There’s a joke in the world of radio that all you need for a HF antenna is a piece of wet string, but the truth is that rudimentary antennas rarely perform well. Random pieces of wire may pull in some ...

There’s a joke in the world of radio that all you need for a HF antenna is a piece of wet string, but the truth is that rudimentary antennas rarely perform well. Random pieces of wire may pull in some ...

Abstract: The impedance-loaded loop antenna is theoretically analyzed in steady state using the Fourier series expansion technique. An expression is derived for the receiving transfer function or ...

The Fusion360 design of the step motor support as well as the STL file used to print it on my 3D printer. The Arduino program used to drive the step motor Some pictures of the final result. The ...