antenna long

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antenna long

136 links - and 1 categories

Antennas : 2M
  • Hybrid LFA Yagi Oblong antennas - A project for a 144 MHz hybrid LFA - Oblong yagi antenna made based on YU7XL design by G1HZN
    [ Hits: 608 | Votes: 0 | Rating: 0.00 ]
Antennas : Active
  • Mini Whip Antenna - A shortwave active antenna, riginally designed for long wave and medium wave reception, but that works well all the way up through the shortwave bands based on the PA0RDT design
    [ Hits: 367 | Votes: 1 | Rating: 10.00 ]
Antennas : Baluns
  • 9:1 Voltage Unun - A 9:1 voltage unun using a T-200-2 powdered iron toroid core to feed a long wire multiband antenna.
    [ Hits: 909 | Votes: 3 | Rating: 5.33 ]
Antennas : End-Fed
  • End Fed Long Wire Antenna - The antenna is an inexpensive, multiband, end fed HF antenna. It has a matching network consisting of a toroid core and an antenna lead of 30
    [ Hits: 1548 | Votes: 0 | Rating: 0.00 ]
Antennas : Fan Dipole
  • 20 thru 10 Meter Fan Dipole - The 20 thru 10 meter dipole is constructed from #10 stranded insulated wire available in most hardware stores. The feedpoint uses an 8 inch long section of 2 inch diameter PVC pipe. A section of wire joins the elements at either side of the feedpoint to avoid the inductance of square knots that I use on lower frequencies by W1TR
    [ Hits: 1383 | Votes: 3 | Rating: 4.33 ]
  • Multiband Dipole - A long article on multiband dipole, with an overview on designing this wire antenna, and planning a robust installation and proper feed line
    [ Hits: 991 | Votes: 3 | Rating: 7.00 ]
Antennas : Loop
  • Pennant Loop adventures - Experimenting with pennant loop antennas article by Jedd Smith, includes layout ideas, modeling and design along to some pictures
    [ Hits: 267 | Votes: 4 | Rating: 7.00 ]
Antennas : Portable
  • Portable link dipole - A lightweight inverted vee antenna that can be supported by a 10 metre long fiberglass squid pole. The antenna is designed to cover 10, 15, 20, 40 and 80 m bands.
    [ Hits: 1328 | Votes: 0 | Rating: 0.00 ]
Antennas : Shortwave
  • Curtain Antenna - An antenna for shortwave radio broadcasting consisting of rows and columns of dipoles, is a high gain directional antenna, designed for medium and long range communications.
    [ Hits: 489 | Votes: 0 | Rating: 0.00 ]
Antennas : Theory
  • RF Measurement on W3EDP antenna - RF Current measurements on a Long Wire W3EDP antenna
    [ Hits: 422 | Votes: 1 | Rating: 1.00 ]
  • Electrically Small Antennas 2016 - An antenna system is electrically small if it's enclosing sphere is <λ/2π. So a 10m band antenna of under 1.6m long qualifies.
    [ Hits: 281 | Votes: 0 | Rating: 0.00 ]
Antennas : Windom Antennas : Wire
  • 5 element wire Yagi antenna for 20 m - A 5 element wide spaced yagi for the 20m long path to Europe was installed at ZL6QH, the antenna is fed with a 600 ohm open wire feed line.
    [ Hits: 608 | Votes: 0 | Rating: 0.00 ]
Antennas : ZS6BKW
  • Some Useful ZS6BKW Modifications - The ZS6BKW antenna evolved from an optimization of the G5RV antenna. The SWR on 80m is too high and the 40 ft ladder line matching section is a little too long on 17m and a little too short on 10m
    [ Hits: 320 | Votes: 0 | Rating: 0.00 ]
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: 174 | Votes: 0 | Rating: 0.00 ]
Radio Equipment : HF Amplifiers : Acom 1000
  • Mod for Acom 1000 amplifier - The problem originates by improper TXOUT-to-RF timing (RF transmission exists still after a TX-EN prohibition), combined by too long decay of their CW pulses.
    [ Hits: 148 | Votes: 0 | Rating: 0.00 ]
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