short wave

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

2-Element-Yagis for HF  ^{updated  pop} - 2-Element parasitic Yagis for the Shortwave-Bands 10-12-15-17-20-30m. The antennas are feeded with the DK7ZB-match. A quarter-wave choke of coax is grounded at the socket.

40 meter shortened dipole - M0MCX - Interesting little project with a couple of loading coils by M0MCX

40-80 Half-Extended Double Zepp Antenna - A dual-bander for 80M and 40m. An Extended Double Zepp (EDZ) is a 5/4 wavelength center-fed dipole. This article will introduce the Half-Extended Double Zepp (HEDZ) which has characteristics that a lot of amateur radio operators should find quite interesting

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

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.

Shortened Center-Fed Half-Wave Dipole - Design your owm HF shiortened dipole

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

NVIS: Near Vertical Incidence Skywave - Introduction to NVIS advantages and disvantags.

About NVIS antennas - What is NVIS Near Vertical Incident Skywave

AMANDX Dipole - The longwire antenna is a very effective antenna for the listener who wants to cover all of the shortwave bands from 530 KHZ to 30 MHZ.a

Receiving Antenna Design - Learn basic theory on antennas, and notes on homebrewing efficient shortwave antennas

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

6m Half wave vertical - This antenna is very useful for receiving or scanning purposes, but you can use it for transmitting, too. It is 2,94m long and has a pi-configuration (Collins-Filter) for the matching.

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.

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.

GI-7 B/GI-70 BT - The GI-7B (GI-70B) microwave triode

Medium Power Amplifiers for 24Ghz - By John Hazell G8ACE