Half wave doublet
The half-wave dipole, commonly known as a "doublet", is a Hertz doublet whose length is theoretically equal to half the wavelength of the signal to be transmitted or received
post 19 Dec 2021
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EFHW the end-fed half wave antenna
One of the cautions you sometimes see in discussions of the end-fed antenna are avoid multiples of a half wave
Five simple antennas
This is a folded dipole that uses 300 Ohm TV twin feed-line throughout. The length L is calculated using standard dipole formulas(468/Frequency in Mhz, for feet, or 143/Frequency in Mhz
HF wire antenna
An L-shaped antenna
Antenas dipoles
130
One of the cautions you sometimes see in discussions of the end-fed antenna are avoid multiples of a half wave
This is a folded dipole that uses 300 Ohm TV twin feed-line throughout. The length L is calculated using standard dipole formulas(468/Frequency in Mhz, for feet, or 143/Frequency in Mhz
An L-shaped antenna
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