alinco dx70 keying circu

G3SEK's Amateur Radio Technical Notebook - A lot of good informations concerning antennas, filters, moonbounce, and circuitry data.

T-Hunting Antennas  ^pop - 4 Element Cubical Quad, Yagis, LZA Circular Quad, Shrunken Quad , quarter wave, J-Pole, beam mounting , changing polarity

GM3MXN Magnetic Loop Antenna - This article describes a loop usable from 7 - 21 mHz, using half inch copper tube 3 feet in circumference

ITU Radio Communication sector - Meetings Schedule, study groups, circulars from the radio communication division at ITU

SuperCircuits - ATV accessories manufacturer

Almost all digital electronics - This site is dedicated to electronics hobbyists, engineers, and Radio Amateurs interested in circuit design, homebrew and kit projects.

Alinco - Alinco amateur radio transceivers manufacturer. HF Radios, Mobile transceivers, VHF UHF handhelds, receivers, scanners, power supplies and accessories

Lost users manuals  ^pop - Manuals for : ICOM, Yaesu, Kenwood, Alinco, Standard, Uniden

Alinco manuals - Alinco instruction manuals in pdf format

Batteries America - Online store for most of ham radio transceivers including ADI Alinco Icom Kenwood Standard Uniden Yaesu Prume and radio shack

ComDaC Radio - Full line Amateur Radio dealer - Alinco, Icom, Kenwood, Yaesu radios, various antenna and accessory manufacturers.

Guidetti - Kenwood, Yaesu, Icom, Alinco Italian dealer

Mascar - Icom, Yaesu, Alinco, Cte, Comet, Jrc, Standard, Uniden, Kenwood italian dealer

NSI Communications Inc. - Dealer for Alinco Astron Cushcraft Comet Icom Kenwood Motorola MFJ SGC and Yaesu

MEI Software - The file MEI-10.ZIP contains educational software to evaluate antenna arrays of up to 8 elements. Two types of arrays may be studied: 2D planar arrays (Yagi-Uda, Circular, etc., up to 6 elements) and colinear arrays (up to 8 elements.)

Elise Software Corporation - Elise Software, OUTPUTMASTER, windows professional software for Printed circuit board, post processor, Gerbers, Drill files, ODB++, files generated fast and simply.

TrueTTY Priority listing - Program for amateur radio digital communications via a sound card. Supported modes are RTTY (Baudot code), ASCII (7 or 8 bits), PSK31 (BPSK and QPSK) and AMTOR-FEC (SITOR-B, NAVTEX). SELFEC SITOR decoding is possible also. No additional hardware required, need only a sound card. Optionally you can use simple circuit fo PTT-control. Can cooperate with RZ4AG AAlog logger.

AAVoice digital voice processor Priority listing - "Digital voice processor for amateur radio operators. It use prepared ""wav""-files for transmition. Can work in the beacon mode. Optionally you can use simple circuit for PTT-control. It has a lot macros for tramsmitting. Can cooperate with RZ4AG AALog logger."

432 MHz EME PreAmplifier - 432 MHz EME low noise amplifier. Circuit, components and image by Christoph Petermann DF9CY

Opto Coupler for Keying - Isolating traceiver and your computer with an opto-coupler component

ICOM CI-V Interface schematic - G3VFP schematic for the ICOM CI-V interface with PTT and CW Keying

HF Radio Modifications  ^pop - Lots of HF radio mods, including AOR, Kenwood, Yaesu, Icom, Uniden, Alinco, Sony

The Islander HF RTX - A practical solution by Cuban radio amateurs, hybrid circuit with mostly defunct TV set parts.

Defpom CB and HAM radio mods  ^pop - Circuit diagrams, CB and HAM mods, alignments, data sheets and pinouts, a massive site with over 600 pages of free info

50 MHz Transverter idea - Complete 144/50 MHz transverter with GaAs Fet LNA and 400 mW out. No printed circuit board. Schematics and images by Christoph Petermann DF9CY