[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 ...

On the transmitter side, we have little more than an antenna connected to the common ... using backscatter of ambient RF signals from local radio stations; we’ve seen those before and were ...

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

The whole world can be reached with a unique short-wave antenna from Austria. It could be blown up as early as Thursday.

An antenna picks up the the radio wave. If the antenna is far from the transmitter, the signal is very weak. The radio signal is cut in half. Since both halves of the signal hold the same audio ...

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 ...