47 CFR 90.269 - Use of frequencies for self-powered vehicle detectors.

§ 90.269 Use of frequencies for self-powered vehicle detectors.

(a) Frequencies subject to § 90.20(d)(22) may be used for the operation of self-powered vehicle detectors by licensees of base/ mobile stations in the Public Safety Pool in accordance with the following conditions:

(1) All stations are limited to 100 milliwatts carrier power and 20K00F7W, 20K00F7X, 20K00F8W, 20K00F8X, 20K00F9W or 20K00F9X emissions. The frequency deviation shall not exceed 5 kHz. No more than two 30 ms. pulses may be emitted for each vehicle sensed.

(2) The transmitters must be crystal controlled with a frequency tolerance of plus or minus .005% from −20° to plus 50 °C. They must be certificated.

(3) The total length of the transmission line plus antenna may not exceed one-half wavelength and must be integral with the unit.

(4) All operation shall be on a secondary, non-interference basis.

(b) [Reserved]

[ 48 FR 54982, Dec. 8, 1983, as amended at 54 FR 38681, Sept. 20, 1989; 62 FR 18929, Apr. 17, 1997; 63 FR 36610, July 7, 1998]

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

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United States Code
Statutes at Large

Title 47 published on 09-May-2017 04:29

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 47 CFR Part 90 after this date.

  • 2016-12-13; vol. 81 # 239 - Tuesday, December 13, 2016
    1. 81 FR 89890 - Petition for Partial Reconsideration of Action in Rulemaking Proceeding
      GPO FDSys XML | Text
      Petition for reconsideration.
      Oppositions to the Petition must be filed on or before December 28, 2016. Replies to an opposition must be filed on or before January 9, 2017.
      47 CFR Parts 2 and 90