APRS (Automatic Packet Reporting System) lets ham radio operators send their position, weather reports and short messages over the air. I run two APRS stations at my home in northwest Las Vegas, on two different bands. Each one is a digipeater, repeating nearby stations' signals on the air to extend their range, and an iGate, passing everything it hears to the APRS internet network (APRS-IS). The map below shows what both stations have heard, updated every minute, and each station has its own section on this page.
More about the equipment is on the About page: the VHF station and the LoRa station.
VHF APRS on 144.390 MHz · N7WDZ-1
Why aprs.fi shows more: This map only shows stations my own receivers heard over the air in the last 24 hours, directly or through a digipeater. aprs.fi combines reports from thousands of receivers and internet sources, so it will always show many more stations than any single station hears.
| Callsign | Type | Heard | Last heard | Distance (mi) | Comment |
|---|
LoRa APRS on 433 MHz (70 cm) · N7WDZ-25
LoRa is a long-range, very low-power radio mode. Small, inexpensive LoRa trackers send APRS positions on 433 MHz, and N7WDZ-25, a tiny LoRa board here at the house, listens for them, passes what it hears to APRS-IS and repeats local stations on the air. These are the stations it has heard, with the signal strength of each one it heard directly. More about the build is in The LoRa APRS station on the About page.
Stations heard on LoRa
| Callsign | Type | Heard | Signal | Last heard | Distance (mi) | Comment |
|---|