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RF Balun Transformers - This application note is designed to help the reader understand how balun transformers can be used in today’s RF/Microwave communication applications.

The Thick Loop - The performance of a small magnetic loop can be improved constructing it larger, thicker or both. The antenna is covering from 12 Megahertz to 32 megahertz and adding a 156 Pico farads ceramic capacitor it resonates on the 40 meters band. by PY1AHD

I8EMG-B - I8EMG is running several beacons from 10 meters to microwaves

Newton Amateur Radio Club - A dynamic site for ham radio information in central kansas

Michigan VHF - promote VHF-UHF activities throughout the State of Michigan

Big Rapids Area Amateur Radio Club - BRAARC, Big Rapids is located in central Michigan

KC8VTO Barry Amateur Radio Association - BARA is an ARRL affiliated club in Barry County, Michigan, which is located in the southwestern part of the Lower Peninsula.

W8YDK Milford ARC - The Milford Amateur Radio Club, Established in 1961 Milford, Michigan

Livingston Amateur Radio Club - LARK Livingston county michigan

W8JXN CARS - Jackson Michigan

Lapeer County Amateur Radio Association - Serving Lapeer County & Surrounding Communities in Michigan

MicroHAMS - Microhams is a dynamic organization of hams in the Puget Sound area. The club includes a broad range of people from our local tech industry who participate in just about every aspect of our hobby.

XLT Communications - XLT Communications two way radio accessory manufacturer, microphones, headsets, belt clips, earpieces, radio cases

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

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

April Instrument - April instrument, manufacturer of programmable microwave signal generators

TRAK Microwave Corporation - Signal generatos, oscillators, direct and indirect synthesizers, exciters custom oscillators

K4JCW - Hellschreiber Resources

YAESU VX 2R REVIEW - Jim baudo N0UQZ review of the Yaesu VX-2R

DERF electronics corporation - Distributor of electronic components like diodes Transistors Microcontrollers Microprocessors connectors, switches, relays, integrated circuits, eproms, leds

Scientific Surplus - Buy, sell and trade electronic and scientific instruments. Oscilloscopes, microscopes, signal generators, RF equipment, short & long wave radios, meters and wattmeters, detectors (radiation, metal), spectrum & network analysers military equipment

TEL-Atomic Incorporated - Tel-atomic sells physics educational apparatus, oscilloscopes, counters, magnetic meters

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

MicroDuplexer - Learn a little bit about how duplexers work and building your own.

80m CW QRP transmitter - 80 metre ceramic resonator VXO CW Transmitter by VK1PK