vlf antenna

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vlf antenna

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Antennas : Longwave

  • The BikeLoop Antenna for VLF - BIKELOOP is a VLF home made antenna. This antenna is a double magnetic loop composed by two orthogonal loops. This document describe how the prototype was built, the purpose is to give some construction hints to people who wants to try this kind of antenna. Mathematical and electrical details are described as well
    [ Hits: 231 | Votes: 0 | Rating: 0 ]
Antennas : Magnetic Loop
  • Thinking about Ideal Loops - Loop antennae have been used from ELF to UHF since the beginning of radiocommunications. At low frequencies, the main problem for loop antennae is to have enough sensitivity; the antenna being very small respect to the wavelength the collected energy is also small. To increase the output level the loop may be made resonant, so loosing it%u2019s intrinsic aperiodic characteristics.
    [ Hits: 2270 | Votes: 6 | Rating: 7.33 ]
  • Advanced active VLF Loop - Article on using loop antenna in very low frequencies
    [ Hits: 2390 | Votes: 3 | Rating: 7 ]
Antennas : Portable
  • Field Day Antennas - HF VHF UHF antenna ideas to be used for field days. All antennas are quick to set up and take down and offer proven performance and flexibility. Presentation offered by Mahoning Country ARES
    [ Hits: 489 | Votes: 0 | Rating: 0 ]
Antennas : Receiving
  • The Octoloop - An LF/VLF Portable Loop Antenna N4YWK
    [ Hits: 1579 | Votes: 0 | Rating: 0 ]
  • Magnetic antenna fo ULF - Detection and recording of Schumann resonances and other electromagnetic phenomena at frequencies below 50 Hz By Hans Michlmayr
    [ Hits: 1369 | Votes: 0 | Rating: 0 ]
Antennas : Shortwave
  • Mini Whip Antenna - An Active antenna designed for VLF and shortwave radio reception. A small antenna capable of excellent performances on low bands, made on a copper plate and introductio to active antennas.
    [ Hits: 2283 | Votes: 2 | Rating: 6.5 ]
Antennas : VHF UHF
  • Dual Band Quarter Wave Droopy Antenna - Adapted from a similar project by NA4IT. Made with one quarter wave 2 meter radiating element pointing upward and it is surrounded by four 70 cm elements.
    [ Hits: 341 | Votes: 1 | Rating: 9 ]
Antennas : Wire
  • LF/VLF Portable Loop Antenna - The octoloop antenna is a length of 25 pair telephone wire inside an octagonal loop shield of 3/4 hard copper pipe
    [ Hits: 3571 | Votes: 11 | Rating: 5.08 ]
Ham Radio : Personal Pages : Brazil
  • PY3CRX PY2PLL - Portuguese page, from VLF to some GHz, antennas, projects, EME, NDB DX and more.
    [ Hits: 2551 | Votes: 4 | Rating: 4.75 ]
Internet and Radio : WebSDR
  • HB9FX Internet Remote Base JN37XH Hochwacht Zofingen Switzerland - Online web receiver powered by OpenWebRX based in Switzerland. You can isten between 10kHz - 10GHz frequencies. Receiver is operated by HB9BHU Rig VLF/HF/VHF: Airspy HF+, Magnetic Loop/Discone Rig SHF X-Band LNB, RTL-SDR, Stacked Slot Antenna
    [ Hits: 14051 | Votes: 111 | Rating: 6.7 ]
Manufacturers : Antennas : Marine
  • LF antennas - Welcome to our line of Low Frequency, Natural Radio Research, Broadcast, Marine and Shortwave products. Our evolving product line is the result of our dedicated research efforts primarily in the areas of LF, VLF, MF, and HF.
    [ Hits: 311 | Votes: 0 | Rating: 0 ]
Technical Reference : Antenna Switch

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