Because of its broad-band abilities, a single antenna could serve several systems.
The complete magnetic sense is present in a single antenna.
It also has a single antenna mounted on the left rear side of the hull.
The single antenna was moved to the top lip of a redesigned air intake.
It has a single 6-faced antenna that can share the two available bands.
Hence control by changing the length of a single antenna is very limited.
However, using a single antenna only gives a direction.
The P-18 uses a single antenna accomplishing both transmission and reception.
In rural parts of the country, a single antenna can serve an area, or cell, with a 25-mile radius.
In the late 1960s traffic radars began being produced which used a single antenna.