Heard

Explore APRS like never before. Heard brings live amateur radio APRS activity to your iPhone and iPad with a clean, modern experience designed for discovering stations, following movement, messaging other operators, and understanding the signals around you. FEATURES • Native iPad layouts with the map and station details side by side • Weather reports and telemetry readings when supplied by stations • Live APRS map with semantic station categories • Explore nearby stations and recent activity • Search callsigns and view detailed station information • Track moving stations with breadcrumb trails and live following • Send and receive APRS messages in conversation-style threads • View station context including last heard, distance, status, and comments when available • Choose Standard, Satellite, or Hybrid map styles • QRZ integration for additional callsign information • Optional offline Canadian and United States callsign directories • Fast on-device callsign-directory lookup after download • Simple location-based listening setup • Live APRS-IS monitoring and messaging • Advanced connection details and diagnostics when you need them TRACK STATIONS Follow a moving APRS station while keeping the map in view. Heard can retain a recent breadcrumb trail, follow new position reports, center on the station, and reduce visual clutter from surrounding stations. Choose how much of the trail you want to see, from the last 10 minutes to the entire current tracking session. APRS MESSAGING Heard turns APRS messaging into a focused, conversation-first experience. Start a conversation directly from a station, send and receive messages, view delivery state where available, and move naturally between a conversation and that station on the map. CALLSIGN INFORMATION Quickly learn more about the stations you hear. Heard supports optional offline Canadian and United States callsign directories, with directory data stored locally after download. QRZ integration provides another convenient way to access additional callsign information when you want it. BUILT FOR AMATEUR RADIO Heard is designed to make APRS easier to explore without hiding the capabilities experienced operators expect. Everyday controls stay simple, while advanced connection settings and diagnostics remain available when needed. Whether monitoring local activity, exploring the APRS network, messaging another station, or following movement, Heard provides a simple and focused way to experience APRS on iPhone and iPad. Heard connects to the public APRS-IS network. Available stations, position reports, messages, and acknowledgements depend on live APRS network activity.