sky wire

X beams antennas - X bams wire antennas for 15 meters band

70 cm ATV Antennas  ^pop - Home made antennas, ATV stuff, 70 cm antennas, helix antennas and a lot of intresting pictures to view

WW2Y/K2WI Beverage design - Ideas for enhanced beverage antenna performance, Single wire beverage improvements and arrays of two beverages

How to get a Perfect Beverage - Antenna special on hard-core-dx, how to install a perfect Beverage

Why terminate a Beverages - Terminating the far end of the Beverage makes it unidirectional. It also makes the receiving angle of the antenna lower.

Poor ground, better Beverage - Poorer conducting earth beneath a Beverage gives better performance

Beverage Antenna Construction - Types of beverage wires, choose best supports and insulators, multiple antennas at one feedpoint, all well documented with photos and exaustive explanation.

Helix Calc  ^updated - Helix antenna calculator, to design and make helix antenna plans

Online helix antenna calculator - PHP Helical antenna calculator, need SVG viewer

Interference Cancelling System - The use of interference signal cancellation has been around for some time. The idea is to use an auxiliary antenna almost any random length of wire in addition to the main receiving antenna

Indoor Random Wire versus Indoor Magnetic Loop - Comparison of performance between an indoor random wire versus a magnetic loop using psk31

Reflected M beam for 20 meters - The Reflected M beam is made from a pair of wires formed in the letter M that are back to back. One M serves as a driven element and the other can be either a director or a reflector

Central Arkansas Radio Emergency Net - The C.A.R.E.N. Club is one of the oldest amateur radio clubs in Arkansas, dating back to the late 1950s. Just as the name implies, the C.A.R.E.N. Club is the state leader in emergency communications, SKYWARN, Amateur Radio Emergency Service (ARES), Radio Amateur Civil Emergency Service (RACES).

RF Cafe - Amateur Radio Links - RF Cafe is a unique portal of RF, microwave, wireless, and other engineering resources. Vast collection of equations, references and conversions for electrical, mechanical, physical, and mathematical fields.

CES Wireless Technologies - CES Wireless Technologies manufacturer of Mobile information Systems including Dispatch and Mapping Software, GPS, AVL, Mobile Data Display Terminals, ANI, CTCSS, and Microphones

The reflected W beam - Hexagonal wire beams for all hf bands, technical resource, EZNEC files, tools for antenna modeling and documentation. You can also order parts to build your own antenna.

International Tower Supply - Manufactures and distributes tower and wireless site components including antenna and sector mounts, site hardware, ice bridge and cable tray. Specializing in custom fabrication of work and equipment platforms; all hot-dipped galvanized.

How to build a simple wireless telegraph set - The simplest wireless telegraph set consists of a means of generating and controlling a spark which sends out radio waves into the air, and a receiver or detector to detect the radio waves.

CES Product Manuals - CES Wireless Technologies is a world leader in the design, manufacture and implementation of Wireless Signalling products - Including GPS, AVL, MDT's, Mobile Data Terminals, CTCSS, and Microphones

eBay Store - ON Antennas J Pole - Buy ham amateur radio, antenna, j pole items from ON ANTENNAS J POLE eBay Store. We sell ham amateur radio, stealth wire, 2 meter, vertical items on eBay.

Lentini Communications, Inc. - Lentini Communications, Inc. was established in 1954. Located in Newington, Connecticut, home of the American Radio Relay League, retail and mail order outlet serves all your wireless communication needs. Stock amateur, CB and shortwave radios as well as Nextel cellular phones and more.

J. N. H. Distribution - J N H Distribution - We are a company based in South Carolina. We are an electronics company with 13 years experience in sales and service.

Coaxial Cable & Power Handling - This calculator can be used to estimate the attenuation (dB loss), power handling capability, and transmission efficiency for some of the more popular Wireless Communications and MIL Spec cables at the frequency of interest

Why grounding - Overvoltage protection, Voltage stabilization, Grounding in wiring, Ground wire resistance

Antenna Noise and Signal Cancelling at LF - By using the signals from two antennas, controlling their relative amplitudes and controlling the phase of one of them, unwanted signal or unwanted noise can be phased out. Circuitry is described which uses the signal from a wire antenna to provide selective cancelling against the signal output from an LF loop antenna.