§  73.504   Channel assignments in the Mexican border area.

   (a) NCE-FM stations within 199 miles (320 km) of the United
   States-Mexican border shall comply with the separation requirements and
   other provisions of the "Agreement between the United States of America
   and the United Mexican States Concerning Frequency Modulation
   Broadcasting in the 88 to 108 MHz Band" as amended.

   (b) Applicants for noncommercial educational FM stations within 199
   miles (320 km) of the United States-Mexican border shall propose at
   least Class A minimum facilities (see §  73.211(a)). However, existing
   Class D noncommercial educational stations may apply to change
   frequency within the educational portion of the FM band in accordance
   with the requirements set forth in §  73.512.

   (c) Section 73.208 of this chapter shall be complied with as to the
   determination of reference points and distance computations used in
   applications for new or changed facilities. However, if it is necessary
   to consider a Mexican channel assignment or authorization, the
   computation of distance will be determined as follows: if a transmitter
   site has been established, on the basis of the coordinates of the site;
   if a transmitter site has not been established, on the basis of the
   reference coordinates of the community, town, or city.

   [ 52 FR 43765 , Nov. 16, 1987]

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