Pikey
Dummy Ejection Facilitator..
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- in Baron Wet Bum's Slave pit..
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.
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