coverage module

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

T antenna with matching network for 160 m - 160m T Antenna broadcast design by Guglielmo Marconi has been built and is used by Jim NN4AA on 160m. Article by G7LRR

Online Antenna Calculator - Java script antenna calculators for ground planes, half wave verticals, quad antenna, 5/8th wave vertical antenna, dipole and inverted vee antennas

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.

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.

Suburban Amateur Radio Repeater - Suburban amateur radio repeater is a wider coverage machine with six receiver sites in the chicago metropolitan area.

Kvazar - Manufacturer of photovoltaic cells, solar modules and solar systems in Ukraine

Solarworld - The sun powered company, based in Germany produce solar modules, solar cells and solar panels.

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

Tecom - Tecom industries product line encompasses a wide range of highly sensitive active and passive antennas for use in airborne and ground applications, providing complete coverage of the 20 MHz to 40 GHz frequency range.

Renair Antennae - Antenna Manufacturer of Base station antennas, Colinears, Yagis, Whips, Portable, Handheld, PCB and Embedded Antenna Modules

CWKtiny - The microprocessor module CWKtiny allows operating CW with a standard PC keyboard.

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

GRE America - Manufacturer of Radio Scanner receivers, scanner accessories, LCD Display modules and GINA data radio modems

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

IC-7000 Expand TX - MARS CAP Modification to extend transmit frequency coveragefor the IC-7000

Roger Beep and IC7000 - This article contains notes on installation of a Roger Beep for an Icom IC7000 transceiver for use with a Heilsound Traveller headset.

Modifications for the Kenwood TS-50 - Collection of TS-50 mods, LCD display dark, TS50<-->AT50 communication, TS-50 Power Mod for QRP, TX Coverage mod TS-50, CAT control for TS-50S

Yaesu 857 and 897 Extending frequency coverage - How to extend frequency coverage for yeasu FT 857 and 897 in italian by HB9TQF

Yaesu VR-5000 Product Reviews - Review of the Yaesu VR5000 general coverage receiver

Yaesu VR-5000 Review - Strong Signals review of the yaesu VR 5000 general coverage radio receiver

TH-D7 perl module - Perl module providing control to a Kenwood TH-D7 radio via serial port

Low Pass Filter Construction - Low Pass Filter Module Construction Manual

75 meter AM Transceiver - Frequency coverage: 3.75 MHz to 4.00 MH transceiver for 75 MHz band

General Coverage Receiver - This is a compact three transistor regenerative general coverage receiver with fixed feedback