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Collinear Microstrip Patch Antenna - Design of a 869 Mhz Collinear antenna

A Q&D Multiband Antenna - A brick, some PVC tubing and a few other common hardware store items can be transformed into an effective Quick & Dirty RF-launcher—for less than $25! By Michael Atlas, N7FC

ZL1BPU Rotator Controller - A very simple controller circuit, with fairly smart performance! The ZL1BPU Rotator Controller has been designed as an add-on unit for the popular Kenpro KR-400 and Yaesu G-400 rotators. The controller consists of a small circuit board which fits inside the rotator control box (see picture).

Patch antenna for APT - The patch, or microstrip, antenna has become a common workhorse for the microwave spectrum from about 1 GHz to tens of GHz. This type of antenna consists of two conducting layers separated by a dielectric to form an extended capacitor by WlHDX

KB9NK - 10 Meter Beacon - 28.2845 Mhz Location: Jamestown Township, Michigan USA - Grid EN72bu

V6 DX-pedition 2007 - Six members of the Japan Amateur Radio League (JARL) Kyoto Club, made a DX-pedition to the Federated Stetes of Micronesia (FSM) in summer 2007. This was one of the events celebrating our club's 60th anniversary. IOTA: OC-010 (Pohnpei Islands)

British Columbia FM Communications Association - Amateur Radio organization specializing in VHF, UHF, and microwave communications.

Miramichi Amateur Radio Group - Miramichi amateur radio group website with links and information of interest to radio amateurs and others

SEMDXA - SouthEast Michigan DX Association

WW8GM GM Amateur Radio Club - General Motors Amateur Radio Club - WW8GM EchoLink Repeater in SE Michigan

The Toledo Mobile Radio Association - A Ham Radio Organization serving Northwest Ohio and Southeast Michigan.

TRAC Toledo Radio Amateur Club - Serving all of Northwest Ohio and Southeast Michigan

MicroWeather - An APRS-compatible Ham Radio Weather Station

Cumbria Designs - Quality electronic kits, transceiver display, Minicounters, VFO Stabiliser, Microcode Morse Reader

MicroMetal - Manufacture high quality low cost powder cores with a wide selection of shapes

The ElectraSlide Antenna - Modification of the DK3 design by Don Johnson, W6AAQ. No voltage dropping, operates on the full 12 volts. The control switch and the matching toroid are supplied. All you need is a standard 3/8 by 24 thread ballmount, 2 wire sheilded microphone cable for control wiring, and a CB whip cut to resonance.

Accute Micro - China supplier of ceramic bandpass filters in standard resonator sizes of 2~6mm , 8mm , 10mm and 12mm with freqency from 400Mhz~4Ghz and sections 2~10

Maxdao Technologies - Maxdao: offer you 7/16, N coaxial connectors, jumper cables, feeder clamps and grouding kits, surge arresters & brackets, wall entries and microwave components used in base tower, power dividers, couplers

ECHO (AO-51) - SpaceQuest, Ltd. - Spacequest ltd. is a leading developer of advanced micro satellite technology, specializing in the design, development, and testing of space and ground components for operation with low-earth orbiting satellites.

ACARS Analyser - Designed to work with all the major ACARS data capturing programs and enable users to get a complete picture of all the aircraft in there database, where they go and what they have done in the past.

LP-Rotor - LP-Rotor 2.0 is a standalone freeware rotator control program for use with Microsoft Windows. LP-Rotor should work with all versions of Windows from Windows 95 forward. It is designed to be used with the Hy-Gain DCU-1 or RotorEZ interfaces for Hy-Gain rotators, or the RotorCard interface for Yaesu rotators.

GPSLocator - Use a pocketpc with serial or bluetooth GPS to calculatethe grid locator y IW2BSQ

Audio processor for SSB transceiver - This circuit consists of microphone amplifier and a high pass filter. Suitable to improve signal readability.

Inductor Design Software - RF toroid - A free too designed to assist in the selection of iron and alloy powder cores. RF toroid calculate the location of the Self resonate frequencies for series and shunt inductors.

500mw CW Transmitter - A very quick and easy way to get on the air is to build a "Michigan Mighty Mite" CW transmitter for 160, 80, 40 or 30 meters. It can't get simpler than this. It has very few parts, costs almost nothing, and it works! Cost estimate $10 by VE6WTF