long wire

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

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.

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

Ak-Sar-Ben Amateur Radio Club - The Ak-Sar-Ben Amateur Radio Club, Inc. of Omaha, Nebraska is a general interest amateur radio club. With nearly 300 members there is someone involved in every aspect of amateur radio. We make a special effort to participate in providing communications support for public service events, Field Day, and teaching classes for those who wish to obtain an amateur(ham) radio license or upgrade their license privileges. The club sponsors regularly scheduled Volunteer Examiners as part of the ARRL VEC program. The club also hosts a flea market in the fall and hosts an all area picnic in the spring. There is evidence of the club as far back as the 1920s and has a long history of community service and promotion of ham radio in the city, county and state. The current club was started in 1945 the club has been affiliated with the ARRL since that time The club has hosted the Midwest Division Convention in 1985 and in 1994. Tthe club has participated in Kidz Explore in Omaha which is attended by over 77,000 people. The AARC is also involved with the radio merit badge program for the Boy Scouts with several members being registered merit badge councilors. The club operates two repeaters under their KØUSA callsign, 146.940 and 224.940. Both repeaters are open for all licensed amateurs to use. The 146.940 repeater is home to Midlands ARES and Douglas County ARES nets.

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.

Satellites list - Long and detaliled list of AMSAT and other satellites with pictures, drawings and satellite informations

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

Long Beach California Frequencies - A complete list on Long Beach Frequencies. Long Beach Police Penal Codes, and Police 10 Codes

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.

WR International - WR International “Europe’s Nostalgia station” Playing all the songs that you grew up with and radio has now long forgotten.

Introduction to number stations - long article on number stations history

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.