40 dipole

A portable 10/20/40 mt vertical antenna  ^pop - A portable vertical antenna for 10 to 40 meters, designed for mobile operations can be used in a car as seen in pictures. A modified version for 20 and 40 meters is described too.

Rotary dipole for 12/17 meters - A home brewed rotary dipole antenna for 12 and 17 meters band with pictures and construction details

An effective 3 band Wire DX aerial - A 3 band dipole for 10 15 and 20 meters band by Mel G4WYW

Rotary Dipole for 30 and 40 meters band - Drawings pictures and notes on a rotary dipole antenna for 30 and 40 meters band

A 30/40 meters band vertical anetnna - A shortened 30/40 meters band vertical antenna in italian

40 meter double bazooka antenna - A double bazooka antenna plan for the cw portion of the 40 meter band by k0ru

3 Elements on 40 Meters - The inverted "U" 3 elements on 40 meters by ik2egl

A centre-fed co-axial dipole for 4m - Easy to setup dipole antenna for 4 meters band by Tony Hawker G4CJZ

Coaxial cable dipole for 80m - Here are some simple antennas you can build along with calculators to help you get the right length.

Dipole and Inverted V Antenna Calculator - Enter the resonant frequency for the dipole/vee antenna calculation

WB4BXW Diople Antenna Calculator - Dipole and inverted vee antenna calculator sufficiently accurate for wire antennas up to 30 Mhz

Dipole Calculator in JavaScript - Input the desired resonant frequency and it will calculate lenght in inches feet and meters

W4HN Antenna Calculator - Calculate your dipole, 3 element yagi and a simple dipole

Short 40m dipole - The GM4JMU Shortened 7Mhz Dipole

K0RWU Multiband dipole 6-17 meters - This antenna consists of 4 resonate dipoles made from 12 insulated copper electrical wire. The dipoles are resonate on the following bands: 6 meters, 10 meters, 12 meters and 17 meters.

The Galaxy dipole - A very short dipole with a good radiation efficiently plus a respectable bandwidth by S. C. Chuck Smith, WA7RAI

Mobile 10/80 dipole antenna setup - A mobile setup using a dipole antenna for 10 to 80 meters band in italian

Multiband HF antenna - A multiband hf antenna for restricted spaces covering 80 40 20 15 meters Based on the VK2ERG shortened 80M dipole

KE4UYP One wavelenght loop antenna - A Loop antenna plan with a gain over one Dipole of 3DB or 5.15DBi

Musings on the Miracle Whip design - A modified design of this popular portable antenna The whip described here will tune up to a respectable SWR on 40 metres and up.

A Q&D Multiband Antenna - A brick, some PVC tubing and a few other common hardware store items can be transformed into an effective Quick & Dirty RF-launcher—for less than $25! By Michael Atlas, N7FC

BiQuad Antenna for 144/440 - This is a vertically polarized Broadside and Collinear Array each Loop is a vertically polarized Broadside Array both the right and the left side of the Loop is a bent 1/2 wave dipole working 180 degrees out of phase with the other one and that gives you 4.15dbi of gain by KE4UYP

ZL1BPU Rotator Controller - A very simple controller circuit, with fairly smart performance! The ZL1BPU Rotator Controller has been designed as an add-on unit for the popular Kenpro KR-400 and Yaesu G-400 rotators. The controller consists of a small circuit board which fits inside the rotator control box (see picture).

160 80 40 Meter Vertical Array - A 6-element vertical array which is designed for 40 and 80 meter operation, and receive-only operation on 160 meters by W8WWV

Operating from a scooter - Activities from a scooter by IK4DCS using a dipole