download aprs

The Sperrtopf antenna for 2 meter band - By ON4CFC Pascal, describe how to build a Sperrtopf or Sleeve antenna for the 144 Mhz, PDF File by antennex

A two band halo for VHF Mobile - 50 and 144 Mhz with a single mobile antenna system

Easy way antenna systems - Written by John M. Haerle, WB5IIR (SK). A must read for anyone considering building a good low cost HF multi-band antenna system.

Coaxial Traps for multiband antennas - A new perspective on the analysis and design of this popular antenna element. By Karl-Otto Müller, DG1MFT

ARIDX by UA1AAF - At the moment the most used program is UA1AAF. It is an excellent program written by Boris, UA1AAF, to handle ARI International DX Contest. It can simulate K1EA or N6TR workings; it will be possible to connect the RTX to the computer using a standard interface in such a way as to transmit directly in CW from the keyboard; most of the controls are like K1EA's CT and N6TR's TR ; on line help provides almost all the information necessary for using the program. Is possible to insert QSO after the contest. An appropriate utility in included for conversion in ADIF format. The program is very small and therefore works without any problems on any IBM compatible computer with DOS 3.3 and over or Windows 95/98.

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

N1MM Videos - Video demostrantion of N1MM contesting software use and configuration

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.

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.

APRS World - Searchable Database of stations

APRS Working Group - APRS Protocol Specification Version 1.0 was adopted by the APRS Working Group

NWAPRS - The NWAPRS is here to support APRS events, activities and amateur radio enthusiasts primarily in British Columbia, Alberta, Northwest Territories, Washington, Oregon, Idaho, and Montana

Ford: mobile radio installation guide - Installing a mobile radio by Ford motor company

A new method of radio direction finding Priority listing - A method of finding radio sources with antennas based on omni-directionality (the less directional the better coverage). Uses energy levels and some sophisticated math (encompassed in a free software download on the site) to find x,y,z coordinates of the fox relative to the center of your antenna array. Can be overlayed on a GPS map to help you locate in real-time.

FT817 DSP noise reduction noise - Add-on audio DSP unit from BHI

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.

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.

VX-1R Controller Software - This is Freeware programming software for the VX-1R

TS-2000/B2000 Memory Control Program - This program is for downloading, uploading the memory channels and various settings on the TS-2000(X)/B2000. To write data to or read the data from the TS-2000(X)/B2000 memory, an RS-232C straight cable is required. Runs on Windows 98.

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

50MHz-Transverter 10m/6m from DK7ZB - This transverter was built in 1994, a discription in three parts (german language) for DOWNLOAD as PDF-files. Circuit, printed-boards and layouts in the files