trap dipole

VHF Collinear-Dipole - 2 m. Band VHF Collinear with 2 Dipoles by sv1bsx

Trapped dipole for 80 and 40 m - This article explores a theoretical model for the losses of an 80m / 40m trapped inverted V dipole antenna system using a bootstrap coax trap, but does not examine the pattern of the antenna.

An antenna for 7MHz local contacts - This article describes the design of an antenna for local contacts on 7MHz, including a simple and efficient matching system that presents a 50 ohm load to the transceiver.

Coil loaded dipole for 80 meters - Coil loading of an 80m Dipole for restricted space. Here's a method that may allow you to fit that 80m dipole into your suburban backyard by VK3JEG

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

Antenna Trap Calculator - Design your own antenna trap online

Balun for folded dipoles - A 1:4 balun suitable for folded dipole antennas

Double Bazooka Dipole  ^updated - The Double Bazooka Dipole is a very efficient antenna which is very quiet,and does not require the use of a balun

Building Coils - Building coils for a portable dipole using a novel method of winding coils with weedeater cord! By K4MMG

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

An Improved Multiband Trap Dipole Antenna - This improved multiband trap dipole introduces a new trap design and a change in trap location. The antenna features double-coaxial-cable-wound traps having lower reactance and a higher quality factor (Q) than earlier coax-cable traps by W8NX

Folded dipole antenna basics - Basic information on the folded dipole antenna

Wire Dipole for 7.05 MHz - Inverted Vee antenna for 40m with simulation data by DF9CY

VHF/UHF Wideband Portable Dipole - A portable dualband dipole robust and compact antenna usable for horizontal and vertical polarisation by ON6MU

Multiband Open Wire Antennas - Why Multi-band Dipoles Need HEAVY Open Wire Line by Tom, K1JJ

Open Wire Feed Line a second look - Put up the longest dipole you can fit, feed it with open wire line, connect it to the balanced output of your tuner and—poof! Instant multiband antenna. Is life really that simple? By Paul Danzer, N1II

Easy tuning an building of traps  ^updated - A new and simple method for tuning traps. You need 2-3Watt of your TRX and two homemade coupling coils by DK7ZB

Offset multiband trapless antenna - Simple, easy to build, low cost, compact, multiband By Robert Wilson, AL7KK

The Indoor spiral dipole - An attic indoor antenna successfully implemented by N9RET by using two runs of 2-conductor wire

Vertical trapped antenna - An HF multiband trapped antenna in french

K7FFF Beacon - FISTS Northwest K7FFF Beacon On the air at 28.287 MHz 2W to Dipole

KA0PSE Beacon - On 28.219 Mhz it puts out a whopping 3.85 watts into an inverted V dipole at about 30 ft.

TakTenna - Electrical half-wave dipole antenna

G4IRX/P portable operations - A compact and portable setup with wire dipoles by G4IRX