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Query: antenna
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Categories
- Antennas > 20M > 20 meter Dipole Antennas
- Antennas > 20M > 20 meter Vertical Antennas
- Antennas > 20M > 20 meter Yagi antennas
- Antennas > 40M > 40 meter Delta Loop Antennas
- Antennas > 40M > 40 meter Dipole Antennas
- Antennas > 40M > 40 meter Loop Antennas
- Antennas > 40M > 40 meter Magnetic Loop Antennas
- Antennas > 40M > 40 meter Vertical Antennas
- Antennas > 40M > 40 meter Yagi Antennas
- Antennas > 6M > 6 meter J-Pole Antenna
- Antennas > 6M > 6 meter Moxon Antennas
- Antennas > 6M > 6 meter Yagi Antennas
- Manufacturers > Antennas > HF > Active antennas
- Software > Antenna analysis
- Manufacturers > Antenna Analyzers
- Radio Equipment > Antenna Analyzers
- Antennas > Antenna Books
- Antennas > Antenna Calculators
- Antennas > Theory > Antenna Gain
- Technical Reference > Antenna Launcher
- Manufacturers > Antenna Launcher
- Manufacturers > Antenna Masts and Mounts
- Shopping and Services > Antenna Mount
- Manufacturers > Antenna Parts
- Shopping and Services > Antenna Parts
- Technical Reference > Antenna Rotator
- Manufacturers > Antenna Rotators
- Software > Antenna rotor control
- Technical Reference > Antenna Switch
- Manufacturers > Antenna Switches
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Comparison of 50 and 70 Mhz antennas, commercial and home made projects -
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A Slinky-based doublet or loaded vertical QRP antenna tested for 40 meters band -
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An easy to deploy antenna, commonly considered the best solution for portable operations. Thir article includes a simple LC parallel circuit to match the impedance by IW7EHC -
Extension to an existing fan dipole originally modeled for 40 20 and 6 meters. This modification will add 80 15 and 10 meter bands. -
The Inverted Vee is the most popular antenna used by Ham Radio Operators, because it's very inexpensive and requires very little time to put up in the air -
A compact antenna for 160 meters, suitable for hams tha want operate top band buh have a limited space -
A very basic guide to antennas concept. Explain the usage of dummy load, basic antennas like dipole o j-poles. -
A radio's transmitting power can be concentrated along the horizon by use of a GAIN antenna. Although you may still be transmitting with four watts of power, your effective radiated powerwill be greatly increased. This table shows the effects of antenna gain on a transmitter with 4 watts of transmit power. -
2 Meter Indoor Slim Jim Antennas for Cyclone Season and Other Uses by VK4MDX -
This article describes the characteristics of the Windom antenna and shows the results of several simulations made with MMANA-GAL, covering models optimized for the 20 m, 40 m and 80 m bands. -
This article explores the performance of an unloaded elevated vertical, base matching and feed line as a multi-band HF antenna system. -
Detection and recording of Schumann resonances and other electromagnetic phenomena at frequencies below 50 Hz By Hans Michlmayr -
A 5 band two element quad antenna working from 20 to 10 meters using hardware-store parts or modifying an existing commercial triband quad by KC6T -
A Useful Horizontally Polarised Omni-directional Antenna with Gain for 144 MHz -
The basics of what is a discone antenna for wide band or bandwidth omnidirectional applications. -
Analysis of an antenna trap where a coil is formed of a length of coax cable, the outer conductor of one coax end is tied to the inner conductor of the other coax end, and the remaining connections form the terminals for the trap. -
Building an RFD antenna, a easy to build portable aerial -
Maria Maluca wire antenna for 40 to 10 meters band coverage -
ARRL article on random wire antenna, simple antennas that can be tuned for every band, excellent solution for field day operations -
This article explores the performance of an unloaded vertical as a multi-band HF antenna. -
A loop antenna made with common RG-213 coax and rests on a cross made of 6 mm fibreglass rods anf a 6.5- 30MHz tune -
W3EDP antenna assembly instructions and dimensions with pictures in this PDF File -
The Helical antenna description, a simple way of obtaining high-gain and a broad band of frequency characteristics -
An home made vertical dipole antenna made with simple material. The antenna has a total length of aproximately 16 feet. In this article appeared on June QST 2019, the author explain how he reached the optimal confirugation changing and adjusting the lower part of the antenna, trimming and spacing correctly the copper wire. PDF File to downloas -
A short boom, wideband 3 element yagi antenna plan for six meters that cover the entire band with a resonable performance and a 50 Ohm SWR of less 2:1. Article appeared in QST August 2007 -
What is an antenna balun, why and when do you need it, type of transformers, impact on SWR and feed line efficiency. -
Have you problem with your RG cables ? This page describes a smart antenna box using an RG-cathode for 3 antennas. The remote control needs just a simple wire and the GND for remote-control -
The Yagi-Uda antenna, information on basic design, project and measure of Yagi-Uda antenna, include free repository/sample of beam antenna. -
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A remotely tuned 80m to 10m wire vertical antenna -
An interesting project of the popular IW3HEV antenna analyzer in and embedded solution by PA3CKR. -
A vector graphic antenna analyzer project page by DC2WK demonstrating a project realized by DG7EAO includes, part list, schematics, and videos. -
A 27-28 Mhz quad loop antenna by Bernard Mourot F6BCU in french -
Single Coax Feed to Multi-Band Copper Cactus Antenna. -
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Article on mobile antenna mounting methods by Firestik -
The challenge with contest operation on 80m is finding an antenna that works well over the range 3.50 MHz to 3.85 MHz. -
This feed is a patch antenna for 2.4 GHz intended for use with a parabolic reflector dish. -
Dimensions for the inverted V antenna from 160 to 2 meters by N6JSX -
Unlocking the full multiband potential of the 225 Ohm elementary radiator in a folded monopole, dipole-like or turnstile layout, by Francesco Errante -
About longwire antennas, technically to be a true longwire an antenna needs to be at least one wavelength long, but common use of the term by Hams is for any random wire length that is end fed. -
An interesting article on random wire antennas, and how to choose the optimal lenghts for multiband operations. -
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What VK4MDX/vk2kmi learned from building his own G5RV antenna and the ZS6BKW variant. -
Here we have a ground plane antenna mostly used for 144, 222, 440 Mhz. Its one of the simplest antennas to make. New hams can build this with little to no experience in antenna building. -
An off centre fed dipole, with 10 feet of vertical radiator. It needs no tuner on 40m, 20m and 10m by M0UKD -
