FCC 74.710 Revised as of October 1, 2007
Goto Year:2006 |
2008
Sec. 74.710 Digital low power TV and TV translator station protection.
(a) An application to construct a new low power TV, TV translator, or TV
booster station or change the facilities of an existing station will not be
accepted if it fails to protect an authorized digital low power TV or TV
translator station or an application for such station filed prior to the
date the low power TV, TV translator, or TV booster application is filed.
(b) Applications for low power TV, TV translator and TV booster stations
shall protect digital low power TV and TV translator stations pursuant to
the following requirements:
(1) An application must not specify an antenna site within the protected
contour of a co-channel or adjacent channel digital low power TV or TV
translator station, as defined in Sec. 74.792.
(2) The ratio in dB of the field strength of the low power TV, TV translator
or TV booster station at the protected contour of a co-channel digital TV or
TV translator station must meet the requirements specified in Sec. 74.706(d)(1).
(3) The ratio in dB of the field strength of the low power TV, TV translator
or TV booster station at the protected contour of a digital low power TV or
TV translator station on the lower and upper adjacent channels must not
exceed 49 dB and 48 dB, respectively.
(4) The analysis used in 74.710 should use the propagation methods specified
in Sec. 74.706(c).
(c) As an alternative to the requirements of paragraph (b) of this section,
an applicant for a low power TV, TV translator or TV booster may make full
use of terrain shielding and Longley-Rice terrain dependent propagation
prediction methods to demonstrate that the proposed facility would not be
likely to cause interference to digital low power TV or TV translator
stations, as described in Sec. 74.707(e) ( i.e. , reduce the service population
by no more than 0.5% within the station's protected contour based on the
interference thresholds of Sec. 73.623(c) of this chapter).
[ 69 FR 69332 , Nov. 29, 2004]
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