grid dip

Maria Maluca Antenna - This small beam fed with VHF ribbon line consists of a dipole and a director adjusted for the desired band by dl8ncr

14MHz Inverted Vee Dipole - Inverted vee dipole antenna for 20 meters band by VK1OD

20 meters rigid dipole - Rigid Dipoles by KØEMT by using PVC and Aluminium tubing

6 and 2 Meter Square Copper Dipoles - The 2 meter Square Copper Dipole by KØFF

80M Field Expedient Dipole Antenna - 80M field expedient antenna, suitable for NVIS operations

Wire Antenna for 75 and 80 Meters - This article is about a wire antenna that covers the entire 3.5 to 4.0 MHz band with an SWR below 2:1 consists of two coupled dipoles, one resonant at about 3.5 MHz and one resonant at about 4 MHz, resulting in the low SWR

Online Antenna Calculator - Java script antenna calculators for ground planes, half wave verticals, quad antenna, 5/8th wave vertical antenna, dipole and inverted vee antennas

Double Bazooka Antenna performance - The Double Bazooka Dipole is a half wave dipole with an attempt at compensation of the reactance change that occurs around resonance for a half wave dipole.

Horizontal Half-wave Dipole above a Counterpoise - All antennas that are situated close to the ground are affected by that ground to some extent. This article explain effects and benefits of counterpoise.

I0SJC G5RV antenna - A plan to homebrew a G5RV antenna, tunable on 10-15-20-40-80 meters band

The Square Pole antenna - The SQUARE-Pole is a 1/2-wave dipole that has been bent into a square by WB2VUO

Comparing HF Wire Antennas for NVIS - How to make the most of simple wire antennas. EZNEC help to compare the performance of a wire dipole antenna in various configurations

Off Center Loaded dipole by LU1DMA - An OCF dipole project in spanish

The Off-Center-Fed Dipole - A Broadband, Multiband Antenna taken from QST, Aug 1990. OCF Dipole antenna.

Horizontal Antennas above Real Ground - Antennas are influenced by the effect of the ground and by the type of conductors from which they are constructed. Effects of various types of grounds on a 1.825 MHz horizontal 0.5 wave dipole

Aerials for the Terrified - Summary of common dipole and wire antenna models, from the basic dipole to sloopers, inverted v and multiband wire aerials

DMsolar - Solar Panels, Grid Tie Systems, Solar Power Kits, Solar Cells and more. DMsolar carries solar energy products for your needs.

Anteny SP1BKS - Antenna manufacturer from Poland, produce dipole wire antennas, W3DZZ FD4 Windom and long wires, baluns, dealer for toroids and connectors managed by Leszek Mlynarczyk SP1BKS

South Midlands Communications Ltd - Antenna support masts, towers and HF antennas, pneumatic masts, push-up masts, antenna masts and mounts, poles, antenna systems, dipoles, portable, nvis antennas

SatCE - Free and fast satellite tracker for PocketPC. Complete solution for amateurs and professionals.

Power Gride Tubes - Article on tubes and their usage in power amplifiers design. Explain failures of tube in RF power amplifiers, a common problem in the SB-220 SB-221, TL-922 and other amplifiers.

Diplexer for 2m and 70 cm - Schematics of a homebrewed diplexer for VHF and UHF in german

What's a diplexer? - It's a network that splits a signal to two or more loads, dependent on frequency. It is the simplest form of a multiplexer, which can split a signal into many different signal bands.

Diplexer - From Wikipedia, the free encyclopedia

Design 435/145 MHz diplexer filter - This example shows how SERENADE 8.7 can be used for help designing a contiguous lumped element diplexer by HA8ET