Most of the challenge in receiving the Alexanderson transmitter broadcasts are due to this very low broadcast frequency; your antenna is not long enough. If you’re in Europe, it’s a lot easier ...

I recently searched for a digital FM transmitter kit ... The simple code generates digital tones with the Arduino and broadcasts on Left channel (L) to prove connectivity and transmission frequency.

When we think of a spark gap radio transmitter, most of us immediately ... The RC network and the spark gap form a simple low frequency relaxation oscillator, with the C being charged until ...

The solid-state Harris Maxiva UAX is part of the company’s “Compact Class” of transmitters, with power levels from 5 to 50 watts, and as tested, providing frequency-agile UHF ... difficult situations ...

Computer engineer Thiery Guennou based in France has created a new Arduino compatible precision ... unique hardware and software architecture. Low frequency signals (LF), high frequency signals ...