The amateur radio Reverse Beacon Network (www.reversebeacon.net) offers the opportunity to see where in the world your signal is being heard. The RBN listens for CQs on CW, RTTY, and PSK-31, and will tell you which reverse beacon listener heard your signal. A fascinating way to see how your station works.
In comments to the FCC, ARRL has argued that radio amateurs be allowed to continue shared operation in the 3.4 GHz band until 5G licensees who purchase the spectrum when the FCC puts it up for auction initiate incompatible operations. In it... Read more