vhf antennas

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vhf antennas

116 links - and 3 categories

Antennas : 2M
  • Make your own 2 metre 5/8 whip antenna - This article is about a home made project of a whip antenna for 2 meters band. Includes lenght of whip for all frequencies from 140 MHz to 151 MHz both in mm and inches
    [ Hits: 201 | Votes: 1 | Rating: 5 ]
Antennas : 40M
  • 40m Quagi Beam - A 7 MHz wire antenna that is a mix of a Quad and a Yagi design. This antennas are often used on VHF.
    [ Hits: 891 | Votes: 4 | Rating: 7.75 ]
Antennas : 6M : 6 meter J-Pole Antenna
  • 50MHz / 6m J-pole Antenna by VK4ADC  updated - The J-Pole is an easy-to-build and inexpensive device that provides an omni-directional vertically polarized antenna without the need for a ground plane. In technical terms, it is an end fed vertical 1/2 wave which is fed via a 1/4 wave matching stub.
    [ Hits: 84 | Votes: 1 | Rating: 8 ]
Antennas : Collinear
  • 7dB VHF Collinear Antenna - This project is about a cheap way of building a colinear antenna for VHF 145MHz, and having about 10dB more gain than that little 1/4-wave magmount
    [ Hits: 4000 | Votes: 13 | Rating: 6.85 ]
Antennas : Homebrewing Techniques Antennas : J-Pole
  • Exploring The J-Pole Antenna  new - The J-Pole antenna is a common omnidirectional antenna used in amateur radio, particularly on the VHF and UHF bands. This article is an attempt to explore how the J-pole antenna transforms feed-line impedance to free-space impedance, all the while providing gain found only in the more expensive commercial products.
    [ Hits: 66 | Votes: 0 | Rating: 0 ]
Antennas : Portable Antennas : Receiving
  • Homebrew Bicone Antenna Project - Homebrewing a vhf bicone antenna with 8 clothes hangers and 4 feet of Sch40 non-metallic rigid conduit
    [ Hits: 442 | Votes: 1 | Rating: 6 ]
Antennas : VHF UHF
  • Dual Band VHF UHF Yagi Antenna projects - On this page are designs for Dual Band 2M / 70cm antennas. All antennas are 50 ohm designed driver. These Yagis have a unique element called a Open Sleeve. 4 Element 5 element and 9 element Dual Band - 2M / 70cm antenna projects
    [ Hits: 648 | Votes: 4 | Rating: 5.75 ]
  • ZigZag Antenna - VHF/UHF unconventional antennas - An unconventional antenna family, the VHF/UHF Zigzag Dipole Antennas. Design, theory and practical construction, transformation and balancing with a half wave balun.
    [ Hits: 586 | Votes: 2 | Rating: 8.5 ]
  • VHF-UHF Long Boom Very High Performance Antenna Designs - Experimental Long Boom Antennas - CP, LPDA, multiband with several NEC Files for 50MHz 144MHz 222 MHz 432MHz but also 902MHz and 1296 MHz Antenna projects. Includes also for each antenna model, in a general comparison table each antenna characteristics including Directive Gain, G/T, E-F/R, H-F/R abd Boom Length. This is a great value comparison table of several commercial and home made VHF UHF antenna projects.
    [ Hits: 142 | Votes: 1 | Rating: 10 ]
Antennas : Yagi
  • 3 Element Yagi Antennas for 144 MHz SSB-CW - A great and efficient monoband VHF portable antenna. The article consist of two version of a 12.5 Ohm 3 elements yagi beam antenna plans for the two meter band, a full sized and a shortened version expecially designed for the SSB and CW on 144 MHz.
    [ Hits: 306 | Votes: 4 | Rating: 8 ]
Manufacturers : Antennas : HF
  • Maxcon Antennas - Maxcon makes and sells Amateur Radio Antennas. Double extended Zepp antenna, multiband dipoles, bazooka antennas, and VHF Jpole, made in USA
    [ Hits: 292 | Votes: 2 | Rating: 4.5 ]
Manufacturers : Antennas : VHF UHF Microwave : Quad Antennas
  • Status Quad - Amateur radio Quad Antennas manufacturer based in Italy produce HF and VHF Quad antennas, and spare parts.
    [ Hits: 322 | Votes: 0 | Rating: 0 ]
Software : Satellite tracking
  • HamGPS - Display your current Maidenhead locator with 10 digit precision. It also computes bearing and distance to a set of target locations using locator or latitude / longitude. Useful to align antennas in VHF / UHF / microwave DX activities. No network or fancy maps usage, so it can be used even in remote locations.
    [ Hits: 180 | Votes: 0 | Rating: 0 ]
Technical Reference : Vector Network Analyzer
  • Analyzing 6 handheld antennas with a VNA - In this article the author analyze six different type of VHF handheld antennas and as result of his self training on his new vector network analyzer published this interesting report
    [ Hits: 331 | Votes: 1 | Rating: 1 ]

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