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Calculating Phase Line Length
A phase can only develop between two sine waves
post 13 Feb 2024
Antenna Calculator Links →
Antenna Trap Design
Enter desired frequency MHz, Results inductance L (uH) Capacitance C (pF)
Butterworth Filter
Select the desired parameters below and press the synthesize button to design your Butterworth filter
Calcul antenne helice
Calculation of Helical Antenna with frequency of work, Number of turns, Wavelength m
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Enter desired frequency MHz, Results inductance L (uH) Capacitance C (pF)
Select the desired parameters below and press the synthesize button to design your Butterworth filter
Calculation of Helical Antenna with frequency of work, Number of turns, Wavelength m
Noise suppression with X-phase II This device similar devices are known as QRM eliminators or noise killers, makes it possible
The K9AY loop antenna for 160 and 80m bands You don't have the space to put up a 4 beverage antenna's, an ewe or a 4-square and want 'good ears' on 160 and 80m? no problems try a k9ay loop antenna
Spiderbeam 10-15-20m E' una Yagi tribanda full-size leggera, fatta di tubi in vetroresina e filo