co phased

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co phased

21 links

Antennas : 80M
  • 80 m 3/4 wave LLV - This is a vertically polarized Phased array. The left Vertical wire is 180 degrees out of phase
    [ Hits: 4903 | Votes: 3 | Rating: 7 ]
Antennas : Array
  • Crossfire Phasing - Phased antennas elements use radiated fields from multiple elements to produce nulls.
    [ Hits: 1189 | Votes: 3 | Rating: 9.33 ]
  • The Impact of Current Distribution on Array Patterns - Technical Correspondence, QST, July 1990 - Why even "perfect" phased array element currents don't produce perfect patterns.
    [ Hits: 753 | Votes: 1 | Rating: 10 ]
  • The simplest phased array feed system that works - How to calculate "phasing line" lengths that actually work.
    [ Hits: 2178 | Votes: 4 | Rating: 6.75 ]
  • K5UA 40 meter Phased Array - The intent of this site to share information about the design of a 40 meter horizontal phased array antenna.
    [ Hits: 3413 | Votes: 5 | Rating: 7 ]
  • A 2 Meter phased array antenna - Phased array Ground Planes antennas for 144 Mhz
    [ Hits: 4620 | Votes: 11 | Rating: 6.45 ]
  • Vertical phased Array - A SM3HXD vertical phased array antenna system
    [ Hits: 1391 | Votes: 1 | Rating: 8 ]
  • 2 Stack Match Yagi Antenna - Solves antenna matching problem with two phased antennas. Stacked rotary beams are popular. However, connecting two 50 Ohm antennas together presents some problems.
    [ Hits: 2062 | Votes: 7 | Rating: 2.15 ]
  • Convert 40m 2-element to a Phased Drive Array - This presentation details the work of converting a 40m 2-element reversible beam antenna into a phase-driven type of array
    [ Hits: 877 | Votes: 1 | Rating: 2 ]
Antennas : Beverage
  • CN2R Phased Beverages - Picture collection of the beverage antennas installed with cross-fire feed at CN2R
    [ Hits: 134 | Votes: 1 | Rating: 6 ]
Antennas : Four Square Antennas : Quad
  • The Swiss Quad Antenna - Rotatable Antenna with Phased Elements based on the orignal design concept of HB9CV antennas, is considered to have an higher gain than standard quad antennas. The Swiss Quad Antenna does not need any spreader or boom.
    [ Hits: 361 | Votes: 3 | Rating: 7.67 ]
Antennas : Receiving
  • Double Half-Delta Loop RX Antenna - This wire antenna was developed to offer for a small, low-band, ground independent directional receiving antenna, it requires only two support poles. It is basically composed by two interconnected half delta loops and is better than a single flag or EWE, and almost as good as two phased EWE in the same space.
    [ Hits: 939 | Votes: 0 | Rating: 0 ]
  • Receiving Phased Array with Small Electric or Magnetic Active Wideband Elements - Wideband receiving phased arrays with small electric or magnetic active wideband elements are discussed in details. Practical results and examples are given.
    [ Hits: 547 | Votes: 0 | Rating: 0 ]
Antennas : Theory Antennas : Vertical
  • Phased Arrays - Phased arrays of short vertical antennas. A technical notes from Butternut antennas on phased vertical arrays
    [ Hits: 4731 | Votes: 9 | Rating: 6.25 ]
  • Two Element Phased Verticals - Two 40 meter phased vertical antennas, project, pictures and description by W4NFR
    [ Hits: 1153 | Votes: 2 | Rating: 6 ]
Manufacturers : Antenna Switches
  • K8UR Phased Array Switchbox - A Phased Array Switchbox by ComTek founder K8UR, switch your 4-Square in 8 directions and control it remotely over the internet
    [ Hits: 317 | Votes: 2 | Rating: 5.5 ]
Manufacturers : Antennas : HF : Vertical Antennas
  • K4TR Antennas - K4TR Manufacture and sell simple dipoles, half square 2 wire phased vertical arrays, end fed zepp antennas, G5RV antennas. 1:1 baluns
    [ Hits: 4424 | Votes: 8 | Rating: 7.88 ]
Technical Reference : Radio Frequency Interference : Noise Reduction
  • Antenna Noise and Signal Cancelling at LF - By using the signals from two antennas, controlling their relative amplitudes and controlling the phase of one of them, unwanted signal or unwanted noise can be phased out. Circuitry is described which uses the signal from a wire antenna to provide selective cancelling against the signal output from an LF loop antenna.
    [ Hits: 7905 | Votes: 6 | Rating: 4.5 ]

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