Hello Mark My ground plane is made of chicken wire and is stapled under the shelf, behind my seat. It is directly below the com antenna. It measures 18" by 12", and works good. the reception seems normal. It is hard to compare with other aircraft due to the lower power of the Com's that I have been using. My old 7 watt RST radio used to go out about 35 miles @ 5,000 ft. Orma Southfield, MI N110LR Soon to celebrate 20 years
- KR> Ground Plane Mark Jones
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