grid dip osc.

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

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

Antenna for 40 / 80 meters - A dipole antenna that can be used in 40 and 80 meter band in portuguese

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

Shortened dipole for 80-40 meters - A shortened dipole for 80 and 40 meters band in spansih

6M Square Copper Dipole - Here is the parts list and dim. sheet for a 6m Square Copper Dipole, made from copper water pipe

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

20 meters Cage Dipole - Cage Dipole is based on the fact that a wireframe does emulate a tubing of the same diameter, supposed that the wires in the frame are close enough to resemble a solid surface.

PY8ELO Dipole project - A spanish page about inverted V dipole construction tips and calculations.

De EH DipooleAntenne - EH Antennas, and some PDF file with plans to build an eh antenna, Calculate eh, 20 40 80 meters bands

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.

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

Simple Dipole Antenna for 2m - A simple portable dipole antenna for 144MHz

Speedometers SWR Meters and Smith Charts - Have wondered why a Smith chart has such strange grid lines. Believe it or not, there is a logical progression from Speedometers to Smith charts that will make the Smith grid crystal clear.

Antenna Gain versus Height - Antenna gain for horizontal, vertical, and tilted orientation of a dipole for heights between 5 and 50 feet.

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

International HF Grid Location Contest - International HF Grid Location Contest

Italian Castles Award DCI - With the purpose to let people know about the Castles built on the italian territory and the value which the historical architectural estates hold. Diploma Castelli Italiani by IQ1BP.

CE2GVM Radio Club Gaviotas Chile - Radio Club Gaviotas, Vina del Mar, Region Valparaiso, Chile, CE2GVM, radioaficionados de Vina del Mar, Diploma RC Gaviotas, telecomunicaciones, licencia, radioaficionados CE, radioaficionados XQ, Novicio, General, Superior, CW, DX, radio clubes

DXBeam - Located in France, DXBeam designs and manufactures a range of monoband, dual band and triband antennas, rotary dipoles, Moxons and Yagis

QTH locator with GoogleMaps  ^pop - Laurent Haas F6FVY a nice QTH Grid Locator point and click interface using Google Maps.

Ham Diplom - Professional award management program, currently only in german

WorkedGrids - Ham Log Mapping software freeware for Windows, displays a map showing the amateur radio grid squares contacted and logged in using a third-party logging program by: Bertrand Zauhar, VE2ZAZ

Diplexer - This program expedites the design of lumped-element diplexers using both the lowpass/highpass and the bandpass/bandstop topologies.