Recent content by guns

Hi all, Is it possible to find the direction of a source in 4 quadrants using directional antenna? I am thinking of setting up 4 directional antennas, facing to 4 quadrants, and they will receive the waves from the according quadrants. What do you guys think about this? And is there any...

oh my, silly me. Thanks mfb and milesyoung!

mfb, I did it this way: 1/2pi*sqrt(10^(-3)*10^(-12)) which approxmately equals to 5 Hz.

Hi all, I am currently building up a lightning detector based on this website: http://www.techlib.com/electronics/lightningnew.htm as the diagrams shows, the resonance tank included a 10mH inductor and a 10pF capacitor. As I want to calculate the resonant frequency (using the formula f =...