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Query: dipole
Links: 648 | Categories: 10
Categories
- Antennas > 20M > 20 meter Dipole Antennas
- Antennas > 40M > 40 meter Dipole Antennas
- Radio Equipment > HF Portable Antenna > Buddipole
- Antennas > Dipole
- Manufacturers > Antennas > HF > Dipole Antenna
- Antennas > Fan Dipole
- Antennas > Folded Dipole
- Antennas > Resonant Feedline Dipole
- Antennas > T2FD
- Antennas > Wire
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The ultimate satellite Omni Antenna by Howard Sodja, W6SHP. The Lindenblad antenna consists of four half wave folded dipoles slanted 30 degrees to the horizon, oriented 90 degrees to each other in azimuth, spaced 0.3 wavelength apart
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a neat 1:1 50 ohm balun for use on HF horizontal wire dipoles.
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A slightly different 6M antenna project by N1GY, an Off center fed antenna for the 50 MHz.
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This article documents an unobtrusive antenna for operation on 7MHz, primarily for contacts with stations at up to 1000Km range.
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Why Multi-band Dipoles Need HEAVY Open Wire Line by Tom, K1JJ
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If you are looking for an easy antenna for your favorite band, you can't go wrong with an halfwavelenght dipole, all you need is 3 insulators and some wire
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The Emtech ZM-2 Antenna Tuner is a nifty little portable transmatch for QRP (low power). It utilizes the well-known Z-match circuit, which is especially useful for balanced antennas (like dipoles and loops).
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The 20 thru 10 meter dipole is constructed from stranded insulated wire available in most hardware stores. The feedpoint uses an 8 inch long section of 2 inch diameter PVC pipe. A section of wire joins the elements at either side of the feedpoint to avoid the inductance of square knots used on lower frequencies.
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A broadband travelling wave dipole for HF bands, whose VSWR is less than 2:1 from 3 to 15 MHz and does not exceed 2.6 to 1 from 2.3 to at least 30 MHz
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How to create a simple but effective half wave dipole, illustrated instrucions on how to build wire antennas
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The document provides information on the Maria Maluca Antenna by dl8ncr, a small beam antenna fed with VHF ribbon line consisting of a dipole and a director adjusted for the desired band. It offers details on the construction and usage of this HF multi-band directional antenna.
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A portable dualband dipole robust and compact antenna usable for horizontal and vertical polarisation by ON6MU
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Video construction of a multiband HF trapped dipole antenna based on a variation of the classic W3DZZ design
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Add some gain over your rubber dummy load with this full size dipole on your HT.
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Overview, summary, tutorial about the dipole antenna or dipole aerial that is widely used on its own and as the basis for other antenna designs.
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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.
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Testing and comparison of traps and trap antennas
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A 40 ft vertical dipole antenna that can cover HF Bands from 80 to 10 meters winding a dipole in a 12m HD telescoping fiberglass pole
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An easy to build single wire antenna for 160 and 80 meters with a better than 2 to 1 swr across the 80 meter band by K5GP
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Windipoles is a free passive real time filter simulator. Developed under Visual Studio .NET. No software installation required. Allows design, analysis, optimizations and plots, all graphically.
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A 144 MHz dipole antenna made from coax, PVC pipe, and aluminum foil tape
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Simple DIY stealth apartment antenna for 20m and 40m. It is basically a ZigZag quarter wave dipole antenna
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Described here is a simple omnidirectional, vertically-polarised dipole for two metres
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An homebrewed dipole antenna for 14MHz
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A base station antenna you can easily build for 146,220 or 440 MHz, with performance similar to a J-pole but smaller and less obstrusive
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How to build a multi-band dipole antenna with a single coax feed. Instructions for a 160M antenna that will fit in the space that a 75M dipole will with almost as good of results as a full size 160M dipole.
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The idea of using a low mount dipole, enhanced with reflector wires directly beneath the dipole, on the ground, appears to be a very good approach to creating an NVI specific antenna for local HF operation.
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Building coils for a portable dipole using a novel method of winding coils with weedeater cord! By K4MMG
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This doubet antenna is a half wave dipole antenna easy to build, in french
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Design your owm HF shiortened dipole. Includes a diagram of a lumped-constant loaded dipole antenna that is intended to fit in available space, rather than requiring a full 1/2 wavelength, at a specified frequency
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German article on the multiband dipole by DG0KW. This antenna can be configured for several bands and can work in 3 or 4 bands mode. Can be used in restricted space lots.
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An analysis of the cebik dipole and other small limited space dipoles fed with open wire ladder line.
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The Fan dipole antenna offer a easy to setup and efficient HF multiband antenna that does not require tuners or antenna switches, diagram by YC8PVU.
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Build yourself a postage stamp 40 meter wire dipole antenna that fits in a space a little over 20 wide and works reasonably well at low heights
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Ham Radio 20 / 40 meter short Coax Trap dipole antenna designed with the coax trap design calculator program
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A multi-band inverted-V dipole for portable operation by GM3VLB
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Located in France, DXBeam designs and manufactures a range of monoband, dual band and triband antennas, rotary dipoles, Moxons and Yagis
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Here is a very simple and practical way to make a short but efficient 40-meter dipole. The K4VX Linear-Loaded Dipole for 7 MHz
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A shortened dipole for 40 meters band by Martin E. Meserve
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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.
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A 40 80 dipole antenna design by WA6ESC PDF File
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A simple, cheap, efficient tv antenna that you can make yourself.
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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?
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A quarter size cobra dipole antenna, a multiband dipole antenna for 40 to 10 meters basedn on original cobra dipole design but with a limited space by N4SPP