uhf vhf antenna

uhf vhf antenna

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• Big Wheel Antenna for VHF - An omnidirectional horizontal polarization antenna for 2 meters band in Italian
  [ Hits: 188 | Votes: 2 | Rating: 7.5 ]

• Halo Antenna for 50 MHz - The antenna described in this article is for 50 MHz, but the design can be scaled for any band, including VHF, UHF, or even the higher HF bands. The antenna is nothing more than a square loop of wire, approximately 30" (or ~76cm) per side. The loop is fed in the middle of one side, and the opposite side to the feed point has a gap in it.
  [ Hits: 301 | Votes: 0 | Rating: 0 ]

• A Dual Band VHF/UHF J Pole - This antenna provides continuous coverage of the 2 metre (144-148MHz) and 70cm (430-450MHz) bands and is an excellent choice for base station use.
  [ Hits: 2284 | Votes: 17 | Rating: 6.83 ]
• Exploring The J-Pole Antenna - 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: 143 | Votes: 0 | Rating: 0 ]

• Build a twin-lead Lindenblad Antenna for 70cm and 2m - This document contains the detailed instructions to build a homemade lindenblad antenna using a twin-lead as dipole elements. This document contains 9 pages and includes a detailed construction sequence and some drawings to build this antenna for UHF and VHF ham radio bands
  [ Hits: 1279 | Votes: 3 | Rating: 8.67 ]

• Designing VHF/UHF Quad Antenna - The information in this article has come from many amateur sources, the most notable was from WA6TEY (sk 1985) Ray Frost, who was a pioneer of VHF Quad designs and one of the best Southern California Transmitter Hunters. Ray built hundreds two meter quads in single and paired configurations as well as his famous mobile radio direction finding quad.
  [ Hits: 979 | Votes: 7 | Rating: 8 ]

• A Moxon Antenna for Satellites - How to make a dual-band VHF/UHF handheld Moxon Antenna to work satellites
  [ Hits: 438 | Votes: 4 | Rating: 7.25 ]
• Homemade Satellite Yagi - In this article author illustrate a homemade yagi antenna for satellite operations. The antenna includes a VHF antenna and an UHF antenna with a band splitter.
  [ Hits: 207 | Votes: 2 | Rating: 7.5 ]

• VHF UHF Coaxial Dipole Antenna - 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
  [ Hits: 2931 | Votes: 15 | Rating: 5.55 ]
• VHF / UHF Antenna Design - A dipole for 2m, 4m, 6m band an hamdwritten note for a homemade vhf antenna that can be tuned across the VHF band
  [ Hits: 1695 | Votes: 10 | Rating: 7.08 ]
• 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: 753 | 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: 746 | Votes: 2 | Rating: 8.5 ]
• DIY Dual Band 144-440 MHz vertical antenna - A homemade VHF/UHF vertical antenna made essentially with RG58 coax cable, with a 9 turns choke balun to prevent the shield acting as a RF Radiator.
  [ Hits: 1376 | Votes: 14 | Rating: 5.5 ]
• 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: 190 | Votes: 1 | Rating: 10 ]
• IAT Interactive Antenna Table - IAT is an excel sheet table evaluate parameters of VHF UHF antennas edited by Vladimir UR5EAZ. The difference between this tool and the existing VE7BQH Antenna Table is the use of G / T and C / N instead of the G / Ta parameter. In this table, Vladimir applies the ITU recommendations to assess the noise properties of a radio receiving system and shows the advantage of the G / T concept over the G / Ta concept when choosing an antenna.
  [ Hits: 106 | Votes: 4 | Rating: 9.5 ]
• Double Quad Antenna for VHF UHF - The structure of this dual band VHF UHF antenna is very simple. It consists of two identical square loops, whose sides measure a quarter wave, connected together at the ends. A project by I5NZR
  [ Hits: 247 | Votes: 6 | Rating: 6.33 ]

• A VHF/UHF Addition For The Buddipole Antenna - A VHF UHF antenna for the buddipole antenna system
  [ Hits: 503 | Votes: 0 | Rating: 0 ]

• ICOM IC-705 and Raspberry Pi - A portable setup of the ICOM IC-705 with portable VHF UHF and and HF Alex Loop antenna, managed with a portable Raspberry PI 3 setup.
  [ Hits: 254 | Votes: 2 | Rating: 10 ]

• 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: 383 | Votes: 1 | Rating: 7 ]

• Cross Band Repeaters - Crossband Repeating is a process where a Ham transmits one signal on one band (typically UHF), and it is received by another radio with a better antenna/power installation, and re-transmitted (typically on VHF) to another radio system, or a repeater. Everyday examples of cross-band repeaters are repeater receive sites that hear the input signals on 2m and retransmit those signals on a frequency higher than 220 MHz.
  [ Hits: 207 | Votes: 0 | Rating: 0 ]

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