phase antennas

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phase antennas

21 links

Antennas : 40M : 40 meter Vertical Antennas
  • Phased 40M Wire Verticals - Experiments with phased wire vertical antennas on 40 meters at VA7ST
    [ Hits: 2922 | Votes: 2 | Rating: 7.5 ]
Antennas : Array
  • Crossfire Phasing - Phased antennas elements use radiated fields from multiple elements to produce nulls.
    [ Hits: 1189 | Votes: 3 | Rating: 9.33 ]
  • A 2 Meter phased array antenna - Phased array Ground Planes antennas for 144 Mhz
    [ Hits: 4620 | Votes: 11 | Rating: 6.45 ]
  • 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: 2061 | 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: 876 | Votes: 1 | Rating: 2 ]
  • Phased Vertical Antennas for 40m - Phased wire vertical antennas for 40 meters band
    [ Hits: 1005 | Votes: 2 | Rating: 7.5 ]
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 : Longwave
  • Transformers for low-bands antennas - Transformers can be used as part of a hybrid combiner or as phase inverters for an RX antenna array.
    [ Hits: 153 | Votes: 2 | Rating: 5.5 ]
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: 359 | 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 ]
Antennas : Theory Antennas : Vertical
  • Phased Arrays - Phased arrays of short vertical antennas. A technical notes from Butternut antennas on phased vertical arrays
    [ Hits: 4730 | Votes: 9 | Rating: 6.25 ]
  • Phased vertical antennas - Phased vertical antenna system in french
    [ Hits: 1975 | Votes: 1 | Rating: 10 ]
  • Two Element Phased Verticals - Two 40 meter phased vertical antennas, project, pictures and description by W4NFR
    [ Hits: 1151 | Votes: 2 | Rating: 6 ]
Manufacturers : Antennas : HF : Active antennas
  • Active Antenna Amplifier - Manufacturer of amplifier for small magnetic and electric receiving wideband antennas, and variable delay line kit for active antenna phased arrays
    [ Hits: 278 | Votes: 0 | Rating: 0 ]
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 ]
Operating Modes : Longwave
  • Antenna Noise and Signal Cancelling at LF - The fact that the phasing between a wanted signal and an unwanted signal can be different on different antennas is put to advantage. With this condition, the unwanted signal can be cancelled out by controlling amplitude and phase. The heart of the system is some form of phase control circuitry.
    [ Hits: 627 | Votes: 0 | Rating: 0 ]
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 ]
  • QRM and noise reduction - You will find on these pages my experiences and results on antennas and local/non-local QRM/noise reduction. Using a broadband vertical active magnetic loop and a home made / designed broadband amplifier. Two vertical magnetic Alford loops are used in an array. Analog and Digital Signal Processing and a dual phase coherent Software Defined Radio (SDR) are used. By PA0SIM
    [ Hits: 5085 | Votes: 6 | Rating: 7 ]
  • Noise cancellation on 2m using 2 antennas - Article on Phase-cancellation of noise on 2m band
    [ Hits: 501 | Votes: 2 | Rating: 3 ]

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