External Links

A DOS/Win3.x application with rudimentary maps. This is where it all started.

An APRS application for Android smartphones — excellent.

An APRS application for iOS smartphones.

Along with Findu.com, the web face of APRS — look up any APRS station on a map.

An application for running a WIDEn-N digipeater using the new-paradigm settings. No longer actively developed.

Along with APRS.fi, the web face of APRS — look up any APRS station on a map.

A Windows application, currently developed by Frank Watervoort, AB0WV — excellent.

An APRS program from New Zealand tailored for Search and Rescue use. Very well done.

A Windows application supporting detailed Precision Maps. In its heyday, UI-View was the most popular APRS application, and it still runs on many Windows computers today.

A Linux/Mac OS X application supporting unlimited commercial detailed map programs.

Yet Another APRS Client, for Windows, Linux, Raspbian, Mac OS X, and FreeBSD.

A chart from Curt, WE7U, comparing the various APRS applications.

The APRS-Internet Service — how APRS position and message data gets around the internet.

Connect a weather station directly to the network and submit WX data via CWOP.

Several satellites are configured for APRS digipeating.

A great website with lots of resources.

Bob Bruninga, WB4APR — known as "Father Bob," the creator of APRS.

Another great resource for APRS.

A list of videos related to APRS and NWAPRS.

GeoSat G6 GPS — the best GPS solution for a Kenwood TM-D700 or D710. (The TM-D710G has GPS built in.)

Makes a miniature tracker package — pretty cool.

Makes a variety of APRS trackers and other cool stuff.

A great source of modifications for commercial radios.

Bob's detailed solution for fixing congestion on APRS.

Attaches to the rear of a Kenwood TM-D710. No frills, no display, $100 — a cool device from Green Light Labs.

The best radio for APRS — a dual-band, APRS-compatible radio. The TM-D710G has GPS built in.

A great selection of mobile head and GPS mounting devices.

Inserts between your battery and radio. When voltage drops to a set level, power to the radio is curtailed — though the battery won't be drained below a restart level.

The NWAPRS iGate server — use port 145.77.

Yet another TNC module with lots of features, from Scott, N1VG.

A good source of pinouts for radios and TNCs.

Send Red Cross health and welfare messages via e-mail.

Tigertronics is one of our own, based in Medford, OR. They make a variety of APRS-related products.

A transmit-only miniature TNC, popular with lightweight trackers.

An upgraded mini-TNC with receive capability for APRS tracking, KISS TNC, digipeating, and fox hunting.

The uSmartDigi project — an expandable TNC with firmware source code available. Digipeater and tracker daughterboards are available, with serial or USB interfaces.

An alternate digipeater firmware with more features than a KPC-3 Plus, compatible with the new-paradigm n-N settings.

A modern HF/VHF email program for RF users, APRS compatible. Really cool.

A great site for wiring details and other APRS stuff.

An APRS-compatible handheld. Also look for the Yaesu FT2DR, FT3DR, and FTM-400DR.