470 mhz swr meter

Generic 2 Meter J-Pole antenna - Here's an antenna that you can take with you. This is made from cheap flat 300 ohm TV antenna wire.

Build a 2 Meter 5/4 Wave Antenna  ^pop - This antenna is unique in that it is enclosed entirely in 3/4" PVC by N1HFX

Dual Band Vertical On Autopilot - A good 20 & 40 meter dual band vertical using a novel tuning method that provides automatic band switching.

Six Meter Wavelength Band Antennas - Why 6 meter hams design the best antennas

8-Element 430 MHz Quagi - Picture and notes of a 8 elements Quagi antenna for 432 Mhz b Paul Bock, K4MSG

F5TER Antenne EH 160 M - EH Antenna for 160 meters band and links to more EH antenna plans

6 meter HexBeam antenna - SP3FHI hexbeam antenna built with bamboo sticks

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

Loop Antenna Design - Full-wave loops are very popular antennas. They are especially useful on 80 and 40 meters where they perform well at modest heights

An automatically tuned 7-30MHz mobile antenna - This is a base-loaded vertical antenna that mounts on the car's roof. The loading coil is designed as a variable inductor, with a three-legged chariot that travels up and down inside the coil, with grooved brass wheels running on the coil turns, and driven by a slotted rotor tube.

F5KEE Quagi 8 elements - An 8 element quagi antenna for 2 meters band, with pictures and diagrams, in french

A homebrew 10-element 900 MHz quagi - A 10 elements quagi antenna for 900 mhz

Installation of a Utility Pole - There are many ways to support an amateur radio antenna. Installatio of a utility pole will provide an antenna height of approximately 13 meters (40 feet) and will require no guy wires.

Planetary SKIPshooters - Planetary SKIPshooters: Society for Keen Ionospheric Propagation - A CB Radio (Citizens Band Radio) DX (shooting skip) Group (Club) for 11 meter radio communications.

Rob's UK CB Radio information site - Rob’s uk cb radio information website, here you will find information on cb radio, swr, Morse code, frequency charts, 10 codes, q codes, z codes, cb chat room, cb radio forum plus lots more.

ZeroFive Antennas - Vertical antennas for all HF bands, expecially 80 40 20 meters bands

KK7UQ - Digital Radio - The KK7UQ computer to radio interface, sound card interfaces, IMD meters interface products

Jetstream - Antennas, base mobile scanner and vhf antenna, coax cables, coax switch, Lightning Arrestor, mounts, power supply, speakers and wattmeters

Using the Heath SB-200 Linear on Six Meters - Improvements to Using the Heath SB-200 Linear on Six Meters by Ron Klimas, WZ1V

WSJT - WSJT is a computer program for VHF/UHF communication dedicated to EME. Support FSK441 for meteor scatter, JT65: for EME and extreme troposcatter, JT6M: for meteor scatter (optimized for 50 MHz)EME Echo: for measuring your own echoes from the Moon, CW: for EME QSOs using 15 WPM Morse code

Circuit Specialists - We specialize in pc-based data acquisition systems, test equipment, electronic components, disk on modules, choke and coils, diodes, capacitors and connectors, potentiometers, crystals, resistors, relays

5 Watt 40 Meters transmitter - This circuit is unique in that it uses a power mosfet as a final rather than a conventional bipolar transistor.

A cheap S Meter - A low-level voltage meter and could even be used for audio purposes.

The ROSE 80 CW Transceiver - Build a 5 watt, 80 meter QRP CW Transceiver Designed by N1HFX

Television channel 11 interference. - Solving interference from television channel 11 on 144MHz transverters by Chris Cox, NØUK, G4JEC