Seth:

I think you have a couple of options to choose from. One concern I would 
have with MQTT is that it always publishes the latest record, so if your 
farm location is down for 1 hour, your remote will not get the records up 
to the last archive.

thinking about your use case now, It may make sense to setup the station on 
SQLite and rsync the database to your remote location after the archive 
period. that way if your farm location lost connection, you would know 
based on the last archive record at home and once you have a connection 
again, you would get all the data.

here is a wiki article on the github weewx repo that kind of explains this 
: Using the RSYNC skin as a backup solution ยท weewx/weewx Wiki (github.com) 
<https://github.com/weewx/weewx/wiki/Using-the-RSYNC-skin-as-a-backup-solution>

To answer your question about my other databases, for forecast and AQI, as 
Vince indicated earlier, there are a host of extensions available. The one 
I use for forecast is Weewx-Forecast by Matthew Wall ( 
matthewwall/weewx-forecast: 
forecasting extension for weewx (github.com) 
<https://github.com/matthewwall/weewx-forecast>) and I use a AQI extension 
to pull from my Davis Airlink AQI device ( chaunceygardiner/weewx-airlink: 
WeeWX extension to support Davis AirLink air quality sensor. (github.com) 
<https://github.com/chaunceygardiner/weewx-airlink>) 

hope this helps!

Doug Jenkins

On Wednesday, September 14, 2022 at 9:10:40 PM UTC-4 vince wrote:

> On Wednesday, September 14, 2022 at 4:47:53 PM UTC-7 Seth Ratner wrote:
>
>> But I also run various programs at home that reference the archive, and 
>> they won't work when the WeeWx host has lost internet. 
>>
> So I need two copies of the archive available at all times, one for each 
>> location. 
>>
>
> Still unclear why without knowing what you're running at the non-weewx 
> site.   Can you run that on the weewx host and upload the results to home 
> occasionally ?   Does the non-weewx site need to be totally up to date 
> always ? Is your internet 'slow' in terms of bandwidth or just unstable ?
>
> You're jumping to a solution but not really explaining the problem(s) and 
> why you have a split setup.....
>
>

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