John WB2OSZ

Thanks to Jay DV7GDL for compiling this list of radios with APRS capbility builtin. APRS Radios (and other hardware) as of November 2024   (All radios can send and receive APRS text messages in addition to beacons and have user-accessable TNCs unless otherwise stated.)   In production: * LANCHONLH HG-UV98 5

APRS (Automatic Packet Reporting System) is a powerful tool for amateur radio operators to share location, weather, messages, Ham Radio Internet of Things, and other types of data. To ensure a negative experience for yourself and others on the APRS network, please follow these worst practices: * Transmit the location of

Why Authentication Matters In the context of APRS, authentication is crucial for several reasons: 1. Data Integrity: Authentication ensures that messages have not been tampered with during transmission. This is particularly important for critical information, such as weather reports or emergency alerts. 2. Source Verification: By verifying the source of

The document titled "Yet Another APRS Client" by KA2DDO provides a detailed exploration of a new software client developed for the Automatic Packet Reporting System (APRS), a vital tool in the amateur radio community. The paper aims to address the increasing demand for effective real-time data sharing

Staying Connected in Paradise: APRS in Hawaii (written with help from Craig Paul KH6CP and Jeffrey Komori KH6JUZ) Hawaii, with its stunning landscapes and adventurous activities, is a dream destination for many. But adventuring often means venturing off the beaten path, and staying connected can be a challenge. This is

Now that billions of computers and mobile phones (which are handheld computers) are all connected by the Internet, the large growth is expected from the “Internet of Things.” What is a “thing?” It could be a temperature sensor, garage door opener, motion detector, flood water level, smoke alarm, antenna rotator,

"APRS is not a vehicle tracking system. It is a two-way tactical real-time digital communications system between all assets in a network sharing information about everything going on in the local area. On ham radio, this means if something is happening now, or there is information that

Very few hams have portable equipment for APRS but nearly everyone has a handheld radio that can send DTMF tones.  APRStt allows a user, equipped with only DTMF (commonly known as Touch Tone) generation capability, to enter information into the global APRS data network. Earlier implementations required specialized hardware and

Amateur radio repeaters retransmit signals from other stations to increase their range. Analog voice repeaters listen on one frequency and simultaneously retransmit the same signal on a different frequency. APRS digital repeaters (digipeaters) use a “store and forward” approach.  A packet is received, examined, then possibly modified and retransmitted.   Usually

Polaric Server is a powerful and flexible open-source platform designed to handle geographical information systems (GIS) and Automatic Packet Reporting System (APRS) data.  It's particularly well-suited for tasks such as: * Tracking and visualization: It can display real-time location data from various sources, including GPS devices,