239 feed thru

Antennas and Feedlines - Long article on antennad and feed lines

The G5RV Antenna System Re-Visited - The original G5RV antenna system consists of a center-fed horizontal 102' wire plus a 34' length of open-wire 525-Ohm feeder. Louis Varney, the antenna system's developer, intended two other features. Learn more at Cebik website

Low reactance multiband center feed wires - An antenna system is more easily interfaced to a radio when the input reactance at the feedline terminals is low or close to series resonance

Shunt feed a hustler mobile HF Antenna  ^pop - 40 and 20 meters mobile antenna

The Bird Feeder Antenna - A hidden antenna must be just that: hidden. So don't install an antenna, but something else. Lika a bird feeder.

W5JI Boatanchor Haven - Dedicated to the Care and Feeding of BoatAnchors, includes some Drake catalogs, and 1968 Collins Mechanical filter catalog pages

RC.N Home of Radio Contesting - Interactive home for radio contesters. Includes scores database, access to contester chat, forums, real-time posting and near-real-time news feed.

Port City ARC - Meets 1st Wednesday monthly Sept. thru June. 100+ members, repeater W1WQM 145.150 / PL 127.3

NW Ohio - Ham Fest 2003 - Saturday October 11th 2003 2395 St. Johns Rd. in Lima Ohio 8AM to 3PM I-75 exit 122. Talk in on 146.67

Boulder County, Colorado Sheriffs Office Live Radio Feed - Using two Motorola MT500 handheld radios

Blackford County, Indiana Live Scanner feed - Blackford and surrounding counties Police, Fire, EMS, and EMA.

Las Vegas Metro Police scanner  ^pop - Live feed from las vegas police web site. LVMPD, scanner may not be available.

Los Angeles Police Scanner  ^{updated  pop} - LAPD Los Angeles Police scanner. Listen to LAPD Live feed

Monrovia PD CA - Include frequencies for Rose Parade and Rose Bowl

Alabama mobile police - Alabama mobile police scanner feed

Syracuse Police/Fire Scanner - Live scanner feed

KEPS Equipments for AO40 downlink - Complete receive system, downconverters, dishes, feeds and preamplifiers for AO40 satellite users

Amateur Radio Propagation RSS (XML) Live Feed - Live space weather and propagation data, in RSS (XML) format.

Put Your Scanner Online - how to - This tutorial explain how to put your radio feed streaming on the internet using MS windows media encoder.

Newcastle Scanning - Newcastle Scan is the premier radio scanner site for Newcastle AUSTRALIA and a leader in live scanner feed, pictures and emergency recordings GRN INFO AND IDS frequencys

ScanNewBedford.com - Welcome to scannewbedford.com. This site was built for people who would like to hear a live broadcast of New Bedford Massachusetts public services. There are also a few frequencies from other local towns such as Dartmouth, and Fairhaven being broadcasted on our live audio feed. The web site is free for everyone to use and pass along to another friend. Thank you and enjoy the Scan New Bedford Live Scanner Audio Broadcast of New Bedford`s Police, Fire, and EMS.

Radio Vlaanderen International - Current program schedules, RealAudio feeds, and listening tips from Belgian Public Radio which broadcasts worldwide in Dutch, German, French and English.

ERP Calculator Plus - ERP Calculator is an Amateur Radio software utility designed to perform a side-by-side comparison of two Ham Radio antenna systems. ERP Calculator comes pre-programmed with data files including published data for several popular brands and types of coax cable as well as several popular antenna system brands and models. ERP Calculator displays values of ERP, Antenna Power Gain, Antenna Feed point Power, Antenna System Gain in dB, Antenna Gain in dBd, SWR Attenuation in dB, SWR Power Attenuation, Coax Loss in dB, and Coax Power Loss

Axis Spectrum Analyzer - Axis Spectrum Analyzer allows you to record audio along with sincronized 31 band spectrum analyzer readings from any audio source to be inputed into Macromedia Flash movies in an easy to integrate way. The software can also be used to display real-time audio with customized visuals on video devices such as projectors, tvs,etc.

SWR bridge - This SWR bridge works by sampling the amount of power flowing in each direction along the aerial feeder.