Hi Luc, Thanks for your quick response! I tried the -ppm adjustments, but to no avail. As I said, I'm new to all of this so it might well be that I haven't fully understood how things work. Let me give you some more background information in the hope it clarifies things a little:
What I'm trying to achieve is to have Python read in weather data (wind speed & direction mostly) and then use that to do some calculations in Python (I'm assuming WeeWX is the best way to go here but do let me know if I'm really going in the wrong direction here!). I have a Ventus W830 on my roof but can't find a driver for it. There's a Davis weather station about 10 meters from my house, so I thought I'd try to capture that one instead (I'm in EU yes). I have an RTL-SDR dongle with antenna. So, I guess I'm stuck at a more basic level, which is: How can I connect to this particular Davis station? Do I need to know it's serial number? If I open CubicSDR I see a repeated signal on 868MHz so I do think I can receive it (though not sure it's my Ventus W830 competing on the same frequency?). However, conceptually I might not have fully grasped yet the different stages: 1. capturing a signal (using RTL-SDR), 2. connecting(?) to the station (using WeeWX??), 3. decoding using a driver (using `$ $GOPATH/bin/rtldavis` ??), then 4. reading out the data using Python (using `pyrtlsdr`?)? Thanks in advance for bearing with my basic (or rather lack of) understanding here! On Wednesday, May 8, 2019 at 10:37:45 AM UTC+2, Lucas Heijst wrote: > > uvedhe wrote on github : >> I will answer this in the weewx-rtldavis topic in the weewx-development >> forum. >> Luc >> uvedhe <https://github.com/uvedhe> commented 14 hours ago >> <https://github.com/lheijst/weewx-rtldavis/issues/1#issue-441358316> >> I can successfully run $GOPATH/bin/rtldavis which returns various >> entries, like these: >> >> 19:10:43.856163 Init channels: wait max 17 seconds for a message of each >> transmitter >> 19:11:01.793521 Init channels: wait max 17 seconds for a message of each >> transmitter >> 19:11:01.794049 Hop: {ChannelIdx:0 ChannelFreq:868077250 FreqError:0} >> 19:11:19.732536 Init channels: wait max 17 seconds for a message of each >> transmitter >> 19:11:19.732580 Hop: {ChannelIdx:0 ChannelFreq:868077250 FreqError:0} >> >> Hi uvedhe, > > The rtldavis log show you didn't receive any data. > > The rtldavis program use default the EU-frequencies. You use the EU > version of the Davis Vantage, right? > The program runs succesfully on a Raspberry PI, Not sure if it will run on > OS X 10 too. > > You could try to run the rtldavis program with several other ppm settings > to check if any data will b read like: > $GOPATH/bin/rtldavis -ppm 3 > or > $GOPATH/bin/rtldavis -ppm -3 > > Luc > -- You received this message because you are subscribed to the Google Groups "weewx-development" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-development/3715f7c3-1e74-4c81-aaa9-b5105c16bfd9%40googlegroups.com.
