uhf log antenna

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uhf log antenna

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Antennas : Horn

  • What is Horn Antenna - Horn Antenna - The energy of the beam when slowly transform into radiation, the losses are reduced and the focussing of the beam improves. A Horn antenna may be considered as a flared out wave guide, by which the directivity is improved and the diffraction is reduced. One of the first horn antennas was constructed in 1897 by Bengali-Indian radio researcher Jagadish Chandra Bose in his pioneering experiments with microwaves. The modern horn antenna was invented independently in 1938 by Wilmer Barrow and G. C. Southworth. This Horn model antenna is suitable employed in the UHF or SHF radio bands. Making this horn model antenna it will be easy for a beginner to make if it works in the 10GHz frequency, because small dimensions so it is not so difficult and also offers gain up to 25dBi.
    [ Hits: 74 | Votes: 0 | Rating: 0 ]
Antennas : J-Pole
  • The DBJ-1 VHF-UHF Dual Band J-Pole - Searching for an inexpensive, high performance dual band base antenna for VHF and UHF ? Build a simple antenna that uses a single feed line for less than $10.
    [ Hits: 6277 | Votes: 5 | Rating: 6 ]
Antennas : Log Periodic
  • VHF UHF Log Periodic Antenna - A detailed drawing of a VHF UHF Log periodic antenna by VA2PHI
    [ Hits: 10544 | Votes: 34 | Rating: 5.89 ]
  • VHF Log Periodic Antenna - 17-Element Very High Frequency/Ultra High Frequency Log Period Dipole Array
    [ Hits: 1246 | Votes: 7 | Rating: 5.86 ]
Antennas : Satellite
  • Easy Eggbeater Antenna - Easy Eggbeater Antenna for amateur radio to work with Satellite VHF & UHF
    [ Hits: 4818 | Votes: 49 | Rating: 8.68 ]
  • 435 MHz satellite receiving antenna - A UHF antenna for satellite reception. Anntenna mast is in wood, made with two aluminium rods
    [ Hits: 1533 | Votes: 4 | Rating: 6 ]
Antennas : VHF UHF
  • 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: 2575 | Votes: 1 | Rating: 10 ]
  • Cheap HDTV Antenna - A cheap and easy HDTV Yagi Antenna that also work well with the UHF low-power analog and translator stations
    [ Hits: 1020 | Votes: 3 | Rating: 5.67 ]
Manufacturers : Antenna Masts and Mounts
  • Sandpiper Aerial Technology LTD - Sandpiper has been designing and manufacturing aerials for over 25 years. Offer HF Dipoles and verticals, VHF UHF Yagi, collinears and other beam antennas, elical antennas,quagi,moxon, and portable antennas, tripods mounts and fiberglass poles
    [ Hits: 2163 | Votes: 2 | Rating: 10 ]
Manufacturers : Antennas : HF : Active antennas
  • Broadband Power Technology - Active Receiving Antennas, designed for reception of shortwave, mediumwave and longwave signals and VHF/UHF signals
    [ Hits: 337 | Votes: 0 | Rating: 0 ]
Manufacturers : Antennas : HF : Log Periodic Antennas
  • KMA Antennas - KMA Antennas specializes in HF - VHF - UHF Log Periodic Antennas, unique antennas for the Six Meter band and custom antenna designs.
    [ Hits: 6394 | Votes: 8 | Rating: 7.75 ]
  • Creative Design Corp. - Create - Reliable antenna and antenna rotators from japan. Manufacturer of amateur radio products, HF VHF UHF antennas, antnena towers, antenna rotors, HF Log Periodic Antennas, VHF UHF wideband amateur radio antennas
    [ Hits: 4445 | Votes: 5 | Rating: 6.6 ]
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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