Yesterday I was able to try the current version of 
https://github.com/lheijst/rtldavis. It wasn't able to catch a single 
packet here (EU band). I didn't do a scan, but I checked the packets OTA 
with my SDR stick. The Davis Envoy and my RFM69-based receiver have no 
problems at the same location.

On Thursday, March 14, 2019 at 12:50:29 AM UTC+1, [email protected] wrote:
>
> To all, 
>
> In the weewx forum I started a thread about reception of Davis vantage 
> messages with a RTL-SDR dongle. 
> I have (re)written two programs 
> 1. A modified version of rtldavis which reads the raw messages and print 
> the data to stderr. 
> 2. A weewx-rtld driver which parses the raw data and store the weather 
> data in the weewx database. This driver is not public yet as by now. 
>
> Until now we couldn’t find a usefull set of US frequencies. The modified 
> program rtldavis works resonable well for the EU frequencies. 
> In this thread we will discuss the progress to get a good working program 
> for both EU and US. 
>
> Luc Heijst

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