• field strength meter is an instrument that measures the electric field strength emanating from a transmitter. In ideal free space, the electric field...
    3 KB (415 words) - 03:31, 25 December 2022
  • In physics, field strength is the magnitude of a vector-valued field (e.g., in volts per meter, V/m, for an electric field E). For example, an electromagnetic...
    2 KB (138 words) - 15:43, 26 July 2023
  • Thumbnail for Electric field
    SI unit for the electric field is the volt per meter (V/m), which is equal to the newton per coulomb (N/C). The electric field is defined at each point...
    43 KB (5,495 words) - 11:59, 24 September 2024
  • Dipole field strength in free space, in telecommunications, is the electric field strength caused by a half wave dipole under ideal conditions. The actual...
    2 KB (360 words) - 16:40, 15 April 2024
  • Dead zone (cell phone) Dipole field strength in free space Field strength meter Received signal strength indicator S meter Signal Mobile phone signal Mobile...
    8 KB (1,289 words) - 13:36, 12 April 2024
  • Thumbnail for Magnetic field
    : 21  which is equivalent to newton per meter per ampere. The unit of H, magnetic field strength, is ampere per meter (A/m).: 22  B and H differ in how they...
    105 KB (12,968 words) - 00:09, 19 October 2024
  • the term dielectric strength has the following meanings: for a pure electrically insulating material, the maximum electric field that the material can...
    14 KB (1,413 words) - 18:10, 8 August 2024
  • electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in the frequency range from around 20 kHz to around...
    14 KB (1,060 words) - 03:10, 29 October 2024
  • pattern Skew Television interference Testing Distortionmeter Field strength meter Vectorscope VIT signals Zero reference pulse Artifacts Dot crawl Ghosting...
    1 KB (144 words) - 15:23, 5 October 2024
  • pattern Skew Television interference Testing Distortionmeter Field strength meter Vectorscope VIT signals Zero reference pulse Artifacts Dot crawl Ghosting...
    15 KB (1,924 words) - 12:14, 9 October 2024
  • distance between the transmitter and the receiver, usually measured in meters, and C {\displaystyle C} is a constant which accounts for system losses...
    10 KB (1,469 words) - 07:29, 18 January 2024
  • Thumbnail for Ultra high frequency
    known as the decimetre band as the wavelengths range from one meter to one tenth of a meter (one decimeter). Radio waves with frequencies above the UHF...
    27 KB (3,014 words) - 06:25, 7 October 2024
  • Thumbnail for Antenna (radio)
    careful measurement of field strength. The loss resistance and efficiency of an antenna can be calculated once the field strength is known, by comparing...
    82 KB (10,912 words) - 14:40, 27 September 2024
  • Thumbnail for Grid dip oscillator
    magnetic field, the field line angle in a vertical plane. Grid dip oscillator (GDO), also called grid dip meter, gate dip meter, dip meter, or just dipper...
    8 KB (1,065 words) - 08:22, 1 March 2024
  • Thumbnail for Very high frequency
    30 to 300 megahertz (MHz), with corresponding wavelengths of ten meters to one meter. Frequencies immediately below VHF are denoted high frequency (HF)...
    24 KB (2,852 words) - 12:08, 14 October 2024
  • system. Harmonic distortion may be expressed in terms of the relative strength of individual components, in decibels, or the root mean square of all harmonic...
    13 KB (1,615 words) - 11:00, 7 September 2024
  • Thumbnail for Color television
    enough that the power frequency/field rate mismatch was no longer important. Modern TV sets can display multiple field rates (50, 59.94, or 60, in either...
    88 KB (11,578 words) - 02:16, 31 October 2024
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    fields, if there were none, all beams would hit the screen near the center. The farther away from the center, the greater the strength of the field needed...
    20 KB (2,909 words) - 14:31, 19 November 2023
  • Thumbnail for Chrominance
    pattern Skew Television interference Testing Distortionmeter Field strength meter Vectorscope VIT signals Zero reference pulse Artifacts Dot crawl Ghosting...
    5 KB (651 words) - 21:49, 26 June 2024
  • Thumbnail for Frequency mixer
    amplifying device (such as a transistor or vacuum tube) that may increase the strength of the product signal. Active mixers improve isolation between the ports...
    11 KB (1,757 words) - 04:49, 24 September 2024
  • Thumbnail for Composite video
    pattern Skew Television interference Testing Distortionmeter Field strength meter Vectorscope VIT signals Zero reference pulse Artifacts Dot crawl Ghosting...
    15 KB (1,647 words) - 16:34, 29 October 2024
  • Thumbnail for Colorburst
    calling frequency in the 80-meter band, and its doubled frequency of 7.159 MHz is a common calling frequency in the 40-meter band. Tripling this frequency...
    10 KB (840 words) - 18:00, 8 September 2024
  • Thumbnail for Diplexer
    pattern Skew Television interference Testing Distortionmeter Field strength meter Vectorscope VIT signals Zero reference pulse Artifacts Dot crawl Ghosting...
    9 KB (1,381 words) - 20:21, 4 September 2024
  • pattern Skew Television interference Testing Distortionmeter Field strength meter Vectorscope VIT signals Zero reference pulse Artifacts Dot crawl Ghosting...
    11 KB (827 words) - 08:26, 27 October 2023
  • Thumbnail for Vectorscope
    pattern Skew Television interference Testing Distortionmeter Field strength meter Vectorscope VIT signals Zero reference pulse Artifacts Dot crawl Ghosting...
    8 KB (1,004 words) - 16:18, 15 August 2024
  • Thumbnail for Noise (electronics)
    magnetic field can run through to produce a current between the wires. Small loops may exist between wires twisted together, but the magnetic field going...
    17 KB (2,201 words) - 16:46, 6 August 2024
  • magnetic field strengths. Thus, doubling the propagation path distance from the transmitter reduces each of these received field strengths over a free-space...
    27 KB (3,433 words) - 23:42, 19 July 2024
  • [citation needed] A satellite finder (or sat finder) is a satellite field strength meter used to accurately point satellite dishes at communications satellites...
    19 KB (2,245 words) - 04:31, 9 October 2024
  • Thumbnail for Dummy load
    pattern Skew Television interference Testing Distortionmeter Field strength meter Vectorscope VIT signals Zero reference pulse Artifacts Dot crawl Ghosting...
    9 KB (999 words) - 15:18, 29 November 2023
  • Thumbnail for Dipole antenna
    which is the ratio of a free space plane wave's electric to magnetic field strength. The feedpoint is usually at the center of the dipole as shown in the...
    88 KB (12,392 words) - 19:16, 4 October 2024