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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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The antenna is a VHF side is a 2m moxon, tuned on 145.825 MHz. The driven element of the moxon couples to a driven element for a 5 element 70cms Yagi, tuned on 436.5 MHz. -
Inspired by Milan OK7GU, the goal is to build an universal antenna controller - for different types of rotor, different motor, encoder -
Italian web site describing a project for a 2 meters home made halo antenna -
An optimized variant of the venerable G5RV multiband antenna -
Exagonal Beam antenna cover 20-17-15-10 meters By KE4NU -
The original project of a dual band yagi antenna for 50 and 70 mhz, published on dubus 2/2007 by YU7EF -
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This modification will allow the use of separate receive and transmit antennas on the Kenwood TS-850S/AT. -
40/20/10 Meter Fan Dipole attic antenna article by KD2GOE -
Experiments with spiral dipole antennas. Includes two spiral antenna designs for 20 and 40 meters band by KN9B -
An excellent guide to homebrewing multi band end-fed antennas. The article, embed several drawings including diagrams and detailed pictures, illustrating the basic funcionality of end-fed antennas. The author gives some basic hints on how to build a half size antenna for 80 40 to 10 meters and a 6 meter to 40 meter configuration. It is also well described how to build the impedance transformer and the loading coils for lower bands. -
What is an EWE Antenna, comparisons, performance and homebrew plan -
A 5 element wide spaced yagi for the 20m long path to Europe was installed at ZL6QH, the antenna is fed with a 600 ohm open wire feed line. -
The EggBeater Antenna web page by ON6WG F5VIF a web site dedicate to this VHF UHF antenna -
A free five part series on antennas that covers many aspects of antennas, from radio wave propagation, to feed lines, type of antennas, connectors, adaptors and antenna switches by Bob Grove, publisher of Monitoring Times -
A simple 137 kHz antenna preamplifier to make your FT-817 (and others) useable on 2200m band. -
A multi-band portable vertical antenna can be built with relatively ordinary components obtained from the local hardware store, including replaceable loading coils -
Experiments on HF antennas for restricted spaces. In this article author experiments antennas for 80-10 meters band having just a very small garden and several restrictions. Basic antennas consists of laded multiband dipoles and fan dipole antennas -
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A two meter Quad antenna project with detailed instructions on how to adjust the Quad gamma match -
The skeleton slot antenna design was developed in the UK for TV use soon after WW2. This document describe and adapted version for the 2 meter band -
The EA5AVL 40M Compact 4-Square Antenna was designed to provide excellent DX communications on the 40m band, utilising readily available components and be relatively easy to construct -
A magnetic loop antenna working from 30 to 15 meters with 100W -
An online J-Pole antenna calculator that need just to input the frequency and calculates in inch size of each element -
Carry a small stock of new and reconditioned parts for both rotators and control boxes for the following makes: CDE/HYGAIN , YAESU , STOLLE. -
Microstrip Patch Antenna Calculator determines the length and width in millimeters of a rectangular patch antenna. -
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Presentation by Al Peter to compare several popular center-fed wire antennas that cover multiple bands. -
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This Z-Match is a link coupled all-band tuner. Two all band tank circuits cover 3-14mhz and 14-30mhz. The tank output links are selected with a very heavy duty SPDT rotary switch. -
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The GM3VLB Poor Man's Antenna Analyser -
An article on SO-239 connector-based-antenna for 2 meters and 70 cm band by David White, WA7YFF -
Comprehensive information page about bi-directional Beverages, including applications, construction details, and tips. -
A very efficient 80 meter Counterpoise antenna designed to reduce ground losses from inadequate radial systems beneath inverted L antennas, a project by DM2GM and DM4IM based on the original K2AV antenna concept. -
VE3CVG 222 MHz (1.25m) 6 element plumber's delight yagi antenna -
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Understanding Amateur Radio NVIS Antennas and Propagation -
A project of a small antenna, just 50 cm for the 7 MHz band. An EH Antenna plan for the 40 meters band -
This page allows you to calculate in the most accurate way high-Q inductor coils. -
Spiral antenna belong to the class of frequency independent antennas. Antennas with a very large bandwidth. -
The design and feeding of driven elements for VHF/UHF Yagi antennas , modeling, observations and some case studies by Graham Daubney F/G8MBI -
Here is a review of the 40 and 80 meter band Double Bazooka antennas as used on the HF shortwave bands. -
The Remote Control Antenna Switch consists of two circuit boards. The control unit and the remotely controlled switch -
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Green that aluminum into something useful right in your own backyard by WB2CQM -
The Gizmotchy high performance horizontal and vertical beam antenna for 2/6/10/11 meter bands -
Antenna dimension, diagram and simulation of the ZX Antennen ZX 6-6 Yagi for VHF UHF by DF9CY -
