WSPR stands for "Weak Signal Propagation Reporter". More info about WSPR can be found here: https://en.wikipedia.org/wiki/WSPR_(amateur_radio_software) wsprnet.org/drupal/wsprnet/map WSPR is a great tool for checking band conditions and for testing how well a certain antenna performs. I run WSPR mostly on 20m and 40m bands. Below is a list/log of some of my WSRP screenshots that I documented: