cor repeater

40 meter delta loop - M0MCX - Pictures and details of a wire delta loop antenna for 40 meters band

40 meter shortened dipole - M0MCX - Interesting little project with a couple of loading coils by M0MCX

Homebrew Balun Case - Balun case construction, tipically to host toroid cores. Size of case depends on power to handle. By DL5DBM

All Time CQ WW Records - On these pages are presented the records for the CQ WW contest for every country that has ever entered a CQ WW.

EA1AQE Blog - Alberto's blog from la coruna spain. A blog with interesting ham radio related blog roll and lot's of gadgets.

South Coast Amateur Radio Club Inc. - South Coast Amateur Radio Club, south of Adelaide. Contests, Field Day, License Courses, Repeaters, BBS & Clubrooms.

Bromley Repeater Group - Gateway - Website and Forums of The Bromley Repeater Group which has been formed to launch and maintain the new Kent repeater, GB3OK. Located in Orpington and with an ASL of 600 feet, it's predicted to provide coverage over a large area of London and South East England. Also on Echolink node 280040

WAFAR - Western Area FM Amateur Repeater Club - The main WAFAR transmitter site is on the roof of the Civic Opera House in Downtown Chicago, and sends our 2-meter and 440 MHz. repeater signals all over Northeast Illinois.

N1HIT New Hampshire Interconnect Team - The New Hampshire Interconnect Team (NHIT) has been formed to establish a D-star repeater in Southern New Hampshire

Amidon Inc. - Ferrite Toroids. Iron Powder Toroids. Ferrite Beads. Split Cores. Cable clamp-ons. Balun Cores. W2FMI Baluns and Ununs. Inductive components for EMI Suppression and RFI Suppresion, power supplies, HAM radio.

Switchcraft - U.S. based manufacturer of Connectors Jacks and Plugs Jackfields and Jack Panels Cable Assemblies nd Patch Cords Switches

Yogi Electronics - Yogi Electronics provides DTMF Control Simplex Repeater board.

Voice Repeater Basics - Repeater operating is one of the most popular facets of amateur radio

France Repeater list - Les relais Francais, map of ham radio repeaters in France

Fair-Rite Products Corp. - Ferrite components for the electronics industry

TubeCalc - Input (grid or cathode) and output (plate) tube resistances calculation according to its electrical characteristics, frequency, mechanical dimensions and working conditions.

Amateur Radio Repeater Directory - Amateur Radio Repeater Listings at your fingertips for the first time on your PDA

Century Club Logger - Century Club Logger is for any individual whether they are a Net Control Station or just a user checking into any of the 3905 Century Club Nets who needs to maintain accurate records about all aspects of particular net.

PKTerm for windows - Pkterm 99 is a host mode terminal program for the timewave and aea tncs. it works with windows 95, 98, and nt.

The KB6IBB Utilities for Palm OS - designed for the ham radio operator or radio scanner hobbyist. It houses four databases that organize your frequency lists. EDACS Trunk - A database that houses the entire EDACS ID table. Conventional - A database that houses lists by channal number. Radio Call Log - A database that allows the user to log calls/notes. Ham Radio Repeaters - A database for ham radio repeaters.

Ham Radio Control Libraries - Hamlib is a library aid for software developers wishing to incorporate control of amateur radio hardware into their programs. Hamlib will allow ham radio software authors to concentrate on the user interface and the basic function of the program rather than radio control.

LA7MI 40W RF Amplifier for 80m - 40W Linear Power amplifier with FETs for 80m Some notes about saturation in ferrite- and iron-cores. Written by LA7MI Stein Torp, N-5005 Bergen

Using ferrite for interference suppression - Excellent guide to using ferrite cores for interference suppression. Understanding and Solving RF Interference and Noise Problems by Jim Brown K9YC Audio Systems Group, Inc. PDF File

SV1BSX Homebrew Corner - Offer a wide range of homebrewing projects mainly for VHF UHF operations. From vhf antennas to preamplifiers, chargers and power supplies

Filters and Ferrites in EMC - This article is about the characteristics and use of various filters and ferrites for solving amateur radio electromagnetic compatibility problems involving breakthrough of amateur signals into domestic equipment such as television sets, video recorders stereo sytems etc.