design a j ple antenna

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design a j ple antenna

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Antennas : 23cm
  • 43 Elements Yagi Antenna for 23cm band - An interesting presetnation full of usefull tricks to correctly design and build 23 cm Yagi using simple tools. The basic design of the antenna presented in this document is taken from the original DL6WU Yagi Design published in 1982
    [ Hits: 423 | Votes: 1 | Rating: 8 ]
Antennas : 2M Antennas : 40M : 40 meter Dipole Antennas
  • Linear Loaded 40m Dipole - Dipole for 40m band. It is a simple linear loaded dipole feeded with 450-Ohm openwire feedline. Designed it for resonance at 7.050 MHz, can be tuned on 30m and 80m bands with an external antenna tuner. Build with simple electrical copper wire (2.5 mmq/13 awg) and two fishing poles with size of about 7 m/23 ft.
    [ Hits: 159 | Votes: 0 | Rating: 0 ]
Antennas : 80M
  • 80m OCF Dipole - A simple 7 bands off-center dipole wire antenna designed to work on 80 meters band and that can cover also 40m 30m 20m 15m 12m 10m with acceptable SWR
    [ Hits: 2001 | Votes: 2 | Rating: 6 ]
Antennas : J-Pole
  • J-Pole antenna design  pop - Complete guide to build Jpole antennas with online dimensions calculator.
    [ Hits: 51492 | Votes: 82 | Rating: 5.65 ]
  • Tri-Band J-Pole - This strange looking antenna is a combination of Coupled-Resonator principle by K9AY and a quarter stubs to achieve low angle radiation pattern. Designed with 4nec2 NEC based antenna modeler and optimizer for 145/220/440MHz bands
    [ Hits: 1913 | Votes: 5 | Rating: 9 ]
  • The SIMPLE 2m Copper pipe J - A copper J Antenna for 144 and 430 article with design, feeding methods and pictures
    [ Hits: 598 | Votes: 1 | Rating: 1 ]
Antennas : Loop
  • A Hanging Rectangular Loop Antenna - A rotatable hanging loop antenna that has been specifically designed for hanging in a tree. Horizontally polarized with a broad azimuth pattern and gain of nearly 3dB over a simple horizontal dipole!
    [ Hits: 3863 | Votes: 10 | Rating: 7.41 ]
Antennas : Multiband
  • HF Multiple Dipole Antenna - This article describes the design and simulation of a multiple dipole antenna for the HF band, using the software MMANA-GAL. The antenna will be designed to operate in the 10, 20, 40 and 80 m bands
    [ Hits: 820 | Votes: 1 | Rating: 4 ]
Antennas : Quad
  • 2 Meter 5 Element Quad - A five element quad antenna for 144 MHz DIY Project. This 2 Meter 5 Element Quad antenna was modeled using EZNEC, with a boom from a UHF TV antenna and CPVC pipe for spreaders. Constructed for 146MHz, it exhibits a gain of 10.7dB and an impedance of 75 ohms. Real-world results surpass the HT antenna, reaching over 20 repeaters up to 75 miles away. The design, costing around $10, employs simple tools for assembly.
    [ Hits: 1884 | Votes: 9 | Rating: 6.23 ]
Antennas : Theory
  • The Classic Beverage Antenna Revisited - This is a QST Article published in January 1982 by W1FB D. Demaw and HH Beverage and is a complete review of the original article published in 1922, which updates and reivew the beverage antenna theory and developlment, explaining the antenna design of transformers and gives accurate reports on antenna general performance.
    [ Hits: 558 | Votes: 1 | Rating: 6 ]
Antennas : VHF UHF
  • VHF/UHF Yagi Antenna Design  pop - Design your VHF UHF Yagi antenna online, a JavaScript enhanced web page that implements the design of an antenna for 2m and 70cm bands. This page offers a streamlined experience for Yagi antenna design enthusiasts. It assumes prior knowledge of Yagi design principles, minimizing distractions with a user-friendly interface. Equipped with essential equations, it provides instant design feedback. Red font warnings indicate design limitations, ensuring practical results. Constraints include Gain (11.8-21.6 dBd) and Boom Length (2.2-39 wavelengths), with additional frequency-dependent restrictions noted in input fields.
    [ Hits: 147401 | Votes: 1105 | Rating: 6.95 ]
Antennas : Vertical
  • 5/8 Wave Vertical Antenna Calculator  updated  pop - Design your own 5/8 wave vertical antenna. A simple jscript calculator at Antenna Elmer.
    [ Hits: 27812 | Votes: 227 | Rating: 5.11 ]
  • Field Day Vertical Antenna by KN5L - This Field Day Vertical Antenna project is the result of many years of attending various field day sites and realizing that what was needed is a simple, easy to assemble vertical antenna. The design of this Field Day Antenna is not very novel and leverages ideas from Butternut verticals and ARRL publications. The one essential requirement was that the antenna can be raised by just one person. The design of this Field Day Antenna is an above ground mounted ground plane vertical.
    [ Hits: 213 | Votes: 3 | Rating: 7 ]
  • 5 Band Pipe Vertical Antenna - A simple, cheap and easy to build 26 feet long vertical antenna that works DX on 20 - 10 meters including WARC Bands, it is designed for portability for field days, camping, or permanent installation, cost, and to achieve at least 1/2 wavelength on the WARC bands.
    [ Hits: 549 | Votes: 5 | Rating: 6.2 ]
Antennas : WiFi
  • Coffee Can WiFi Antenna - This wi-fi antenna design is a much simpler DIY project than the pringles cantenna. Basically there are 3 parts to a build-your-own 2.4 Ghz cantenna kit: a pigtail, an N-female connector and a metal coffee can.
    [ Hits: 1299 | Votes: 1 | Rating: 1 ]
Antennas : Yagi
  • Yagi-Uda Antenna - The Yagi-Uda antenna, information on basic design, project and measure of Yagi-Uda antenna, include free repository/sample of beam antenna.
    [ Hits: 1328 | Votes: 6 | Rating: 7.67 ]
Shopping and Services : Regional : Asia
  • Electro Design Corporation - EDC is an amateur radio dealer for Heil Sound, Elecraft, Vibroplex and Force 12 antennas in Japan
    [ Hits: 412 | Votes: 0 | Rating: 0 ]
Software : Logging
  • LogHX freeware logger software - LogHX is a freeware windows ham radio logger software, designed as complete Ham Radio environment. Radio control interface, online log book interfaces, cluster access, adif and cabrillo exports, antenna rotor control, Digital CW and SSB macros, full QSL management
    [ Hits: 727 | Votes: 4 | Rating: 9.5 ]
Technical Reference : Radio Frequency Interference : Noise Reduction
  • QRM and noise reduction - You will find on these pages my experiences and results on antennas and local/non-local QRM/noise reduction. Using a broadband vertical active magnetic loop and a home made / designed broadband amplifier. Two vertical magnetic Alford loops are used in an array. Analog and Digital Signal Processing and a dual phase coherent Software Defined Radio (SDR) are used. By PA0SIM
    [ Hits: 5085 | Votes: 6 | Rating: 7 ]

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