>
> I seem to get stuck with weewx just spitting out simulator data.

Did you switch drivers in weewx.conf?

weeWX can spit out debug data from the configured driver on the command
line too.

If that's not detailed enough, you could add extra logging lines to the
driver, python isn't compiled in the same way as C code, so you just need
to copy and paste similar logging lines and change variable names and then
restart weeWX.

On Tue, 19 May 2026 at 04:36, WeatheredScientist <[email protected]>
wrote:

> Dragons indeed! I've gotten a copy of rtldavis working on a MacBook with
> the dongle. I now know my neighbor's water usage, which is great, but not
> the ISS :-)
> The problem I seem to be having, grossly, is either locking onto the ISS
> in the first place (though I do seem to handshake at times) and sticking to
> it thru the hops, and then getting that feed interpreted into a usable
> format. I seem to get stuck with weewx just spitting out simulator data.
>
> It's tough troubleshooting to me b/c I am using outputs as diagnostics,
> and there are "chained layers", in my own words. I wish I could see more
> than just a handshake with the ISS signal, but once it does that to have
> rtldavis spit out what it is receiving onto the command line. Happy to
> start over, just not quite sure how.
>
> On Saturday, May 16, 2026 at 8:26:21 PM UTC-4 Greg Troxel wrote:
>
>> WeatheredScientist <[email protected]> writes:
>>
>> > What I've come to realize is that I have to intercept the radio signal
>> from
>> > the ISS in order to do what I want with weewx.
>> >
>> > To that end I've purchased an RTL-SDR v3 dongle, which may or may not
>> be
>> > DOA (TBD!). But the idea is to use that as my receiver, then decode
>> with
>> > the rtldavis driver for weewx.
>>
>> My advice is to build the latest rtl_433 from git and listen on 433.92,
>> 315, and 915, or something else depending on what country you are in
>> (and hence what the allowed frequencies are).
>>
>> Also check which librtlsdr you have, but with a v3 (vs v4) it should be
>> ok.
>>
>> You should see lots of things decoded, that you didn't know existed,
>> like temperature sensors, car TPMS and more.
>>
>> Only when you can decode random other stuff should you try to listen to
>> your ISS.
>>
>>
>> The Davis RF protocol is vastly more complicated than everything else,
>> and needs synchronization, and you need to select the region-specific
>> hopping patterns. I think it takes a while to figure out where in the
>> cycle the pattern is and can then follow it. I haven't done this; I
>> just know there be dragons.
>>
>>
>> (You could also consider
>> https://www.meteobridge.com/wiki/index.php?title=Meteobridge_PRO2
>> which seems to mostly work but has awkward interfaces if what you want
>> is weewx. It's also real money compared to a RTL-SDR dongle.)
>>
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