Harry ZachrissonApr 29, 20201 min readNice Video and paper on 40m band propagation using WSPR.Hi. Jim -KX4TD - have used a WSPR Desktop transmitter to investigate the propagation on the 40m band. His explanation on what is going...
Harry ZachrissonDec 2, 20192 min readUser story from WM3E.Carl - WM3E have done a nice write up of how he travels the US in his motor home with his wife. Like so many of us that comes in and out...
Harry ZachrissonJul 4, 20199 min readPolar Research vessel Oden gets a ZachTek WSPR transmitter.WSPR is a great way to explore and test a wide range of stuff in our wonderful radio hobby. Although I guess most of us use WSPR casually...
Harry ZachrissonFeb 14, 20193 min readShare your use of a Zachtek product and win cash or store prices!Hi all. Last year I started modestly building and selling my radio related stuff on Tindie and then in late October I started my own...
Harry ZachrissonOct 22, 20181 min readWSPR-RX article in FrenchFrench Radio Amateur F1GYT - François that writes blogs and books about Raspberry Pi just wrote an article about the WSPR-RX that might...
Harry ZachrissonOct 22, 20183 min readFirst WSPR-RX Customer put the Receiver to work with good results.Earlier in the week I released my first boxed up product for sale here at ZachTek.com. It is a small fixed frequency receiver for...