high voltage

10 meters Loop Antenna - 10 m band, 2 element horizontal high gain loop antenna

ZS2FM 50MHz High Gain Antenna - An high gain yagi antenna for six meters band

High gain vertical antenna for UHF - How to build a high gain vertical antenna for the UHF amateur or CB Bands, by radio experimenters handbook

A Brolly Dish for AO-40 - A umbrella dish. Portable high gain antenna for AO-40

Basics of antennas - The current, the voltage, the impedance, the bandwidth, the polarization, and how the earth influences the famous radiation pattern.

W4UA High Point Amateur Radio Club - Web site for the High Point Amateur Radio Club, serving High Point, NC and surrounding area communities.

San Joaquin County Sheriff and Stockton Police - Recorded scanner radio traffic from police and fire department communications. Stockton Police scanner recordings of pursuits, fights, shootings, officer involved shootings, in progress high intensity calls.

Marine VHF Radio Live Streaming Audio - Live streaming audio of VHF marine radio channels 05A, 16, and 22A from Manasquan, NJ.

REP Design - manufacture and sell unique, high quality, amateur radio products like HF and VHF antenna mounts

ROLCON RF Systems - High quality VHF/UHF Yagi (directional) antennas

Tecom - Tecom industries product line encompasses a wide range of highly sensitive active and passive antennas for use in airborne and ground applications, providing complete coverage of the 20 MHz to 40 GHz frequency range.

US Interface - One USB cable to your computer does it all include high speed sound card and audio monitor, works with most of remote control software.

PhaseFree, Inc. Surge Suppression - PhaseFree, Inc. Surge Suppression. Provide customers with the safest and highest quality surge suppression on the market. Providing surge suppression for the Navy's MARS stations protecting their investment.

Paddlette - Paddle keys. Manufacturer specializing in high performance, top quality miniature paddle keys and iambic keyers for mobile and QRP operators.

HST 2010 Poland - 7th IARU Region 1 High Speed Telegraphy Championship, 5-9th October 2010 Skierniewice Poland

Radiowave Propagation Center - High frequecy and VHF radio propagation data, solar and geomagnetic real-time and historic data, sunspot activity reports, as well as forecasts. A comprehensive propagation resource compiled by Tomas Hood, editor of the propagation columns of CQ, CQ VHF, Popular Communications, and Monitoring Times magazines.

Ontario Police LIVE Streaming Audio - Live streaming audio of Ontario Police Department. Super clean receive and high quality audio supporting up to 300 listeners.

Quality Tower Erectors - Quality Tower is dedicated to performance as a manufacturing and installiation leader by delivering high quality services in a timeframe that will meet and exceed based in Florida

Cox Antenna - Dedicated to providing the highest quality service and products to its customers. Experience in the Antenna Tower, Antenna and Satellite markets

Grig - Grig is a simple Ham Radio control (CAT) program based on the Ham Radio Control Libraries (Hamlib). It is intended to be highly generic presenting the user to the same graphical user interface regardless of which radio is being controlled.

HamMorse for iPhone - Ham Morse allows you to practice morse code on your iPhone or iPod Touch. It is designed particularly for Ham radio operators and others who wish to achieve or maintain a high level of proficiency in this classic mode of communication.

GS-35b HF Power Amplifier - The amplifier described here is an update of the High Power linear amplifier described in the July, 1995 issue of the "Radiolubitel. KW i UKW" magazine in Belarus. In English, this is "Radio Amateur. HF and VHF". by Gary Podgorny, EW1MM

High-Pass Filter Design - Online high pass filter design page with introduction to high-pass filters by K7MEM

An universal power supply for rigs - VU3NSH article on high current universal supply for rigs

Calculating the Received RF Noise Power - Voacap, high-frequency ionospheric communications analysis and prediction