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Antenna modeling, especially in Amateur Radio. Widely used as the basis for many GUI-based programs on many platforms. Version 2 is open source, but Versions 3 and 4 are commercially licensed. Momentum: commercial Yes Yes Partial Yes Yes equidistant MoM: For passive planar elements development, integrated into Keysight EEsof Advanced Design System.
An antenna analyzer measuring SWR and complex impedance of a dummy load. MFJ-269, MFJ Enterprises Inc. An antenna analyzer or in British aerial analyser (also known as a noise bridge, RX bridge, SWR analyzer, or RF analyzer) is a device used for measuring the input impedance of antenna systems in radio electronics applications.
Rig Expert Ukraine Ltd is a manufacturer of ham and PMR Two-way radio RF antenna analysis [1] and antenna tuning [2] equipment. The company was founded in 2003 and is headquartered in Kyiv , Ukraine .
MacLoggerDX is a full-featured amateur radio contact logger for macOS with Transceiver control, Rotor control, Callbook lookup, QSL handling (Hardcopy / LoTW / eQSL / Club Log), DX Cluster and spotting, and basic contesting support.
Other applications include antenna testing, frequency stability and frequency accuracy checking. Usually a WSPR station contains a computer and a transceiver, but it is also possible to build very simple beacon transmitters with little effort. For example a simple WSPR beacon can be built using the Si 570, [5] or Si 5351. [6]
Computer Antenna Modeling Simplified - Slide show compiled from the Internet for the AARA Ham Radio Club, (KE5KJD, 2010) Maximum-Gain Radial Ground Systems for Vertical Antennas - Analysis of how many ground radials is theoretically optimal for different vertical antennas (modeled with EZNEC4)
NYT Strands Spangram Hint: Is it Vertical or Horizontal? Today's spangram is horizontal (left to right). Related: The 26 Funniest NYT Connections Game Memes You'll Appreciate if You Do This Daily ...
The vertical plane is used to plot an antenna's relative field strength perpendicular to the ground (which directly affects a station's coverage area) on a polar graph. Normally, the maximum of 1.000 or 0 dB is at the side (unless there is beam tilt ), which is labeled 0°, to 90° at the top and −90° at the bottom.
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