ht hf antenna

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ht hf antenna

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Antennas : 15M
  • HF Copper Loop  pop - A small transmitting loop antenna for 14MHz and 21MHz. This is an antenna you might consider if you have limited space, by Lloyd Butler VK5BR Based on material originally published in Amateur Radio, 11 1991
    [ Hits: 25349 | Votes: 21 | Rating: 6.63 ]
Antennas : 2M
  • VHF TX Loop - VHF Antenna in a lunchbox. The magnetic loop on two metres band Lloyd Butler VK5BR
    [ Hits: 4456 | Votes: 4 | Rating: 4.5 ]
  • G4CQM Homebrew VHF Yagi antennas - Homebrew VHF Yagi 50MHz 144MHz 432MHz 1296MHz 2320MHz 6M 2M 70CM 23CM 13CM Yagis
    [ Hits: 21429 | Votes: 104 | Rating: 8.46 ]
Antennas : Collinear
  • 6dB colinear VHF antenna  pop - Building details of a VHF colinear antenna with 6 db gain
    [ Hits: 63341 | Votes: 107 | Rating: 5.56 ]
Antennas : G5RV
  • G5RV All-Band HF Antenna  pop - About G5RV antennas, with radiation pattern produced with eznec
    [ Hits: 29619 | Votes: 13 | Rating: 4.54 ]
  • G5RV multi-band antenna - Multi-band centre-fed antenna capable of very efficient operation on all HF bands, specifically designed with dimensions which allow it to be installed in gardens and other open spaces which accommodate a reasonably-straight run of 31.1m (102 ft) for the flat-top standard model.
    [ Hits: 7302 | Votes: 8 | Rating: 7.38 ]
Antennas : J-Pole
  • A J-Pole for 2-meters and 70-cm  pop - An Easy Dual-Band VHF/UHF vertical Antenna made with a TV twin lead and coax cable
    [ Hits: 103660 | Votes: 135 | Rating: 5.97 ]
  • HF J-Pole antenna - A Simple Nondirectional Antenna for Ten Meters QST February 1950, Easy to build J-Pole antenna for restricted space.
    [ Hits: 6613 | Votes: 3 | Rating: 3 ]
Antennas : Loop 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 ]
Antennas : Maria Maluca
  • Maria Maluca Antenna by PY2BBP - The Maria Maluca HF multiband antenna as designed in 1957 by PY2BBP is a directive antenna for 15 meter and a passive element that works as director and reflector in different bands
    [ Hits: 340 | Votes: 1 | Rating: 10 ]
Antennas : Mobile
  • Antennas for HF mobile operation  pop - The following description should give you guidance on how to build a mobile antenna for HF bands yourself, using a very cheap CB-mobile whip antenna base. Antennas for mobile operation 7Mhz ,10Mhz, 14Mhz, 18Mhz, 21Mhz, 24Mhz,28-430Mhz
    [ Hits: 90281 | Votes: 80 | Rating: 5.12 ]
  • Effective HF Mobile Antennas - Effective HF Mobile Antennas Keith WB2VUO, explains difficulties on gaining antennas efficiency on lower bands with mobile antennas.
    [ Hits: 7912 | Votes: 4 | Rating: 6.75 ]
Antennas : Portable Antennas : Shortwave
  • Build your first dipole - The dipole antenna is an easily designed and made antenna usually used on HF, although can be (and sometimes is) made for VHF and UHF antennas, and in varying forms is also used as part of different designs of antennas i.e. as the driven element for directional antennas.
    [ Hits: 14809 | Votes: 14 | Rating: 6.93 ]
Antennas : Vertical
  • 9 band vertical HF antenna by RW3XA  pop - Simple vertical radiator with matching box. No traps, no tuner required for this multiband antenna
    [ Hits: 38737 | Votes: 43 | Rating: 7.34 ]
Antennas : Windom
  • OH7SV Matti Hohtola Ham Projects - The most modern QRP transceiver in 2004,Direct Conversion HF Transceiver with DDS LO, 50 ohm to 200 ohm HF wide band transformers, Wilkinson splitter for RX measurements, Windom baluns 2001/2004, Ferrite rod antenna for 80 meter, Magnetic Loop Antenna for 80 m, Mascot Switched PSU 9320 modification to 8A peak current, 150W MOSFET linear amplifier for 80m, 80 m HF SSB/CW Transceiver
    [ Hits: 20372 | Votes: 36 | Rating: 8.11 ]
Internet and Radio : Forums
  • Yahoo! Groups : VHF_UHF_homebrew - Vhf and UHF homebrewers of hardware and antennas. Find help, idea, or someone with just the same interest as you.
    [ Hits: 675 | Votes: 0 | Rating: 0 ]
Manufacturers : Antennas : HF
  • The reflected W beam - Hexagonal wire beams for all hf bands, technical resource, EZNEC files, tools for antenna modeling and documentation. You can also order parts to build your own antenna.
    [ Hits: 2786 | Votes: 3 | Rating: 8.67 ]
Manufacturers : Antennas : HF : Log Periodic Antennas
  • 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 ]

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