frequency interference

Broadband receiving antenna matching - This article addresses the subject of obtaining the best signal transfer from an antenna to the typical 50-ohm receiver input over a wide frequency range, with emphasis on medium-wave (500 – 2000 kHz), encompassing the standard AM broadcast band and the 160-m amateur band.

LX Frequency Plan - Luxembourg Amateur Radio Frequency Plan

ARRL: US Band Plan  ^pop - Includes a downlodable colorfull or b/w US Band Plan in PDF Format

F9HS VHF EME - My hamradio activity : very high frequency communications using the moon as a passive reflector.

Canada's Radio Community - Filled with info about Ham radio and frequency listings as well as great links.

National Radio Data - United States and Canadian call sign/scanner frequency databases, Worldwide airport frequencies, FIPS codes, Mass Media searches for DXing and more!

Ham Radio Live from Dallas, Texas  ^pop - An online Ten Tec Pegasus with a schedule of frequencys monitored, by Bob, K5AHT, Bill, K5WGA and Pete, AE5PL.

bhi Ltd - Design & manufacture of Noise Eliminating speakers and modules for effective removal of unwanted noise & interference from SSB, HF, VHF, FM & UHF using new DSP technology

Valcom Fibreglass Whip Antennas - Manufacturer of Fibreglass Whip Antennas, Low and mediun Frequency, HF and VHF Antennas Specialized in the design and manufacturing of a full range of Beacon (MF), AM Broadcasting 540 - 1700 KHz, HF 1.7 to 30 MHz, VHF 30 to 156 MHz and UHF 200 to 500 MHz antennas.

Frequency List  ^pop Priority listing - A comprehensive list of what is on the frequencies between .5 MHz and 5,000 MHz

ERO Frequency Information System - ERO Frequency information system, search frequency allocation database for many european countries and ITU region 1

VOACAP Quick Guide - A Quick Guide to using VOACAP - Point-to-Point High-Frequency Ionospheric Communications Analysis and Prediction Program

Iraq War Frequency Info. - IRAQ War Military HF freqs, Aero HF frequencies and Shortwave Broadcast schedules of interest

Dutch Frequency Database - More then 9000 frequency's about NATO , Police Firebrigades Ambulances Goverment Miletary Navy and Aircrafts.

UK Scanner frequency database  ^pop - Large frequency database of uk counties, includes forums and reviews

ScannerWorld.com - Radio Scanners Uniden Bearcat, Antennas, CB_Radios, Ni-Cad Batteries, Frequency Books, Accessories, Power Supplies and Cords, FM Two Way Radios, and other Related Merchandise

Beacon-Prediction Wizard Priority listing - Specialized interface for the communications-analysis-prediction engine provided by VOACAP, predicts the expected performance of high frequency, HF, radio systems

ACE-HF Propagation Prediction Software - Professional PC software for hams that uses VOACAP and includes area coverage maps animated by time or frequency

RX-PSK31 - Easy to use Audio Spectrum and PSK31 decoding program specially designed for SWL's who don't need TX or for anyone who just like to monitor PSK31 or analyse signals. Adjustable DSP and Spectrum settings for audio and frequency spectrum to set for best decoding of PSK31.

GSpec - Spectrum Analyser for Win9x/2000 and NT, that will display audio input to your sound card in the Frequency and Time domains

Rogerbirds HR 2510 mods - Rogerbird's Radio Modification Information, HR2510 or Lincoln Frequency Conversion Instructions, Mic Gain Modification, and more

Eliminate That QRM - reduce or completely eliminate interference from almost any local source whilst leaving the wanted signal relatively unaffected, even though it may be on the same frequency

The Radio-Frequency Ground - You were told that your audio was no good, that you had "RF in your audio ? This is also known as RF feedback

LC METER - Inductance and Capacitance meter using``Frequency Shifted Oscillator

2 Meter FM Channelized Frequencies - It is possible to program almost every repeater and simplex frequency for most areas for the entire 2 meter FM band plan into a radio's memory channels.