// Antennas
Antennas
Antenna calculators — dipole, patch, Yagi, horn, Friis transmission equation, free space path loss, gain and beamwidth.
Wire Antennas
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Dipole / Monopole
Half-wave, quarter-wave & full-wave · Length, frequency, radiation resistance
SOON
Yagi / Array
Element spacing & gain
Planar Antennas
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Patch Antenna
Microstrip patch dimensions & impedance
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Horn Antenna
Gain, aperture & beamwidth
Link & Propagation
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Friis Calculator
Received power & path loss
SOON
Free Space Loss
FSPL vs frequency & distance