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.
The LoRa Meshtastic T-BEAM device are small battery powered devices that will mesh with other T-BEAM and send messages and other data from your phones, tablets and computers. Read more