short wave listening

21 mhz half wave GP Antenna  ^updated - 21 mhz half wave ant -very low radiation angle - full size and light weight- all coax matching system - decoupling care to prevent low angle radiation degrade

Vertical antenna for 160 meter - This high antenna require a large ground composed by 40 radials. It's not very handy expecially in windy situations but is very powerfull in pile-ups. In italian

VK5AH -HF 4 Bander dipole  ^pop - 80 - 40 - 20 - 15 meters dipole antenna

40m/80m Portable antenna  ^pop - Portable antenna for 40 and 80 meter

Morgain Antenna for 40/80 - Simple and cheap antenna for 40/80 meter band

Dipole for 40 meters - Shortened dipole with traps for 40 meters band in portuguese

Vertical half-wave aerials for 4m - Practical designs pictures and alternative design of antennas for 70 Mhz by Ross Wilkinson G0WJR

A Full Wave Loop for 80 - 10 Metres - VE3HCR article of a home made loop antenna for 80 meters band

Antena Bazuca - Drawings and short descriptio in spanish for dipoles and bazooka antenna.

Magnetic Loop Antenna - Although a magnetic loop antenna(aka small loop antenna) is very compact, its efficiency is close to a half-wavelength dipole if carefully built.

Whip antenna for Yaesu FT-817 - Picture collection of a whip antenna similar to the Whip Miracle, in italian

About NVIS antennas - What is NVIS Near Vertical Incident Skywave

Fundamentals of Off-Center-Fed Dipoles - Off-center-fed dipoles (OCFs) are 1/2-wavelength wire antennas fed at neither the center nor the end, but somewhere between--off-center

Rhombic Antenna for 30m - 6m - Rhombics are high gain directive wire antennas

K-FACTOR Table & Chart - Determine the K-Factor used as a multiplier when constructing half-wave antennas.

Wlan antenna Waveguide type - This antenna is constucted only of a cylindrical can and a N connector with centre tap lengthened

K8GP Delmarva VHF and Microwave Society - K8GP web site, home of the Grid Pirates Contest Group.

DX Audio Files - MP3 Sound Clips - International Medium-Wave DX by Mark Connelly, WA1ION

RF HAMDESIGN - An engineering oriented organization specializing in the design and manufacture of high performance parabolic antennas, 3dB high power RF couplers, Antenna power splitters, directional RF couplers and more items for RF transmission from HF through Microwave frequencies.

Local Area Communications - Communications for short distances can be done in VHF or in HF mode, here is explained the differences.

ScanIowa.com - Welcome to Iowa's newest interactive site regarding radio scanners. We have the latest information on listening to police agencies, fire/EMS, severe weather, and much more.

Lowe electronics - UK dealer for pmr audio accessories, batteries and cases, audio accessories and airwave tetra products

abc Morse Code for Palm - Palm OS Morse code tutor. Farnsworth support, Flashing backlight support, HUGE font in random free run mode, a cool scrolly bar when listening to QSOs, a handy Morse-to-text-and-back translator / converter, built-in Q code quiz, For Palm OS 3.5 or higher

PKTerm for windows - Pkterm 99 is a host mode terminal program for the timewave and aea tncs. it works with windows 95, 98, and nt.

Propagation Wizard - Freeware windows application that help in determine the availability of a shortwave link, by Rohde & Schwarz