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Antenna Factor of short tuned vertical
This is a simple calculator to estimate the Antenna Factor of a short 0.25 l'ambda vertical tuned with a concentrated inductor placed along its length, and installed over ground
post 05 Dec 2024
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Impedance Calculators
These calculators are used by Mantaro engineers and provided freely for your use
J-pole antenna design calculator
For 2 meters, the coil is 4 turns of coax at 5 inches in diameter
J Pole Antenna dimension calculator
The J Pole antenna is a simplified version of the Slim Jim antenna, using the same matching stub principle
Log periodic dipol array
Detail of the end-fed feed of a VHF log periodic dipole array
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These calculators are used by Mantaro engineers and provided freely for your use
For 2 meters, the coil is 4 turns of coax at 5 inches in diameter
The J Pole antenna is a simplified version of the Slim Jim antenna, using the same matching stub principle
Detail of the end-fed feed of a VHF log periodic dipole array
PSION Greyline Clock PSION Greyline Clock v. 1.0 is a UTC/Local clock showing sunlight/darkness area on the world map
Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica
SunCalc SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, sun movement, map, sunlight phases, elevation, Photovoltaic