AviationTire› Airframe And Systems, Electrics, Powerplant, Em. Equipment ›Electrics ›Basic radio propagation theory Q 4 / 5 ▾

A radio signal has a frequency of 225MHz and is transmitted through a typical di-pole aerial. For it to work efficiently what is the required length of the aerial?

2/3 m.
1,3 m.
0,07 m.
13 cm.