Airways said:

Is everyone so rude on here?

An earth made to steel makes a better ground plane than an earth made to aluminimum. Whats so difficult to understand about that concept? I did not state that aluminium would not work as a ground plane, merely that the steel chassis makes a great one. Connecting the shield to the earth point on the chassis gives a a much better ground plane. Simple.

Our aircraft have a small steel ground plane mounting in order to improve radio reception.

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Airways said:

Could be poor earth. Could be that the units on a Euro frequency (made that mistake myself). Or there is just no one talking! Cb is a dead format for the Nintendo generation!! Mine only gets used green laning.

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redhand said:

So your surmising that because an airplane has a steel reinforcing panel fitted. It therefore follows that ally makes a poor earthing point for any antenna . That would explain why the vast majority of Homebase Ham radio and TV antenna's are made from Aluminium, then??

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