aprs diag

Single Coil Z Match - Single Coil Z Match, circuit Diagram and homebrewing notes

Small magnetic receiving loops - Article about magnetic loops, construction notes and diagrams

F5KEE Quagi 8 elements - An 8 element quagi antenna for 2 meters band, with pictures and diagrams, in french

2E0BEJ Ben Sutton Priority listing - Blog discussing my Amateur Radio experiences including APRS, Fox Hunts, Construction, first steps into HF, etc

IW0QNL's HamRadio Web Server - Packet Cluster and BBS hamradio online, Server APRS and other.

Byonics - Manufacturer of popular TinyTrak APRS Tracker offer Packet radio tools, wxtrack interfaces, TinyTrack3, a GPS position encoder, PicCon controller for transmitter hunting, GST-1 and GST-2 GPS format converters, and PeekPack, a packet radio monitoring tool.

6m technical docuemnts - A collection of scanned diagrams and designs, documents and modifications for 50 Mhz ham radio equipment

APRS in Tokyo - APRS stations in the Tokyo region tracking database from FindU.com

APRS in Karlsruhe Germany - APRS in Karlsruhe (Germany), APRS&WX, APRS&PSK31, APRS-WLan-Igate

APRS using a weather station - Interface APRS to a weather station

APRSTV.com - A video podcast about aprs, the automatic position reporting system, used by amateur radio operators.

OpenAPRS - Openaprs is a site dedicated to bringing you aprs tracking data and weather information.

VA3TK's APRS Server - Openaprs is a site dedicated to bringing you aprs tracking data and weather information.

HRX80 80 meters receivers for APRS - 80-meter peilontvanger / receiver includes printed circuit sample and list of components

Yaesu FT-897D System Diagram - Interconnecting the YAesu FT-897 or 897D

MCP-D7G TH-D7A TH-D7E Memory Control - This program is for editing Memory Channels APRS, SKY COMMAND II and various settings on the kenwood amateur radio TH-D7A(G)/D7A(G2.0)/D7E(G2.0) A similar version exist for TH-D7 generation 1.

Win APRS - Automatic Position Reporting System windows program, allow monitoring of real time geographical information such as the position of vehicles, the status of weather, radio direction finding and more.

APRS-Beacon - The purpose of the APRS-Beacon is to provide simple APRS-compatible position beacons for up to three Objects. It is designed to 'stand alone' and does not monitor other traffic on the frequency. It can use a single-port TNC (in 'native' mode), a single- or dual-port TNC in Kiss mode or the AGW Packet Engine in order to transmit on up to four radio ports.(When running with AGWPE, APRS-Beacon will also work with Windows 2000)

Adaptive Home Logic - Monitor / Control your home with APRS short text messages. Featuring Scheduling / Conditional Events, 2-way Speech, E-mail, file data, serial data, digital I/O, Sunrise/Sunset, natural language interface, interactive screen overlay scenes, logging + More

APRSa4 - APRS+SA does most of the functions of the original APRS(tm) with a big difference: The maps it uses to plot the locations are Street Atlas 4.0 or 5.0 Maps. This allows great precision in locating objects and stations.

IK5MEN HF amplifier 10-160m. - Italian page including pictures schematics diagrams of an home made linear amplifier using four EL509 in parallel. Output power is about 700W.

DL5DBM 1KW amplifier for 144 Mhz - Pictures and circuit diagramm to build this power amplifier for 2 meters

Bowden's Hobby Circuits - A small collection of electronic circuits for the hobbyist or student. Site includes over 100 circuit diagrams, links to related sites, commercial kits and projects, newsgroups and educational areas. Most of the circuits can be built with common components available from Radio Shack or salvaged from scrap electronic equipment

OZ4HZ APRS tracker - The 4Hz tracker - APRS tracker with AT89C4051, now also with 5W transmitter onboard.

Portable PSK Station - Color photos, schematic and diagrams for an article written by N2APB for Fall 2000 QRPp. Also the subject of a presentation made at the Pacificon QRP Forum in October 2000.An Integrated and Portable PSK Station for 80 & 20 without using a PC!