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The CM 3020 and Clearstream 4v are not really comparable.
The CM 3020 is VHF and UHF. The Clearstream is UHF only
unless you add an optional VHF dipole. The VHF dipole is
for local/suburban distances. Your St. Louis stations are
all UHF but the stations you are most likely to receive out
of your market are Hi-VHF. The CM 3020 is Hi and Lo VHF.
The Winegard 7698, I recommend, is Hi VHF only. There
are no Lo VHF channels of importance anywhere near you.
The long elements on the CM 3020 are more subject to
damage than the shorter elements of the Winegard 7698p.
As far as "ratings" go, all antennas are limited to about 60
miles. The curvature of the Earth is why. In some instances,
range can go beyond 60 miles but either the transmitter or
the receiving antenna or both must be very, very high.
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