Tag: wspr

How far does 1mW go ?

Do you remember playing as a kid with the short range 49 MHz walkie-talkies ? We used to play with these often as a kid, and the range was shorter than your voice ! With an output between 5 and 50 mW these could often struggle to communicate more than a few meters. Still the […]

472 kHz reception on WSPR

Having played around with the Wellbrook loop on 7 MHz the other evening I decided to try some 472 kHz reception on WSPR. I had never tried 472 kHz before, as the combination of local noise and poor antenna has always put me off. The Elad FDM-DUO seems quite sensitive down to 100 kHz (the […]

Icom 7100 and WSPR 2.12

Option 1 Using WSJT-X WSJT-X supports JT65, JT9, WSPR and JT4. This may provide better compatibility than WSPR v2.12 but essentially both can work. WSJT-X has the advantage of supporting multiple modes, and also you can set the radio control to “Ham Radio Deluxe” and let HRD provide the CAT control. WSJT-X can be downloaded […]