Goto Section: 90.353 | 90.357 | Table of Contents
FCC 90.355
Revised as of October 1, 2011
Goto Year:2010 |
2012
§ 90.355 LMS operations below 512 MHz.
Applications requiring not more than 25 kHz bandwidth per frequency in
the 25-50 MHz, 150-170 MHz, and 450-512 MHz bands may use either
base-mobile frequencies currently assigned the applicant, or be
assigned base-mobile frequencies available in the service in which
eligibility has been established, provided that:
(a) For transmission between vehicles and base stations, each frequency
in a single-frequency mode of operation will provide location data for
approximately 200 vehicles, or both frequencies in a two-frequency mode
of operation will provide location data for approximately 400 vehicles,
except that for frequencies in the 450-512 MHz band that are assigned
in pairs in accordance with the allocation plan for the band, the
requirement is that location data be provided for approximately 200
vehicles for each frequency pair; and a showing is made that 50 percent
of the vehicles will be in operation within the system by the end of
the second year of the initial license term, and 70 percent will be in
operation within the system by the end of the initial license term;
except that if these vehicle loading standards will not be met,
frequencies will be assigned only on a secondary non-interference basis
to any authorized radiotelephony operation.
(b) The minimum separation between a proposed LMS station and the
nearest co-channel base station of another licensee operating a voice
system is 75 miles (120 km) for a single frequency mode of operation or
35 miles (56 km) for a two-frequency mode of operation. Where the
minimum mileage separation cannot be achieved, agreement to the use of
F1D, F2D, G1D, G2D or P0N emission must be received from all existing
co-channel licensees using voice emissions within the applicable
mileage limits. If there is interference with voice operations and
required agreement was not received, or operation was authorized on a
secondary non-interference basis, the licensee of the LMS system is
responsible for eliminating the interference.
(c) Frequencies additional to any assigned under paragraph (a) of this
section will not be assigned to the same licensee at any stations
located within 64 km (40 miles) of any station in which the licensee
holds an interest until each of such licensee's frequencies for LMS
operation is shown to accommodate not less than 90 percent of the
frequency loading requirements specified in paragraph (a) of this
section.
Goto Section: 90.353 | 90.357
Goto Year: 2010 |
2012
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