bt 703555 battery

G1RV ANTENNA - Maidstone Amateur Radio Society G1 RV antenna for 18 24 and 50 MHz

G3YXM Small Loop - This simple antenna is capable of remarkable results on 160, 80 and 40 metres. Forming a triangle from around 50 feet of satellite TV coaxial cable, the top of the triangle can be as low as 15 feet, and the lower side just high enough to prevent a passer by hanging themselves

The 2 Meter Bobtail Attic Beam - An Attic version for limited space applications by NW9T

High Gain Yagis for 432 MHz - DJ9BV dubus article on two different type of high gain antennas for 432 MHz.

Bobtail dipole - Bobtails are vertical arrays that look like the letter "E" turned 90° clockwise onto its tails. They have 3 quarter wave vertical elements and are one wavelength long. The Half Square is a shortened Bobtail- it has 2 quarter wave vertical elements and is a half wave long.

Helical Antennas - The Helical antenna description, a simple way of obtaining high-gain and a broad band of frequency characteristics

G4RV Antenna - An 80 to 10 meters multibad wire antenna plan by Maidstone Amateur Radio Society

G8RV Antenna - Antenna system resonant on 28.9, 24.9 21 and 1.8 Mhz by midstone amateur radio society

DX Cluster Links Priority listing - Listing of over 90 Telnet Cluster sites from around the world.

IRC to Green Stamp Chart  ^updated - A listing of info obtained from Hams in foreign countries explaining the amount of IRC coupons or Green Stamps they need to return a qsl request.

Martlesham Radio Society - The radio society for BT Adastral Park

GM3BAQ Aberdeen Amateur Radio Society - A Radio Society of Great Britain affiliated club. GS3BSQ GM3BAQ

M3HXS Amateur Radio Website - The purpose of my website is to give my radio contacts a place to find a bit of information about me and my amateur radio history, also to my passion for Amateur Radio.

Making the Most of your PSK31 Signal - Adjusting audio output of your soundcard to obtain a perfect PSK signal from your transmission. A project to help you tuning your PSK31 emission.

A 2.3GHz to 432MHz receiver converter - Receiver converter that can be plugged to the backside of the Yaesu FT-817 battery powered portable transceiver

International SWL Registry - Obtain a unique SWL Designator to use on your signal reports and QSL cards. Official certificates also issued.

Rechargeable Battery Review - Rechargeable Battery Comparisons

Battery voltage booster - A battery voltage booster project with pictures and schematic by KD7W

Battery Articles - A collection of battery questions and the replys from Red Scholefield, a battery engineer.

Rechargable Battery Information - All you need to know to keep your batteries fit and well!

Change Battery on DVS-2 - The DVS-2 is a CQ unit for the Yaesu Trancievers.

Fast, smart NiCD/NiMh battery charger - PCB for a battery charger described in the datasheet for the MAX712/MAX713 fast charge controllers.

NiCad battery charger plan - SV1BSX project for a Nicad battery charger

Sub-Tone Generator for repeater triggering - If you need a cheap and easy to construct Subtone Generator for EU-model VHF-UHF rig, here is a solution that works very well.

Sound Card to Radio Interfacing - Sound card Hamming, PSK31 and other digital modes, CQ amateur radio article by K5ABT