metal roof

Car Roof Antenna for 20 meters - A project by G3LDO about a car roof antenna for the 14 Mhz

How to make a Simple Dipole Antenna - It is very easy to create a simple 1/2 wave dipole, all you need is some lengths of wire such as the core of some mains flex or even a straightened out metal coat hanger, some co-ax cable and a connector for your scanners antenna input

L Match ATU for QRP - The L match is designed for the matching of random and long wires and should not be mounted in a metallic box/case, i used a small plastic food container which was the most expensive part of the project.

10m Halo antenna project - This aerial is designed to fit into a small attic, loft or roof space, or even into the garden shed by Roger Powell G0AOZ

Antenna & Mounts - Mobile antennas, how to install antennas in the roof of a vehicle and how tune antennas.

Weatherproof Vertical Antennas - Slim Jim - How to make a Weatherproof Vertically Polarised Omnidirectional Aerial, The Slim Jim Antenna

Groundplane Antennas at Various Heights - Mounting on Roof or at Ground Level?

Linear Focus Parabolic Wifi Antenna - This antenna can be made in a couple of hours and involves a fair amount of measuring, cutting, bending, and bolting metal.

Worked All States (WAS) by ARRL - The WAS (Worked All States) Award is available to all amateurs worldwide who submit proof with written confirmation of having contacted each of the 50 states of the United States of America.

The Washington Totem Award - This award is issued to any licensed radio amateur who submits proof of two-way radio contact with the state of Washington

Russian Castles award - Issued to any licensed radio-amateur or SWL who submits proof of radio contact with stations working form fortresses

United Solar Ovonic - Leader in building rooftop photovoltaics and other solar power products. Manufacturer of thin-film solar laminates UNI-Solar

HA1YA Mechanics & Electronics Inc. - Specializes in manufacture of middle and high power RF decks and high quality linear amplifiers with metall ceramic tubes for HF, 6m, 2m and 70 cm bands. Transverters, power supplies and control units

CUE DEE - Antenna support engineering, manufacturer of antenna masts, supports, towers, self-supporting towers, telescopic masts, rooftops and wall supports

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

Metal Express - Cut-to-order metal specialis offer aluminium tubing

Anderson Metals Corporation, Inc. - Brass, aluminium tubing, pipes

Wire Harness Assemblies - Printed Circuit Board, Custom Overmold Cable Assembly, Box Build, System Integration, Sheet Metal

Coastal Bend Electronics - From radar detectors to cellular amplifiers to cb radio to surveillance cameras to metal detectors to VHF radio Marine radio, Stereo, Cb Radio, and Cellular repeater, Texas USA

ABCVacuumTubes.com - ABC Vacuum Tubes is dedicated to providing Ham radio, amateur radio operators, antique radio enthusiasts, audio professionals and hobbyists the ability to choose from an inventory of over 3.5 Million Vacuum Tubes on hand under one roof.

Scientific Surplus - Buy, sell and trade electronic and scientific instruments. Oscilloscopes, microscopes, signal generators, RF equipment, short & long wave radios, meters and wattmeters, detectors (radiation, metal), spectrum & network analysers military equipment

Remote Coax Switch - 6x2 coaxial remote antenna switch, completed unit showing weatherproof relay box and station control unit.

A fool-proof VOX - A circuit which had been used in many other application before. The configuration described here is optimized for IPHONE/radio operation.

N7KSB Milliwatt transmitter - N7KSB used this 1/2 watt CW transmitter, with a roof-mounted ground-plane antenna to work all continents and over 30 countries.

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.