full wave

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full wave

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Antennas : 30M Antennas : 40M : 40 meter Delta Loop Antennas
  • Full Wave Delta Loop for 7 MHz - An homebrew project of a full wave delta loop antenna for the 40 meters band with dimensione, picture and assembling instructions in Indonesian
    [ Hits: 759 | Votes: 1 | Rating: 8 ]
  • Delta Loop DX Antenna for 40 meters band - A monoband delta loop antenna for the 7 MHz. This vertically polarized DX Antenna is a full wavelength sngle side antenna and has a total length of 42.3 meters (137,1 inch) Can be easily setup with a flag pole or fishing pole as center top mast. For optimal performance lower side should be at 2 meter above the ground. This antenna offers a low radiation angle and 1 DB Gain.
    [ Hits: 379 | Votes: 3 | Rating: 6.33 ]
Antennas : 40M : 40 meter Dipole Antennas
  • Half-Length Dipoles for 40 Meters - Complete collection of the four main parts of this excellet research on modelling and designing half wave dipole antennas for 40 meters band, covering all aspects beginning from full wave length antennas, to shortened, loaded and reshaped dipoles
    [ Hits: 267 | Votes: 2 | Rating: 10 ]
Antennas : 6M
  • Six Meter Quad Turnstile Antenna - Simple 6 Metre DX Antenna based on an article by LB Cebick in QST May 2002 on a Quad Turnstile antenna. This antenna is basically two full wave loops mounted at right angles fed 90 degrees out of phase to produce an omni-directional horizontally polarized pattern
    [ Hits: 670 | Votes: 2 | Rating: 9.5 ]
  • Six meter Hentenna - An Hentenna project for the six meters band. The standard size of standard hentenna is width 1/6 wavelength x height 1/2. The antenna build in this project is a full wavelenght antenna for the 50 MHz providing a 6.8 dbi gain.
    [ Hits: 181 | Votes: 1 | Rating: 9 ]
Antennas : 80M
  • An 80 m dipole antenna for restricted spaces - You can bend the wires in a half-wave dipole so that it takes up less space, with minimal loss of efficiency.It is advisable to get the ends of the antenna as high as possible, especially if children and animals are kept in the area around the antenna, as there are very high tensions on the ends of the antenna during transmission! In Norwegian
    [ Hits: 152 | Votes: 0 | Rating: 0 ]
  • 80m Vertical - This is a FULL SIZE quarter-wavelength vertical made on a 18m Spiderbeam fiberglass telescoping Spiderpole
    [ Hits: 117 | Votes: 0 | Rating: 0 ]
Antennas : Antenna Calculators
  • Full Wave Loop Antenna Calculator - Use this online calculator to determine the length of a full-wave loop antenna from the frequency. Both metric and English units of measurement are supported. Quarter-wave matching section lengths are also calculated.
    [ Hits: 892 | Votes: 5 | Rating: 8.2 ]
  • Calculate Antenna Lenght in feet, inches and meters - Inches and meters Javascript Wavelength Calculator allow to input a frequency in MHz and calculate wavelenght in several units considering also fractions of wavelenght and the velocity factor. Includes an usefull inch to meter converter
    [ Hits: 469 | Votes: 3 | Rating: 4.67 ]
Antennas : Dipole
  • Vertical Dipole Array - A simple and awesome wire monoband antenna, very usefull for portable and dxpeditions usage, consist of two elements, a driver and the reflector. This endfed halfwave gives a very low take off angle and is very suited for chasing DX.
    [ Hits: 1184 | Votes: 2 | Rating: 6.5 ]
  • Folded dipole antennas: terminated vs un-terminated - As the name suggests, it is simply a dipole with the tips folded towards each other. In this case, a full-wave dipole. The span of a standard folded dipole is aprox 0,5 lambda. In this article the author investigate on differences between un-terminated vs terminated folded dipole antennas.
    [ Hits: 444 | Votes: 9 | Rating: 6.78 ]
Antennas : End-Fed
  • Multiband end fed antennas - This is a 200 Watt PEP step up transformer for end fed full and half wave antennas without radials, designed as a 200 Watt PEP
    [ Hits: 2248 | Votes: 9 | Rating: 7.32 ]
Antennas : Loop
  • Vertical Full Wavelength Loop - Consider installing a stealth vertical loop antenna if you live in a place with no antenna restrictions. Full wave loop wire antennas allow you to be on the air without installing evidente external aerials.
    [ Hits: 426 | Votes: 1 | Rating: 8 ]
  • 40m Loop Antenna - This project is a full wavelength, horizontal, loop antenna for the 40 metre Amateur Radio band, built using insulated copper wire in a diamond shape, supported by egg insulators, tethered to 4 masts, each 6.5m high
    [ Hits: 169 | Votes: 0 | Rating: 0 ]
  • Quad Loop Antenna for 50 MHz - Building A Full-Wave Quad Loop Antenna for 6 Meters. This is an easy antenna to build and the materials cost about $15-20. It exhibits 1.8dB gain over a 1/2-wave dipole. Using an open-wire parallel feedline (commonly called ladder line) with an antenna tuner, it tunes up on the 10m band as a 5/8-wave loop as well
    [ Hits: 146 | Votes: 0 | Rating: 0 ]
Antennas : WiFi Manufacturers : Cable and Connectors
  • ABR Industries - ABR Industries Is A Full-Line American-Made Coax (RF) Cable Assembly Manufacturer. Coax Cables, Connectors, Custom Coax Cable Assemblies, Times Microwave LMR-Series.
    [ Hits: 112 | Votes: 1 | Rating: 10 ]
Technical Reference : Homebrew
  • Experimental HF 6-band SSB transceiver - An SSB radio for the HF bands will be presented. Featuring 12 to 20 Watts of output power (depending on DC supply), full DDS frequency generation, covering 6 major frequency bands (1.8, 3.5, 7, 14, 21 and 28 MHz) within the short wave amateur radio spectrum. The rig also features colored LCD and front panel backlight.
    [ Hits: 671 | Votes: 14 | Rating: 9.86 ]
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: 216 | Votes: 2 | Rating: 6.5 ]

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