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Pre-1970
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page updated
 03/03/15

 

 

Roof Ground Plane

Due to the use of non-conducting fibreglass in the roof of this Austin Gypsy, earthing has been provided in the form of a ground plane using copper radials from each of the two antenna bases. This was a common sight in Fire Appliances which had wooden or fibreglass roofs.

Picture Source and Copyright:
Crown c1968-1970

Roof Ground Plane