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

Why do you care about Use Cases? APRS, like many other protocols, can be overwhelming! It isn’t easy to know where to start. When someone asks you about APRS? What’s the first thing that comes to your mind? What is it that you use APRS for? How did

How can a newcomer get started in APRS? A web search produces mostly: * Very specialized such as the configuration of a specific radio. * Outdated information. (e.g. you must buy a legacy 1980s style TNC or references to software apps abandoned decades ago) * Only talks about trackers and aprs.fi.

LoRa APRS represents a significant advancement in the world of amateur radio communication. This innovative technology combines the long-range capabilities of LoRa (Long Range) with the well-established Automatic Packet Reporting System (APRS), offering enhanced performance and exciting new possibilities for radio enthusiasts.   Key Features and Benefits   LoRa APRS operates on

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, APRS radios, and

In 2014, Kenneth W. Finnegan wrote and important paper called Examining Ambiguities in the Automatic Packet Reporting System.  A search for that title will find dozens of copies and references scattered around.  He starts with the problem and attempts to provide a solution: …  This is proving to be problematic due

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

Club meetings and ham conventions are always looking for speakers. There was nothing about APRS during the 2024 Dayton forums. Suppose you wanted to give an APRS presentation at a club meeting or ham convention. But... It's a big job. You are not sure where to start and

What does this mean? N83MZ>T2TQ5U,WA1PLE-4*:`c.l+@&'/'"G:} KJ6TMS|!:&0'p|!w#f!|3 What is wrong with this packet? WA2GUG-15>TQ0V4V,TCPIP,WA2GUG-15,K1EQX-7,N3LLO-3,WIDE2*,RFONLY,NOGATE:}KB1CRN-14>TQ0V4V,WIDE1-1,WIDE2-1,WB2ZII-13,TCPIP,WA2GUG-15*:`e4Tp,Pu/`"