David Eduardo wrote:


Anything outside the local metro is not salable, and thus, irrelevant.

Are the people who rely on such stations also irrelevant, because they
live 50 miles out of town? Why don't we pile up the 50 KW stations like
we do on 1240 and 1400? Build one every 300 miles like TV channels?

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§ 73.21 Classes of AM broadcast channels and stations.

(a) Clear channel. A clear channel is one on which stations are assigned
to [SERVE] wide areas. These stations are protected from objectionable
interference within their primary [SERVICE] areas and, depending on the
class of station, their secondary [SERVICE] areas. Stations operating on
these channels are classified as follows:

(1) Class A station. A Class A station is an unlimited time station that
operates on a clear channel and is designed to render primary and
secondary [SERVICE] over an extended area and at relatively long
distances from its transmitter. Its primary [SERVICE] area is protected
from objectionable interference from other stations on the same and
adjacent channels, and its secondary [SERVICE] area is protected from
interference from other stations on the same channel. (See §73.182). The
operating power shall not be less than 10 kW nor more than 50 kW. (Also
see §73.25(a)).