Goto Section: 90.350 | 90.353 | Table of Contents

FCC 90.351
Revised as of October 26, 2020
Goto Year:2020 | 2022
  §  90.351   Location and Monitoring Service.

   These provisions authorize the licensing of systems in the Location and
   Monitoring Service (LMS). LMS systems utilize non-voice radio
   techniques to determine the location and status of mobile radio units.
   LMS licensees authorized to operate a system in the 902-928 MHz band
   may serve individuals, federal government agencies, and entities
   eligible for licensing in this part 90.

   (a) Each application to license an LMS system shall include the
   following supplemental information:

   (1) A detailed description of the manner in which the system will
   operate, including a map or diagram.

   (2) The necessary or occupied bandwidth of emission, whichever is

   (3) The data transmission characteristics as follows:

   (i) The vehicle location update rates;

   (ii) Specific transmitter modulation techniques used;

   (iii) For codes and timing scheme: A table of bit sequences and their
   alphanumeric or indicator equivalents, and a statement of bit rise
   time, bit transmission rates, bit duration, and interval between bits;

   (iv) A statement of amplitude-versus-time of the interrogation and
   reply formats, and an example of a typical message transmission and any
   synchronizing pulses utilized.

   (4) A plan to show the implementation schedule during the initial
   license term.

   (b) LMS stations are exempted from the identification requirements of
   § 90.425; however, the Commission may impose automatic station
   identification requirements when determined to be necessary for
   monitoring and enforcement purposes.


Goto Section: 90.350 | 90.353

Goto Year: 2020 | 2022
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