New WSPR station

I’m fascinated by the WSPR ( network and found out you can build a transmitter station with an Raspberry Pi.

So, because I have a few Raspbery Pi comptuers setting about doing nothing, it’s time to put one to work. The code for this is at ( WSPR net has some documentation on it ( The output from the RaspPi is a square wave so lots of filter is needed. ( A kit is avaible at (

I also have a HackRF. I’m thinking I could use it to receive WSPR stations on a schedule. May take some work.