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Coaxial-Cable Trap Dipole  ^{updated  pop} - An Attic Coaxial-Cable trap dipole for 10, 15, 20, 30, 40, and 80 meters

AM Antennas  ^pop - The ultimate AM loop antenna article. It is the only article that includes the calculations and detailed plans

GM3MXN Magnetic Loop Antenna - This article describes a loop usable from 7 - 21 mHz, using half inch copper tube 3 feet in circumference

AT Ravenna district - Alfa Tango district of Ravenna official site.

Alfa Tango Oregon USA - Official Alfa Tango Oregon USA Members Homepage

Amateur Radio Comic Books - Ham radio comics and books by Icom America. Include a printable comics calendar

Denver Amateur Radio Supply - A full service dealer of new and used equipment located in Stevens, PA Lancaster County.

GB3DM - Dumbarton District's UHF Repeater in Scotland

Society of Amateur Radio Astronomers - SARA is a dedicated group of people that formed an international society to learn, trade technical information and do their own observations of the radio sky

AMSAT France - AMSAT France official web site

E-layer & Sporadic-E - Two modes of propagation at 50MHz E-layer & Sporadic-E by Ken G4IGO

Sporadic-E - Short notes about sporadic E influence on VHF propagation

Ten Tec Orion II Official page - Orion II HF DSP Transceiver

Dublin Frequencies  ^updated - Army, navy, police, ham frequency in Ireland and N. Ireland

NorScan - Norwegian scanner team

Swedish scanner site - Ham radio & Policescanner by SM6NHP

Component Specialists - A component distributor specializing in local inventory and local service.

I.L. Elettronica srl - Import-export telecommunication equipment Cushcraft Antenna Italian dealer, Kenwood Yaesu Icom Dealer

Radio Blandengue - Transmitting since 1997 from s. america

Capitol Hill Monitor - A club for scanner enthusiasts in the District, Maryland, northern Virginia and southern Delaware USA

Voice Shaper - Voice Shaper is a freeware windows speech pre-processor for SSB transceivers. It receives the voice signal from the microphone connected to the soundcard, and sends the processed audio back to the soundcard in real time by Alex Shovkoplyas, VE3NEA

Spectran - Program designed to do spectral analysis and real-time audio filtering on reception of audio signals for EME, VLF, SETI applications. Offer support for MTHELL, QRSS, DFCW, NDB, WSJT by I2PHD

FTBasic  ^pop - FTBasic is a CAT control program for Yaesu radios FT100, FT817, FT847, FT1000MP Mark V and FRG100

FFTDSP  ^pop - FFTDSP is a PC program which can detect weak radio signals in real time. Uses the PC's soundcard and advanced signal processing techniques, extracts and displays weak signals from the receiver audio.

KI5YN QLF Filter - The QLF filter is a microprocessor based interface designed to go between a standard Morse code key and a radio transmitter