fir filter

K3KY's Short Beverage  ^pop - Originally planned as an 80/160 Beverage, this antenna is a terrific performer on 40 and 30 meters

Setting the SWR of Your Antenna - SWR (standing wave ratio), is a measurement of how efficiently your antenna system will radiate the power available from your radio. In simple terms, your radio would like to radiate all of its power, but can only do so if the other components cooperate

DXWatch  ^pop Priority listing - Cluster spot filter service and webcluster, receive your filtered spots via email or icq.

GJ - Jersey Shack rental - Shack rental terms, The shack is available on a first-come first-served basis. Confirmed reservations will be filled first

Tucson AZ Radio scanner  ^pop - Tucson, AZ police and fire scanner from StarNet, the online service of the Arizona Daily Star. Flash required to listen.

Shelby County Scanning - Live feed of Shelby County, TN Police Fire and EMS, by scanmemphis.net

New York Hudson Falls live scanner - Live feed from Warren county fire dep. radio

Paducah Police Scanner - Paducah, Kentucky scanner stream website. Police and Fire online 24/7 for your listening pleasure

DCI Digital Communications - Band pass filters, for radio frequency interference problems.

ON4AOI Automatic Band Decoder - Automaticaly select the correct antenna and bandpass filter, by ON4AOI

Ameco - Text books relating to amateur radio (HAM radio), highpass and lowpass power filters, transmitter test loads (dummy loads), study tapes and disks to learn morse code, transceiver preamplifiers, antenna signal boosters.

Idiom Press - CW keyers, Logikey, and antenna rotator controll like rotor-ez, and active audio low pass filters.

CW Command Post - Replace four separate accessories keyer, keyermemory, audio filter, and audio amplifier-- with one box containing allfour and providing for multiple inputs and outputs. N1FN CW CommandPost A not very original CW operating accessory "put together" by N1FN

QRP When Less is More - Marshall G. Emm N1FN/VK5FN First published in "73 Amateur Radio 05/2000

ACARS VHF Data - The first of a series of articles that provide an introduction to the latest ICAO defined digital communication modes, including VDL modes 2, 3 and 4. In this edition we begin with the current ACARS application then bring this up to date with AOA.

Eufaula police scanner - Live Streaming Scanner Feed for Eufaula, Alabama's Police & Fire Depts. and the Barbour Co. Sheriff Dept.

Sydney Scanner Frequencies - One of the best compilations of frequencies in Sydney particularly SW. Include Police, other emergency people, Marine, the entire aircraft list for Sydney, RAAF squadron frequencies, UHF CB frequencies as well as a heap of miscellaneous frequencies like security, shoppin malls etc.

Sydney fire - Australia, Sydney Fire information and monitoring website, Live sydney radio fire stream.

Las Vegas Scanner Frequencies - These are some of the frequencies that you can listen to when you are in Vegas with your radio scanner. Includes metro, police, fire dept.

The Maine Store - Manufacturer of custom belt buckles,coffee mugs,t-shirts,sweat shirts,maine gifts,name tags,call tags and awards for police, fire, sheriff, ham radio and amateur radio clubs

Spy Stations and Cryptography - This article first appeared in the October 1998 issue of Monitoring Times

Glenn Hauser's World of Radio

WD6CNF DSP Filter - Audio Digital Filter, two bandpass filters, three notch filters, two noise filters graphical setting of filter center frequency and bandwidth Drag vertical lines on top of signal, Microphone input, speaker output Mono, 5 kHz bandwidth

HamView - A freeware program to dig out weak signals buried in noise, functionally similar to the excellent FFTDSP of AF9Y, but with the added bonus of real time audio filtering of the incoming signals. Just point and click with the mouse, and the selected signal will stand out from the QRM and noise.

Programming VHF/UHF Radios - Programming a new VHF/UHF radio usually proves to be a frustrating experience for most new amateur radio operators. A new radio must first be programmed for simplex and repeater operation before it can be used to communicate with local hams.