loop 7

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loop 7

103 links - and 1 categories

Antennas : 17M
  • A multi-band super mini loop antenna - To build this antenna you need a lot that is at least 100 feet across. Antenna covers all bands 80-10 meters + 30, 17, 12 meter WARC Bands
    [ Hits: 14765 | Votes: 19 | Rating: 7.35 ]
Antennas : 20M Antennas : 40M : 40 meter Delta Loop Antennas Antennas : 40M : 40 meter Loop Antennas Antennas : 40M : 40 meter Magnetic Loop Antennas
  • LA6NCA Loop antenna - Car mount magnetic loop antenna plans from 3.5 MHz to 7.5 MHz, LA6NCA, Larvik, Norway
    [ Hits: 14846 | Votes: 11 | Rating: 3.91 ]
  • K9FV 40 meters band loop - A Mississippi Style 40 meter magnetic loop made from available aluminum conduit, this antenna will not disappoint by Ken Holland, K9FV
    [ Hits: 14874 | Votes: 10 | Rating: 7.6 ]
Antennas : 80M
  • Build A Magnetic Loop  pop - Documents and schema on how to build a Magnetic Loop Antenna fo 80/30 mtrs
    [ Hits: 29495 | Votes: 12 | Rating: 6.76 ]
  • 80 Meter vertical Loop - An 80 meter band vertical loop antenna setup
    [ Hits: 1346 | Votes: 0 | Rating: 0 ]
Antennas : Loop
  • A Hanging Rectangular Loop Antenna - A rotatable hanging loop antenna that has been specifically designed for hanging in a tree. Horizontally polarized with a broad azimuth pattern and gain of nearly 3dB over a simple horizontal dipole!
    [ Hits: 3863 | Votes: 10 | Rating: 7.41 ]
Antennas : Magnetic Loop
  • GM3MXN Magnetic Loop Antenna - This article describes a loop usable from 7 - 21 mHz, using half inch copper tube 3 feet in circumference
    [ Hits: 2100 | Votes: 1 | Rating: 8 ]
  • Three or four foot box loop - Plans to build a three or four foot box loop for the AM broadcast band, will tune from 530 to 1710 kHz.
    [ Hits: 4137 | Votes: 3 | Rating: 7 ]
  • Magnetic loop for 80m - A Magnetic loop antenna project for 80 meters band by OH7SV, with detailed pictures and the Magnetic Loop Calculator in an Excel file
    [ Hits: 14209 | Votes: 20 | Rating: 7.29 ]
  • Quad loop antenna for 10 meters - A 27-28 Mhz quad loop antenna by Bernard Mourot F6BCU in french
    [ Hits: 1329 | Votes: 4 | Rating: 2 ]
  • 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: 2271 | Votes: 6 | Rating: 7.33 ]
  • Magnetic Loop Antenna - Although a magnetic loop antenna(aka small loop antenna) is very compact, its efficiency is close to a half-wavelength dipole if carefully built.
    [ Hits: 1523 | Votes: 1 | Rating: 10 ]
Antennas : Multiband
  • A Magnetic Loop antenna for 7-21 mhz - If you find external wire antennas obtrusive for amateur radio or short wave listening, then this is the antenna for you, is just 1 meter diameter
    [ Hits: 3826 | Votes: 2 | Rating: 5.5 ]
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 ]
Radio Equipment : HF Transceivers : Yaesu FT-817
  • Duracell DR36 battery to the FT 817 - The Duracell DR 36 laptop battery can be easily find and supplies 12 volts X 4 amperes. The main advantages on this system are, the weight, size, quick battery changing and no stress to the FT 817 power connector by PY1AHD
    [ Hits: 2727 | Votes: 7 | Rating: 3.29 ]
Technical Reference : Headsets and Speakers
  • Homebrew FT 817 Headset - A simple circuit to homebrew your own headset for the Yaesu FT-817
    [ Hits: 3452 | Votes: 2 | Rating: 6 ]
Technical Reference : Homebrew

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