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Antennas
Half-Square antennas
- This doubet antenna is a half wave dipole antenna easy to build, in french
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
Invisible DX antenna for the low bands
- Article by DK5WL describes a multi-band DX antenna for the 160m-40m amateur radio bands with
low visibility but great performance for long distance communication.
A double dipole for 14 and 21 MHz
- A double dipole for the 20 and 15 meters band in french
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
Trapped dipole for 40 80m
- I0SJC trapped dipole for 40 and 80 meters, traps done with 170 turns 1 mm diam, on a 3.2 mm cilinder in Italian.
7 MHz Dipole at VK1ZKD
- This article documents an unobtrusive antenna for operation on 7MHz, primarily for contacts with stations at up to 1000Km range.
6 and 2 Meter Square Copper Dipoles
- The 2 meter Square Copper Dipole by KØFF
PY1UNU dipole for 80 meters
- A dipole with coils for 80 meters band in portuguese.
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
4Z5NY Antenn calculators
- The formulas for a dipole and vertical, j-pole, double square, Yagi and EH antenna calculators
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.
Off Center Fed Dipole
- A K2GXT project documentation of how to homebrew and setup an off-center fed dipole
Multidipole Antenna
- This antenna is a group o dipoles, is a multiband and each dipole works on single band.
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.
Log Periodic of Another Sort
- A log periodic dipole array (LPDA) antenna design that offer continuous low SWR in 13-30MHz range
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
The Upright V Dipole
- A small antenna for limited space / lanai use.
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
VU2IIA -Ham Radio & NOAA
- Ham Radio & NOAA Apt Weather Satellite blog. All weather satellite NOAA APT images are decoded with homebrew receiver. Setup using homebrew Turnstile Cross Dipole antenna, P-3 500MHZ PC with WIN-XP & WXTOIMG program.
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
Sandpiper Aerial Technology LTD
- Sandpiper has been designing and manufacturing aerials for over 25 years. Offer HF Dipoles and verticals, VHF UHF Yagi, collinears and other beam antennas, elical antennas,quagi,moxon, and portable antennas, tripods mounts and fiberglass poles
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
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