w2ihy noise gate constru

Diplexer construction 2m/70cm and SW/VHF - Build your diplexer with more than 70db port isolation and less than 0.2db attenuation. Easy project.

40 thru 10 Meter Zepp Antenna  ^pop - A modified 20 meter double zepp wire Operating Bands: 40 thru 10 meters (with tuner), basic construction and performance information.

EH antenna fo 160 mt by Iz7ath  ^pop - EH antenna for 160 mt: my experiment and comparison with a short vertical. with full details on construction procedure and testing.

W8JI Technical pages  ^pop - Amplifier, vacuum tube, receiving beverage loop vertical and transmitting antenna system technical information radiation resistance, EH antenna, noise,receivers, and information on keyclicks.

Quad Loops  ^pop - Quad loops can be a practical way to get some gain without constructing a full Cubic Quad

Local QRM reduction - It is not always possible to tackle the sources of local QRM. What remains is trying to reduce the noise level by means of your antenna system. Learn how to reduce QRM and understand how cancell noises by PA0SIM

This old dipole - An antenna construction workshop conducted at Marshall N1FN's QTH

Bulgarian Callbook - Bulgarian (LZ) Ham Radio Callbook.

PMR446 Personal Mobile Radio - PMR446 radio information, news, reviews and forum. We also run a PMR446 gateway network using the eQSO system.

Opequon Radio Society - The Opequon Radio Society is an ARES affiliated club operating in the Eastern Panhandle of West Virginia.

Charlotte County Hamfest - March 15,2003 Charlotte County Fair Ground Port Charlotte Fl.Large Tailgate area,Inside vendors.

Amateur Packet Radio Gateways - You'll find more than 330 Amateur Packet Radio Gateways on world maps.

bhi Ltd - Design & manufacture of Noise Eliminating speakers and modules for effective removal of unwanted noise & interference from SSB, HF, VHF, FM & UHF using new DSP technology

KB9VBR J-Pole Antennas - All copper J-Pole antennas for sale. 6 meter, 2 meter, 222 MHz, 440 MHz, LPFM, Marine, GMRS. Includes a construction plan in pdf format if you wish to build your own antenna.

Date and Time Gateway - Worldwide current time locator

EQSO.ORG - eQSO is a complete dedicated ham radio internet gateway and server system. It is intended for use by RF gateways and PC users connected to the internet

Amateur Packet Radio Gateways - Amateur Packet Radio Gateways by dl1eis

Quadrifilar helicoidal antenna - Design your own quadrifilar helix, the site even generates a drilling pattern in a PDF file. Several different construction methods are shown.

Westgate Laboratories, Inc. - We are a supplier of electronic component parts for the restoration and repair of CB, Ham and Antique Radios and other types of communications equipment.

RadioReader-Pro - Professional software for real-time analysing, demodulation/decoding digital radio-transmission``Demodulation based on the best of the noiseproof correlation algorithms``Demodulation ASK, Morse, FSK, MFSK, CPFSK, GMFSK, FSK4, FSK8, PSK, BPSK, QPSK, FAX

TCalc - TCalc+ analyses the Noise and intermodulation performance of radio receiver front-ends.

eQSO - Dedicated ham radio internet gateway and server system. It is intended for use by RF gateways and PC users connected to the internet

50 MHz GS35B 1500 Watt Amplifier - 50 MHz 1500 Watt Russian GS35B amplifier. Well documented. Complete construction details,pictures,schematics, and more.

Six Meter Heliax Duplexer Construction - Duplexer capable of handling a high power 500khz split six meter repeater.

Radio QRP - The Art of Low Power - QRP is The Art of Low Power Radio where the challenge is to operate and/or build AM radio transmitters usinga bare minimum of components, money and construction skill.