WSPR

Testing the Ultimate 3 WSPR beacon

Some time ago Aurel YO3IBZ borrowed me his Ultimate3 to try and replace the AD9850 DDS with AD9851 so we…

11 years ago

YO9IRF station updates

Giving the fact that I had enough spare time the last two weeks, inbetween the little Christmas trip I took…

12 years ago

Raspberry Pi as a WSPR beacon

Probably alot of you know what the Raspberry Pi is - a US$35 micro computer the size of a credit…

13 years ago

V53ARC – multiband WSPR beacon in Namibia

In the last few days my station has been running continuously on WSPR frequency hopping between the 80m, 40m, 20m…

13 years ago

WSPR and antenna radiation pattern

WSPR seems to be not just a tool for actively monitoring the propagation status, but it can also help you…

13 years ago