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Short vertical antennas phased array
Information presented shows that the SVA can be an effective, low profile, and low cost antenna that is easy to construct
post 04 Dec 2024
Antenna Vertical Links →
Antenne verticale raccourcie pour le 14 et 28 MHz
Antennas of this type, to have a high efficiency, all needed an excellent grounding or a counter weight in the form of radians
Antenna verticale per hf non accordata
Elettricamente si tratta di una 5/8 per la gamma CB, dunque e' utilizzabile cosi' com'e sia in 27 sia in 10 metri, accorciandola leggermente
Antenne verticale 5/8 de lambda
Compared to the lambda / 4 antenna the 5/8 antenna has a gain of about 3dB, which is not negligible for an omnidirectional antenna
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Antennas of this type, to have a high efficiency, all needed an excellent grounding or a counter weight in the form of radians
Elettricamente si tratta di una 5/8 per la gamma CB, dunque e' utilizzabile cosi' com'e sia in 27 sia in 10 metri, accorciandola leggermente
Compared to the lambda / 4 antenna the 5/8 antenna has a gain of about 3dB, which is not negligible for an omnidirectional antenna
PSION Greyline Clock PSION Greyline Clock v. 1.0 is a UTC/Local clock showing sunlight/darkness area on the world map
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SunCalc SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, sun movement, map, sunlight phases, elevation, Photovoltaic