swr protection

Measuring SWR - Measuring SWR and things every CB'er should know

6element 50 MHZ Yagi - Less than 20' long but super gain figure and wideband with flat SWR.

K7EM 80m 4-Square Array - This array has been in use since 1989 The SWR from 3.5 to 3.9 is below 1.5:1

DIY Basic Electronics and Antennas - DIY Basic Electronic Theory, Basic Antenna Theory with Antennas built from common materials. What does SWR really mean. Baluns from transmission line.

Workman Electronics - Amateur radio accessories, power supplies, tvi filters, speakers, microphones, swr meters, preamplifiers, switches, cable and connectors,

WD7S Productions - A collection of kits for control and protection of homebrew linear amplifiers

Comet Antennas  ^pop - Distributor for COMET and MALDOL brand antenna products designed, manufactured in Japan. Distributor of DAIWA brand RF SWR/power meters and switching power supplies.

MaCo Antennas - Maco Manufacturing, HF Antennas, gamma matches, cable assemblies, power supply, swr meters, watt meters

Harger Lightning Protection, Inc. - Harger Lightning Protection is a full line supplier of lightning protection and grounding equipment, servicing the lightning protection, communications and electrical industries.

Zetagi  ^pop - Zetagi amplifiers, accessories, power supplies, microphones, SWR and power meters, battery charges

AEA - AEA Technology Inc. is a pioneer and leading manufacturer of RF and cable test equipment for the wireless, Telco, CATV, NMR & MRI, RFID, telemetry, aviation, commercial, military, and two-way radio industries. Produces SWR Meters, Pre Amplifiers, filters, power meters and antenna testing products

WaveNode Precision Station Monitoring - The WaveNode WN-1 is a precision, full-featured Amateur Radio Station Monitoring System which now includes Audio Announcing for RF power, SWR, and DC monitoring using HF and UHF remote sensors.

Autek Research - Autek Research make three models of RF Analysts, power and swr meters

Diamond Antenna  ^pop - Base station and repeater antennas, mobile antennas, ,multi-band HF antennas , handheld transceivers, receiving and scanner antennas, power meters, swr meters, power supplies, coaxial switches

Radio & Communications  ^pop - Info about many aspects of Radio & Communications. Antennas, signals, frequencies, codes, swr, scanning etc.

PA EchoLink Info Site - EchoLink nodes throughout the state of Pennsylvania. Including an EchoLink message board.

Electriduct - Cable protection products - Offers cable protectors, cord covers, cable guards, management products, solutions and supplies. Protect your cable, wires, and hoses from foot, small carts, and vehicular traffic with the trusted Linebacker Series of Cord Covers.

Scandinavian Weekend Radio - SWR is Finland's first private shortwave station.

SW Radio Africa Home Page - SW Radio Africa is the independent voice of Zimbabwe broadcasting on the short wave

Yagi Designer  ^pop - Program that produces antenna radiation patterns and graphs for SWR, forward gain, and F/B ratios

Amplifier Simulation Program - ASP 4.0 - Design weak signal GaAs FET or bipolar PreAmps. Automatically designs for optimum gain, NF, VSWR or all.

HAMIC - The Ham Intelligent Calculator - HAMIC, is a program designed to simplify a number of calculations commonly used by HAMs. It is designed for the HAM radio hobbyist, but may be useful to others as well. HAMIC has a simple to use, but powerful graphical interface that allows solving simple circuits such as resistors in series or parallel, or more complex circuits such as L networks or T networks. As well, other calculations such as SWR and reactance conversions are supported. Windows shareware.

SWR Mega - SWR Power Meter - SWR and RF power meter for home usage, 8 different RF probes with different characteristics and power ranges by OK1DX

G3TXQ SWR meters - Homebrewed SWR meters projects by G3TXQ

SWR bridge - This SWR bridge works by sampling the amount of power flowing in each direction along the aerial feeder.