bc1 battery cover

Adding top band to inverted L - GM0ONX extends the coverage of his inverted-L antenna to 160 meters band

Wire Antenna for 75 and 80 Meters - This article is about a wire antenna that covers the entire 3.5 to 4.0 MHz band with an SWR below 2:1 consists of two coupled dipoles, one resonant at about 3.5 MHz and one resonant at about 4 MHz, resulting in the low SWR

A 144 MHz Halo - This halo antenna was built to have an omnidirectional coverage while working in VHF contests. The idea was to have a small but useful antenna for receiving, but it has demonstrated very capable on TX also.

HF Magnetic loop antenna - VK3YE magnetic loop antenna plan that cover 7 Mhz to 20 Mhz and shortening loop can work on 21 Mhz.

The Thick Loop - The performance of a small magnetic loop can be improved constructing it larger, thicker or both. The antenna is covering from 12 Megahertz to 32 megahertz and adding a 156 Pico farads ceramic capacitor it resonates on the 40 meters band. by PY1AHD

Four Band Antenna - This 4 band up and outer antenna covers 21 to 10 Mhz and can work on 28 Mhz as well by W9SCH

ON3JT vertical multiband hf antenna - A simple and low cost multiband vertical hf antenna covering 5 bands (20m-10m) from an old CB antenna

The Joystick Antenna - The Joystick antenna was used many years ago as an all band vertical HF antenna under restricted space situations that would cover from 80 meters thru 10 meters with a tuner and was a great commercial success Some hams even had success with it on 160 meters.

Multiband HF Vertfical Antenna - A vertical antenna that can cover HF bands using an UN UN and a fishing pole, usage of tuner is requested.

Sundial Wire - Cloth covered wire from sundial wire

KJ4JTV Tennessee Valley Amateur Radio Club - KJ4JTV Is the Tennessee Valley Amateur Radio Club. Covering Middle TN and Nothern Alabama

W7AIA, Clark County Amateur Radio Club - Clark county amateur radio club serving sw washington for 75 years! come find out how our local ham club offers programs that cover everything from the history of morse code and call signs to ham radio antennas

HFDX Discussion Forum - HFDX is for all Amateur Radio Discussions...All subjects covered From HF to Vhf/UFH, Antennas Equipment and more

UltraBeam Antennas - Electronically controlled HF antennas. General coverage. Top features on all ham bands. Very advanced materials and state of the art technology.

F9FT - AFT Antennas - The radio-amateur antennas made by AFT (formerly Antennes Tonna, later Tonna Electronique division Antennes) are the result of more than 50 years of passion and experiments. Maker of VHF and UHF antennas, cover bands from 6 meters to 13 centimeters

Lightning Protection International - LPI personnel have combined experience over many years in servicing customers throughout the world. Our experience covers projects in some of the most lightning prone areas.

DDS-60 Kit - A 1-60 MHz coverage VFO with built-in amplifier and variable output level from 0 to 4V p-p.

Repeater and Broadcast Transmitter Database - Searchable database of amateur repeaters and broadcast transmitters. The database covers the fifty U.S. states, the District of Columbia, and the ten Canadian provinces.

IC-756 Modifications - Spectrum Scope Adjustments, ACC1 Audio Output Increase, General Coverage TX Mod

Specialist Antennas - Antenna products and accessories for commercial, industrial, Emergency Service and military applications covering VHF, UHF, TETRA, ISM and GSM frequencies and beyond.

House of Batteries - House of Batteries is a master distributor and custom battery pack assembler for every major battery manufacturer in every battery chemistry for every electronic application

DIY: Solar Powered Battery Rechargers - Let the sun juice your battery habit

Battery Equivalents - Cross reference thousands of consumer, watch and Amateur Radio Handheld batteries

Nicad Charger for car - A Nicad charger from the car battery by DL6NEE

G3YUH Morse Key Project - These pages cover the step by step construction of a Handmade Morse code telegraph key in pictures and text