log converter

Quad antenna for 10 and 15 Meters - Building guide for a two element quad antenna planned for 28 and 21 Megahertz

A 5 elements Vee log-yagi for 10m - 5 elements "vee" log-yagi for 10m band- boom lenght : 4mt. Gain : over 10 dBd , f/b =over 40 db (deep null) f/b= min 20dB for different polarization signals

A better antenna-tuner balun  ^pop - Which balun to use? The hybrid balun promises advantages over both voltage and current baluns by ZS1AN

Antenna here is a Dipole - What is a dipole antenna and why are they so popular ? Arrl PDF file

The Monoband HF dipole antenna - If you are looking for an easy antenna for your favorite band, you can't go wrong with an halfwavelenght dipole, all you need is 3 insulators and some wire

A 5 band log periodic dipole array - Modified version of the Telerana antenna which was orginially featured in the July 1979 issue of QST. The array is suspended within a framework made of fiberglass poles emanating from a central hub with the ends tied together with light weight rope around the perimeter. 10-15-20-30-40 meter band coverage

HF Log Periodic antenna - Plan for a log periodic antenna for the 14Mhz-30Mhz by F6DOP in french

Why a Beam Antenna - Some basic antenna information for the newcomer

Homebrew your own inductors  ^pop - Can’t find the inductors you need for an antenna, a tuner or amplifier? Build your own—it’s easy! By Robert H. Johns, W3JIP

A two element yagi bean - Simple gain antennas for the beginner, a 2 element yagi antenna

JA0JBA EH Anntenas - A blog dedicated to EH antennas and other antenna modelling in general

IW5EDI Ham Radio Blog Priority listing - Amateur Radio experience, blog from Florence Italy

KA6WKE Mobile installation blog - Amateur Radio operator interested in mobile & emergency operations, with some portable QRP operations.

IV3YER - Personal page with online log and shack information

Ham Radio equipment Catalogs - Ham Radio equipment Catalogs with all the products of the worlds most famous Ham Radio manufacturers

Bitscope - An affordable high bandwidth mixed signal pc based digital oscilloscope logic analyzer.

DaimlerChrysler Radio installation guide - Radio communication equipment installation recommendations

Radio Scanner Guide - A guide to selecting Radio Scanners; divides both new and used radio scanners into 6 categories, based on their specifications and features - e.g. analog trunking scanners, digital trunking scanners, etc; provides specifications on each model

Inter Technologies - Importator reseller for France / Belgium, Germany, Austria, Switzerland : SDR1000, Elad FDM77 and other Elad products, and all products on demand.

LiHaLo : LInux HAm LOgbook - Freeware ham-radio logbook written in PHP, and based on Apache and MySQL, even if developed undex linux has been tested with windows and macosx by on4axv and on5dqz

Logger32 for 11m - Logger32 special version dedicated to eleven meters band operations

ZHAKSYLOG - Ham radio logging and remote control for Kenwood transceivers by UT1YV

Low-Power Transceiver Kits You Can Build - A Comprehensive roundup of the most popular QRP transceiver kits on the market in recent years in PDF format

Automotive RFI elimination - ARRL pdf file on how remove car noise from your radio. Modern vehicles are RF noisy environments. Come learn how to identify and silence yor mobile noise sources, by WA6PDP

A 6M Transverter - Build a transverter based on a 6M receive converter. A 32MHz TTL oscillator is used as the local oscillator for both transmitting and receiving. RX/TX switching is handled by three SPDT relays.