Fixed Loop On-a-Roof - Great for Monitoring that Hard-to-Get AM/MW Radio Station
In article , craigm
wrote:
RHF wrote:
Usually getting the Element of the Loop Antenna at least
Three Feet above the Roof (Five Feet is better) will get
the Loop out of the Building's RFI / EMF Noise Envelop.
What technical foundation exists for this type of statement?
Most any building materials have a dielectric constant higher than air
(1) and tend to bend the electric field lines around the house. The
field lines generated inside penetrating the outside tend to head toward
earth.
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Telamon
Ventura, California
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