power led

3 elements VHF yagi antenna - 3 elements VHF Yagi homebrew antenna designed with YAGIMAX 3. Maximum forward GAIN is about 8,17 DBi. This antenna offering an effective radiation power 4 times greater of the transceiver output by SV1BSX

The Curtain Quad - The Curtain Quad is a broadside array of 7 to more than 200 elements using a very powerful but seldom used method of power distribution

CobWebb revealed - A 27 pages pdf file revealing secrets of the cobwebb antenna with many pictures and assembling details

HF Antenna Switch - The purpose of this remote antenna switch was to be able to select between four different antenna combinations The unit was designed to work at RF power levels of around 100 watts by G8JNJ

D-Star presentation and sounds - A powerpoint presentation of the D-STAR operating mode by K7VE includes d-star sound samples

Anritsu - Provides technology and solutions for the electronic test and measurement, optical, rf and microwave, wireless, wired, telecommunications. Make Frequency Counters, Antenna and spectrum analyzers, power meters, signal generators

Keithley Instruments Inc. - Digital multimeters, power supplies, frequency counters, RF analyzers, signal generators

Phase Matrix - Frequency Counter w/Selective Power Measurement, Microwave Sythesized Signal Generator

Agilent - The premier measurement company advancing electronics, communications, make signal generators,oscilloscopes, meters, multimeters, voltmeters, power analyzers

TekNet Electronics - Frequency conunters, multimeters, oscilloscopes, spectrum analyzers, power supply and RF network analyzers.

Deree Electrical - Specialized in manufacturing measurement instruments for more than 25 years. Clamp meter, digital multimeter, analog panel meter, thermometer, and led panel meter

EQS Systems - Test and measurement instrumentation, AC & DC power supplies, power sources and analyzers, data acquisition systems and boards

Hameg Instruments - Spectrum Analyzer, Oscilloscopes, EMI Measurement and Power Supplies German test equipment maker

Yokogawa - Maker of optical spectrum analyzers, digital oscilloscope, digital power meters and more test equipmente related products

BK Precision - Power supplies, electrical testers, battery analyzers, cable tester, rf generators, spectrum analyzers, Digital/Analog Oscilloscopes, Multimeters , attenuators, frequency counter

A Guide to Test Equipment - That just about sums up many peoples’ attitude towards test equipment. Multimeter, SWR/Power Meter, Dip Oscillator, RF Signal Generator, Cathode Ray Oscilloscope

D-Star Query - DStarQuery was written to provide a universal query mechanism for Icom D-STAR enabled radios with a low speed port.

Yaesu VX-2R Quick Reference Card - A downloadable free quick reference card for the Yaesu VX-2R in powerpoint and PDF file ready to be printed.

Yaesu VX-2R Dual-Band Transceiver Review - Usage information and notes compiled by Anthony W. Haukap

Memphis Amateur Electronics - Carry hundreds of ham radio products including amateur radios from Alinco, Icom, Kenwood, and Yaesu, plus ham radio products from MFJ, LDG, Diamond Antennas, Hustler, Ameritron, Astron power supplies, and books of all kinds

Leader Instruments - Test Equipment Depot - New and pre-owned agilent, avcom, fluke, hewlett packard, instek, iwatsu, leader, lecroy, tektronix,and more. Analog oscilloscopes, spectrum analyzers, network analyzers, power supplies, video test equipment, generators, meters and more

Naptech - Naptech buys and sells quality test equipment from hp, tektronix, including spectrum analyzers & peripherals, oscilloscope, frequency counters timers, signal generators, multimeters & voltmeters, RF & power meters, microwave amplifiers

FILPRO - The most flexible and powerful Microwave and RF Filter and Multiplexer Design Software

WinRad - Winrad is a software program designed to implement a so-called Software Defined Radio (SDR), meant to run under Windows XP, Windows 2000, or Windows 98SE

Noise Figure Meter with a Spectrum Analyser - A relatively simple automatic Noise Figure (NF) meter was developed which is using a spectrum analyser as the receiver and logarithmic power detector.