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FCC 74.1205
Revised as of October 2, 2015
Goto Year:2014 | 2016
§ 74.1205   Protection of channel 6 TV broadcast stations.

   The provisions of this section apply to all applications for construction
   permits for new or modified facilities for a noncommercial educational FM
   translator  station  on  Channels  201-220,  unless the application is
   accompanied by a written agreement between the NCE-FM translator applicant
   and each affected TV Channel 6 broadcast station licensee or permittee
   concurring with the proposed NCE-FM translator facility.

   (a) An application for a construction permit for new or modified facilities
   for a noncommercial educational FM translator station operating on Channels
   201-220 must include a showing that demonstrates compliance with paragraph
   (b), (c) or (d) of this section if it is within the following distances of a
   TV broadcast station which is authorized to operate on Channel 6.
   FM Channel Distance (kilometers)
   201                          148
   202                          146
   203                          143
   204                          141
   205                          140
   206                          137
   207                          135
   208                          135
   209                          135
   210                          135
   211                          135
   212                          135
   213                          135
   214                          134
   215                          134
   216                          133
   217                          133
   218                          132
   219                          132
   220                          131

   (b) Collocated stations. An application for a noncommercial educational FM
   translator  station  operating  on Channels 201-220 and located at 0.4
   kilometer (approximately 0.25 mile) or less from a TV Channel 6 station will
   be  accepted  if  it  includes  a certification that the applicant has
   coordinated its antenna with the affected TV station.

   (c) Contour overlap. Except as provided in paragraph (b) of this section, an
   application for a noncommercial educational FM translator station operating
   on Channels 201-220 will not be accepted if the proposed operation would
   involve overlap of its interference field strength contour with any TV
   Channel 6 station's Grade B contour, as set forth below.

   (1)  The  distances to the TV Channel 6 station Grade B (47 dBu) field
   strength contour will be predicted according to the procedures specified in
   § 73.684 of this chapter, using the F(50,50) curves in § 73.699, Figure 9 of
   this chapter.

   (2) The distances to the applicable noncommercial educational FM translator
   interference contour will be predicted according to the procedures specified
   in § 74.1204(b) of this part.

   (3) The applicable noncommercial educational FM translator interference
   contours are as follows:
   FM channel Interference Contour F(50,10) curves (dBu)
   201                                                54
   202                                                56
   203                                                59
   204                                                62
   205                                                64
   206                                                69
   207                                                73
   208                                                73
   209                                                73
   210                                                73
   211                                                73
   212                                                74
   213                                                75
   214                                                77
   215                                                78
   216                                                80
   217                                                81
   218                                                85
   219                                                88
   220                                                90

   (d) FM translator stations authorized prior to June 1, 1991 with facilities
   that do not comply with the predicted interference protection provisions of
   this  section,  may continue to operate, provided that operation is in
   conformance with § 74.1203 regarding actual interference. Applications for
   major changes in FM translator stations must specify facilities that comply
   with the provisions of this section.

   [ 55 FR 50695 , Dec. 10, 1990, as amended at  58 FR 42025 , Aug. 6, 1993]

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Goto Section: 74.1204 | 74.1231

Goto Year: 2014 | 2016
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