buddipole micro rotor.

Buddipole by ZR6KMD - A rotateable dipole specifically for the 20m based on W3FF Buddipole design by ZR6KMD

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

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.

Art's Antique Radios - A good reference site for antique radio, bakelite paskon plastinc decription, microphones picture and antique radio gallery

Micronetics Ltd - Electron tubes/valvs NOS & new production.

K8GP Delmarva VHF and Microwave Society - K8GP web site, home of the Grid Pirates Contest 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.

W5HN North Texas Microwave Society

GM4CXM Ray - Home page of the Amateur Radio station of GM4CXM located near Glasgow in Scotland. Dedicated to VHF and microwave operations

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

RF HAMDESIGN - An engineering oriented organization specializing in the design and manufacture of high performance parabolic antennas, 3dB high power RF couplers, Antenna power splitters, directional RF couplers and more items for RF transmission from HF through Microwave frequencies.

TNC-X - TNC-X - The Expandable TNC A new Terminal Node Controller (kit) design based on the Chepponis/Karn KISS protocol. It is implemented using a Microchip PIC 16F628A microcontroller, a CML MX614 Bell 202 modem chip, an 8K Ramtron FRAM

Behringer - High quality audio systems

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

PSK31 Frequencies - HF VHF UHF PSK31 proposed frequencies

HMC Electronics - We offer brand name products including metcal, loctite, weller, hakko, kester, lindstrom, desco, fluke, 3m, xcelite, chemtronics, xuron, tech spray, excelta, intermetro, scc, luxo, ideal, micro care, and scienscope. Products for Electronic Assembly and Repair. MA USA

The KB6IBB Utilities for Palm OS - designed for the ham radio operator or radio scanner hobbyist. It houses four databases that organize your frequency lists. EDACS Trunk - A database that houses the entire EDACS ID table. Conventional - A database that houses lists by channal number. Radio Call Log - A database that allows the user to log calls/notes. Ham Radio Repeaters - A database for ham radio repeaters.

CwGet PPC Priority listing - A program to decode Morse code via sound input of PDA to text. No additional hardware required - your need only receiver and PDA with sound input. Built-in microphone of device can be used also.

Medium Power Amplifiers for 24Ghz - By John Hazell G8ACE

Home Brew a Condenser Microphone - An inexpensive condenser microphone with excellent performance can be easily constructed with easily available parts.

Microphone connections by G4WPW - Roy G4WPW has collected one of the most complete and interesting pages for microphone connections schemas and wiring. Includes Kenwood microphones schematics as well as Yaesu Icom Alinco Adonis Drake Heil JRC MFJ schematics