antenna 5 mhz

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antenna 5 mhz

331 links - and 3 categories

Antennas : 23cm
  • Short DL6WU yagi for 23cm - 1260 MHz yagi antenna for ATV with a total Bandwidth (3 dB) 1240-1280 MHz and 10 dBd gain
    [ Hits: 137 | Votes: 1 | Rating: 4 ]
  • DL6WU Yagi Antennas for 1200 MHz - Dubus article about DL6WU long yagi antennas for 23 cm band Article is both in german and english. Yagi antennas are valid alternative to dishes for troposcatter operations. This article explains design and mechanical data for 1296 MHz Yagi Antennas
    [ Hits: 313 | Votes: 1 | Rating: 10 ]
Antennas : 2M
  • Rectangular Loop antenna for 2 meter band - An interesting and easy to build loop antenna for VHF bands, that present a feedpoint impedance of 50 ohms thus avoiding the need for a 1/4 wave impedance transformer. This antenna is ideal for sota and other portable operations
    [ Hits: 275 | Votes: 1 | Rating: 1 ]
  • Lightweight 144 MHz Yagi antenna - A Lightweight 2m Yagi for SOTA. The boom is 20mm PVC electrical conduit and the elements are 2.4mm aluminium TIG welding rod. The antenna is carried as a single length of conduit with the elements stowed inside the boom, sealing them in with a bung. The driven element is connected directly to 50 Ohm coax with a BN-43-202 balun core to decouple the coax shield.
    [ Hits: 176 | Votes: 0 | Rating: 0 ]
Antennas : 40M : 40 meter Dipole Antennas
  • Linear Loaded 40m Dipole - Dipole for 40m band. It is a simple linear loaded dipole feeded with 450-Ohm openwire feedline. Designed it for resonance at 7.050 MHz, can be tuned on 30m and 80m bands with an external antenna tuner. Build with simple electrical copper wire (2.5 mmq/13 awg) and two fishing poles with size of about 7 m/23 ft.
    [ Hits: 160 | Votes: 0 | Rating: 0 ]
Antennas : 6M
  • Delta Loop for 50 MHz - A homemade delta loop antenna for six meters band in German
    [ Hits: 254 | Votes: 0 | Rating: 0 ]
  • Six Meter Antennas Reviewed - In this article the author describes his personal experience on some antennas for 50 MHz he tested on the field, the six meter Dipole, Vertical, Moxon, a 3 element Yagi and an Omniangle antenna.
    [ Hits: 138 | Votes: 0 | Rating: 0 ]
  • G3JVL Vertical Antenna for 50 MHz - The G3JVL 6M ground plane vertical is a compact antenna that is ideal for portable operations. It packs away into a small bag only 1.3 metres long which is an ideal size for hand-baggage on aircraft.
    [ Hits: 244 | Votes: 2 | Rating: 9.5 ]
  • 6 metre SOTA Antenna - A simple and light vertical coaxial dipole for 50-52 MHz band, designed for portable SOTA operations based and inspired by the VK2ZOI flower pot antenna
    [ Hits: 164 | Votes: 0 | Rating: 0 ]
  • Halo and Stub antenna for 50MHz and 70MHz - Omni-directional mixed polarisation antenna for 50MHz & 70MHz. This is a simple Halo and Stub antenna which provides an omni-directional radiation pattern with mixed polarisation, which I built for use with the SUWS WEB SDR
    [ Hits: 137 | Votes: 1 | Rating: 9 ]
  • 50 MHz CLC antenna - A small antenna for 50 MHz made with copper cable loading coils
    [ Hits: 242 | Votes: 0 | Rating: 0 ]
  • 6 meter portable antenna - Bring the six meters with you during your hoilidays. This article features a portable moxon antenna for 50 MHz used for sota portable operatios
    [ Hits: 149 | Votes: 1 | Rating: 10 ]
Antennas : 6M : 6 meter Yagi Antennas
  • 3 Elements Yagi LFA for 50 MHz - A short 3 element LFA Yagi for 50MHz with a 1.94M boom. This antenna has been designed in order to minimise the upward and downward lobes typically seen the the EL plane on Yagi antennas.
    [ Hits: 225 | Votes: 2 | Rating: 8 ]
  • 6el LFA Yagi for 50MHz - This six element LFA Yagi for six meters has a 1.5 inch square boom with a 1.5 inch secondary boom beneath the first. This ensures the 7.3 metre long boom will not sag and will not require any guying. This antenna has 12.3 dBi Gain and just over 23dB F/B.
    [ Hits: 117 | Votes: 2 | Rating: 4 ]
Antennas : Halo
  • Halo Antenna for 50 MHz - The antenna described in this article is for 50 MHz, but the design can be scaled for any band, including VHF, UHF, or even the higher HF bands. The antenna is nothing more than a square loop of wire, approximately 30" (or ~76cm) per side. The loop is fed in the middle of one side, and the opposite side to the feed point has a gap in it.
    [ Hits: 292 | Votes: 0 | Rating: 0 ]
Antennas : Moxon
  • Moxon Beam for 2m - A home made, dirty and quick moxon antenna for 144 MHz made with PVC pipes.
    [ Hits: 193 | Votes: 1 | Rating: 9 ]
Antennas : Slim Jim
  • 70cm Slim Jim antenna - A simple slim jim antenna for 433 MHz. Simple drawings and pictures of a simple Slim Jim antenna.
    [ Hits: 266 | Votes: 0 | Rating: 0 ]
Antennas : Stealth
  • Linear Loaded Dipole for 15m and 20m - A small dipole antenna installed inside a balcony. This linear loaded short dipole antenna has been designed at first for the 21 MHz and then adapted for the 20 meters band.
    [ Hits: 620 | Votes: 2 | Rating: 4.5 ]
Technical Reference : Receivers
  • A 3.5MHz Receiver for SSB and CW - Homemade receiver for 80 meters band. The receiver works very well (in fact better than some of its successors), especially the AGC makes listening to 80m QSOs a real pleasure. Sensitivity is not cutting-edge, but on a full-size short-wave antenna it is by fare sensitive enough.
    [ Hits: 248 | Votes: 2 | Rating: 6.5 ]
Technical Reference : Transverters
  • Transverter for 50 70 28 MHz - This multiband transverter project features power output at 13,8V 50MHz 15W, 70MHz 10W, second harmonic <65dBc. Single N connector of antenna, suitable for a dual band Yagi. Article include Block Diagram for Dual Transverter and low pass filters
    [ Hits: 151 | Votes: 1 | Rating: 10 ]

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