[G3OJV] knows the pain of trying to operate a ham radio transmitter on a small lot. His recent video shows how to put up a workable basic HF antenna in a small backyard. The center of the system ...

KWRM(AM) is using an innovative antenna design to serve southern California. Consultant Lowell Homburger says there's no ...

Two antennas are used: one antenna measures what is transmitted by the radio transmitter and the other antenna is used to record the echoes from the radar targets. A passive radar is a special ...

The system of radio antennas on Earth helps the agency communicate ... Voyager 1 has been using one of its two radio ...

Back to our radio signal. The electrons in our wire ... Just as the electrons move in the wire, they move in the transmitter's antenna. And just as an electromagnetic field is created around ...

Radio is recognised as one of the most widely consumed mediums worldwide. Here are some key facts about radio, and all you ...

A directional roof–mounted antenna can often help ... lighting and most lighting dimmers are actually little AM radio transmitters and can cause severe interference. AM reception can also ...

A true monster of a shortwave antenna has been standing ... President of the Austrian Experimental Transmitter Association (ÖVSV) and himself a radio amateur (OE1MCU) to heise online, “Relying ...

From pigeons to dolphins, spy organizations have turned to the animal kingdom to keep track of their enemies. But what ...