2m uhf antenna

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2m uhf antenna

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Antennas : 6M

Antennas : Fan Dipole
  • VHF UHF Fan Dipole Antenna - Author describes in this post a unique copper pipe fan dipole that he created and that provides fantastic results
    [ Hits: 1495 | Votes: 8 | Rating: 7.38 ]
Antennas : J-Pole Antennas : Lindenblad
  • 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: 1268 | Votes: 3 | Rating: 8.67 ]
Antennas : Mobile
  • Twoband-Antenna for HT - Homebrew a 2m/70cm portable or mobile whip antenna for your HT or mobile radio
    [ Hits: 2928 | Votes: 2 | Rating: 5.5 ]
Antennas : Portable
  • Portable VHF UHF Dipole Antenna - A SOTA Lightweight Portable 2m 70cm Dipole Antenna Lightweight portable QRP 2m and 70cm half wave dipole for SOTA or an emergency antenna for the 2m and 70cm Go-box.
    [ Hits: 174 | Votes: 0 | Rating: 0 ]
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 : Quagi
  • 432Mhz Portable Quagi antenna - A Quagi antenna project with pictures and dimensions for a UHF Quagi antenna
    [ Hits: 1778 | Votes: 5 | Rating: 7.4 ]
Antennas : Satellite
  • UHF VHF Crossed Satellite Yagi Antenna - This home made antenna provides around 10.5dBd gain on 70cm, and 6.5dBd gain on 2m, which is more than adequate to work the FM satellites with a handheld dual band radio
    [ Hits: 371 | Votes: 2 | Rating: 9 ]
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 ]
  • 432 MHz Antenna Comparison Chart - Comparison of several UHF antennas by DF9CY
    [ Hits: 2051 | Votes: 8 | Rating: 7.3 ]
  • Compact and effective 2m 70cm antenna - Antenna was designed for SO-50 satellite operation but can be used for any VHF/UHF activity. It's a mix of a Moxon Antenna and a Yagi antenna. It has gains 4 dBd on 2m and 6.5 dBd on 70cm bands and it is fed via single 50 Ohm cable.
    [ Hits: 2576 | Votes: 1 | Rating: 10 ]
  • 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: 1690 | 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: 752 | Votes: 4 | Rating: 5.75 ]
  • 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: 188 | Votes: 1 | Rating: 10 ]
  • Tri-Band VHF/UHF Antenna Design - The TBJ-1 – a triband base antenna was published in March 2017 QST. This antenna covers 2M/220 MHz/70cm in one 6ft 3/4 inch PVC pipe and requires no radials.
    [ Hits: 210 | Votes: 0 | Rating: 0 ]
  • VHF UHF Duo band Yagi Antenna - Duoband Yagi 2m/70cm with 4 Elements on 2 m and 5 Elements on 70 cm and one Feed point. The 4-El.-Ultralight-Yagi for 2m can be used on 70cm with an SWR of 1,5 without any changes.
    [ Hits: 150 | Votes: 6 | Rating: 7 ]
Technical Reference : Duplexers Technical Reference : Repeater
  • 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: 206 | Votes: 0 | Rating: 0 ]
Technical Reference : VHF Radios
  • UHF on a VHF Rig - This circuit enables fair copy of strong 444 MHz signals, off a local repeater, using a 2m rig and a 1/4λ 70 cm indoor ground plane antenna.
    [ Hits: 873 | Votes: 4 | Rating: 7.75 ]

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