected] Tel:+1 541 382 8588
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