40 dipole

Trapped dipole for 40-80-160 meters  ^pop - Build a space efficient trapped dipole antenna for 40-80-160 meter bands using RG-58 and PVC pipe by W8NX

Portable Magnetic Loop Antenna Version 2 - A simple multi-band magnetic loop antenna designed for 20, 30 and 40 metres. For its size, the performance of the antenna always astounds me, although it is never going to replace a Yagi

40 M. triangular full wave vertical loop

K4TX Delta Loop for 40 Meters - 40 Meter 2 Element Parasitic Delta Loop

Shorty Forty Antenna - Short dipole antenna for 40 meter ham band. Can be put up in the space required for a 20 meter dipole.

Sterba Curtain Antenna for 40 meters - A forty meters band sterba curtain antenna notes by KB8PGW

40 meter delta loop - M0MCX - Pictures and details of a wire delta loop antenna for 40 meters band

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

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

YLRADIO - Full wave delta loop - This Delta Loop is a three-sided antenna suspended high in the air by vertical supports, such as tall evergreen trees. Recommended height is 40 feet or more at highest point, but higher is better.

K5UA 40 meter Phased Array - The intent of this site to share information about the design of a 40 meter horizontal phased array antenna.

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

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

End fed halfwave antenna and matching unit - One is an EFHWA for 20-40 meters, and the other is a matching unit for the antenna by n0lx

J-Pole antennas for 2m-40m - A multiband jpole antenna

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

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

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

P40E CQ WW CW - 2002 CQ WW CW antennas and shack

KD4MZM Beacon system - The kd4mzm ham radio beacon system running a Cobra 148 GTL 40 channel AM/SSB unit modified to the 10 meter band

Bromley Repeater Group - Gateway - Website and Forums of The Bromley Repeater Group which has been formed to launch and maintain the new Kent repeater, GB3OK. Located in Orpington and with an ASL of 600 feet, it's predicted to provide coverage over a large area of London and South East England. Also on Echolink node 280040

GS Manufacturing - HF Mobile and maritime antennas for 40-80-160 meters

Javascript antenna calculations - Javascript online calculators for dipole 5/8 verticals with radials, and delta loop antennas

OZ4HZ APRS tracker - The 4Hz tracker - APRS tracker with AT89C4051, now also with 5W transmitter onboard.