A few months ago, I wrote a blog post asking the question "Where are all the hams?". For that blog post, I generated heat maps of regions of the world showing WSPR1 activity. A few days ago, I sent an email to Philip Gladstone, from the PSK Reporter's …
When I build or install a new antenna, I always run a series of tests. Like everyone else, I look at the resonant frequency and SWR. But to see how the antenna is performing, I run WSPR1 for a few days. Then I use the data collected by WSPR …
A few months ago, I watched YouTube videos about ham radio operators launching high altitude balloons. They carry a tracking device and a camera to take beautiful pictures of Earth. The tracking device is used to follow the airship on a map but also to retrieve the payload. Ham radio …