pny 32 gb micro sdhc

A 2 elements yagi antenna for 28 Mhz - An inexpensive antenna for 10 meters band in spanish

Inexpensive 17-Meter Vertical - A low cost, low profile DX antenna fro 17 Meters

Build a multiband dipole - A nicely documented procedure to build a multiband dipole spending $30 in material and half an hour in assembling by Andrew Daniel - KI4QFY

Helical Feed Antennas - Helical antennas have long been popular in applications from VHF to microwaves requiring circular polarization, since they have the unique property of naturally providing circularly polarized radiation. Paul Wade W1GHZ

LoopControl - HB9MTN loop motor control software. For motor control, either Centronics, RS232 or USB ports can be used, for CAT-Control the RS232 or USB ports.

Loop Antenna Basics - Loop Antenna Basics and Regulatory Compliance for Short-Range Radio

The EZ-Tuner - The "EZ-Tuner" is a homebrew automatic legal-limit antenna tuner that covers all amateur HF bands from 160-10 meters. Using a T-network design and controlled by a BASIC Stamp BS2sx microcontroller, the EZ-Tuner will match at least a 16:1 VSWR for either unbalanced or balanced transmission lines.

6 Element Yagi for 432 Mhz - U6YRN 6 element yagi antenna for 430-450 Mhz in spanish

Logbook of the World - LoTW - ARRL's Logbook of the World (LoTW) system is a repository of log records submitted by users from around the world. When both participants in a QSO submit matching QSO records to LoTW, the result is a QSL that can be used for ARRL award credit.

AGB Activity Group of Belarus - International ham radio club of Belarus

GB3CM UHF Repeater Group - GB3CM UHF Repeater Group

50 MHz and Up Group of Northern California - A non-profit public service and educational amateur radio organization specializing in advanced and experimental microwave communications.

Western Amateur Radio Association - The Western Amateur Radio Association, founded in 1978, is a Ham radio club based in Fullerton, California. The club supports and participates in many activities, including Field Day, transmitter hunting, microwave, satellite, and APRS, to name a few.

W2EGB East Greenbush Ham Radio Club

BBARC The Big Bend Amateur Radio Club - Serving the Big Bend area of west Texas

W5HN North Texas Microwave Society

The Caltech Radio Frequency and Microwave Group - Develop microwave amplifiers and related products

Unified Microsystems - W9XT contest card DVK Digital Voice Keyer, morse keyers CW memory keyer, beacon CQ IDer, USB interfaces and more for ham radio operators

Micro908 Kit - A re-usable control & computing platform for antenna measurement, PSK31 digital modems, audio filtering, signal source & VFO, memory keyer by AMQRP

Trilithic - Broadband instruments, R and microwave components and filters, field analyzers, spectrum analyzers

ukrepeater.net - RSGB Emerging Technology Co-ordination Committee Web resource for UK amateur radio repeaters. This site gives details of Britain's amateur radio repeaters

AO-7 Logbook Site - Resource for those who are actively uses the Amateur Radio Satellite AO-7

Ipox5 radio link system - Ipox5 is the freeware version of a commercial radio linking system, designed for amateur, nhw, emergency communications etc. It is optimised for mobile broadband and difficult IP links. It allows PC access, and up to 100 users on your link at one time. Usefull for multiple PMR446 use on very large sites. Works under Windows 98, XP, Vista, and Linux (under Wine)

COLLINS 30L-1 HF Linear Amplifier - The Collins 30L-1 Linear Amplifier has 1000 watts PEP power input on SSB and 1000 watts average on CW on all bands. It can be driven by the Collins 32S-3 Transmitter Collins KWM-2 or KWM-1 Transceiver, or most 70-100 watt exciters.

K8RA P2 Iambic Key Review Priority listing - A short review of the K8RA P2 Iambic key, and a few pictures by W4INF