Relay Control Box for Turnstile Antenna
Presented is a relay controller for operating two orthogonal 75m dipoles to make them operate as a circular polarization turnstile antenna.
Presented is a relay controller for operating two orthogonal 75m dipoles to make them operate as a circular polarization turnstile antenna.
Big HF loop antennas provide great performance, but they can’t do everything. 160 meter full wave loops won’t work well for NVIS when used at 3.8 MHz.
Can free utilities allow multiple software applications access to the same serial port at the same time? Yes they can.