eas antenna

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eas antenna

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Antennas : 160M
  • Short antennas for 160m - Often it is not possible to erect a full quarter wave verticals, especially on 160m or even more so at 600m. In this article N6LF illustrate some ideas.
    [ Hits: 1135 | Votes: 1 | Rating: 10 ]
Antennas : 2M
  • 2 Meter Backpack Quad Antenna - This 2 meter 3 element cubical quad antenna is small, light weight and portable. A backpack antenna that is easy to put together in just minutes and parts store inside the boom making it ready for travel or storage.
    [ Hits: 2967 | Votes: 10 | Rating: 6.61 ]
Antennas : 40M : 40 meter Dipole Antennas
  • Postage Stamp 40 Meter Wire Dipole Antenna - 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
    [ Hits: 2765 | Votes: 5 | Rating: 6.5 ]
Antennas : 6M : 6 meter Yagi Antennas
  • 5 Element LFA Yagi for 6 meters band - A Loop Fed Array Yagi antenna for 50 MHz featuring 11 dBi gain and 23 f/b ratio. In this excellent page the author even includes a detailed drawing in DWG format, with element lenght and spacing measures, in a separa file a full list of material list needed to build this yagi antenna including source and price, the EZnec file for this antenna plan, and a lot of pictures of this LFA Yagi for 50 Mhz. A ten page PDF file containing all infos, is also available to download.
    [ Hits: 1177 | Votes: 7 | Rating: 8.57 ]
Antennas : 80M
  • A Broadband 80/160 meter dipole - 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
    [ Hits: 2504 | Votes: 1 | Rating: 8 ]
Antennas : Antenna Calculators
  • Helical Antenna Design Calculator  updated - Helical antennas invented by John Kraus give a circular polarized wave. They are one of the easiest to design. Find a tube with a circumference equal to one wavelength, and wrap wire in a helix spaced a quarter wavelengt
    [ Hits: 2158 | Votes: 16 | Rating: 6.63 ]
Antennas : End-Fed
  • End-Fed 6-40 M Multiband Antenna - This project produces an inexpensive, multiband, end fed HF antenna matchbox, quick and easy to setup. This project creates a trifilar wound, 9:1 UNUN toroid matching transformer. Handles 100W and need an antenna tuner.
    [ Hits: 1989 | Votes: 4 | Rating: 8.25 ]
Antennas : Fan Dipole
  • The Fan Dipole Fence - The FFD is a multiband antenna, quick, easy and cheap. This antenna is designed to work on 80, 40, 20, 17, 10 and 6 meters and to be placed in a backyard.
    [ Hits: 1922 | Votes: 10 | Rating: 6.7 ]
Antennas : G5RV
  • 160-RV - Top Band G5RV Antenna - How to turn a G5RV antenna into a 160 meter band antenna with easy to find parts. A G5RV adapter for tob band by Thomas AD1B
    [ Hits: 2911 | Votes: 5 | Rating: 5.8 ]
Antennas : Microwave
  • Cavity antennas - Cavity antennas are weatherproof antennas for UHF and microwave frequencies. Require more metal for the same decibels of antenna gain but a cavity antenna is relatively easy to weatherproof.
    [ Hits: 305 | Votes: 2 | Rating: 5.5 ]
Antennas : Multiband
  • The Loop Skywire Antenna - Looking for an all-bad HF antenna that is easy to contruct, costs nearly nothing and works great DX ? Try the Loop Skywire by W0MHS
    [ Hits: 3151 | Votes: 9 | Rating: 8 ]
  • Compact Multi-band Field Day Antenna - A Compact size 80-10 m field day antenna offering a Low angle of radiation and very easy to build and set up
    [ Hits: 3095 | Votes: 7 | Rating: 8.29 ]
  • Classic Multiband Dipole - The Classic Multiband Dipole Antenna QST article. The open-wire feed line dipole antenna is easy to install and offers surprising performance on several bands. You can install it in almost any configuration; it does not have to be strung in the traditional horizontal flat top
    [ Hits: 2167 | Votes: 3 | Rating: 10 ]
Antennas : Satellite
  • The $4.00 Ham Radio Satellite Antenna - Simple, inexpensive and lots of fun! Here is an easy to make home brew antenna that can get you on the air working satellites or be built for use as a portable hand held antenna to extend the range of your HT.
    [ Hits: 2426 | Votes: 4 | Rating: 6.25 ]
Antennas : Theory
  • Detuning a Tower from a vertical antenna - It is possible to detune the tower so that, at least on one band, the tower can be made to effectively disappear. That is, become non-resonant on the band of interest. This allows the vertically-polarized low-bands antenna to meet its potential.
    [ Hits: 438 | Votes: 0 | Rating: 0 ]
Antennas : Theory : Antenna Gain
  • The .64 Wavelength Secret - A .64 wave antenna is the highest gain single element design available anywhere with at least a 0.8 dB/d of gain towards the horizon, than any 5/8 wave element.
    [ Hits: 778 | Votes: 9 | Rating: 6.67 ]
Antennas : Vertical
  • G8JNJ Broadband HF Vertical Antenna - Broadband HF Vertical antenna which does not require a tuner, and which is capable of providing reasonable performance on all bands from 7MHz to 28MHz
    [ Hits: 1448 | Votes: 1 | Rating: 10 ]
  • Multiband wire vertical - An easy to make, cheap, no trap, multiband wire vertical antenna by PA1M
    [ Hits: 1464 | Votes: 1 | Rating: 4 ]
Operating Modes : WEFAX
  • Double Cross Satellite Antenna - An easy to build antenna for ground reception of NOAA weather or amateur satellite signals. Double cross antenna by Gerald Martes
    [ Hits: 3070 | Votes: 15 | Rating: 4.74 ]
Technical Reference : Radio Frequency Interference
  • RF Problems and the HF Vertical Antenna - Are you having RF problems in the shack since you put up your HF vertical antenna? This is a common problem with an easy solution.
    [ Hits: 1582 | Votes: 9 | Rating: 6.33 ]

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