47 CFR 90.635 - Limitations on power and antenna height.

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§ 90.635 Limitations on power and antenna height.
(a) The effective radiated power and antenna height for base stations may not exceed 1 kilowatt (30 dBw) and 304 m. (1,000 ft.) above average terrain (AAT), respectively, or the equivalent thereof as determined from the Table. These are maximum values, and applicants will be required to justify power levels and antenna heights requested.
(b) The maximum output power of the transmitter for mobile stations is 100 watts (20 dBw).
Table—Equivalent Power and Antenna Heights for Base Stations in the 851-869 MHz and 935-940 MHz Bands Which Have a Requirement for a 32 km (20 mi) Service Area Radius
Antenna height (ATT) meters (feet) Effective radiated power (watts) 1,2,4
1 Power is given in terms of effective radiated power (ERP).
2 Applicants in the Los Angeles, CA, area who demonstrate a need to serve both the downtown and fringe areas will be permitted to utilize an ERP of 1 kw at the following mountaintop sites: Santiago Park, Sierra Peak, Mount Lukens, and Mount Wilson.
3 Stations with antennas below 305 m (1,000 ft) (AAT) will be restricted to a maximum power of 1 kw (ERP).
4 Licensees in San Diego, CA, will be permitted to utilize an ERP of 500 watts at the following mountaintop sites: Palomar, Otay, Woodson and Miguel.
Above 1,372 (4,500) 65
Above 1,220 (4,000) to 1,372 (4,500) 70
Above 1,067 (3,500) to 1,220 (4,000) 75
Above 915 (3,000) to 1,067 (3,500) 100
Above 763 (2,500) to 915 (3,000) 140
Above 610 (2,000) to 763 (2,500) 200
Above 458 (1,500) to 610 (2,000) 350
Above 305 (1,000) to 458 (1,500) 600
Up to 305 (1,000) 3 1,000
[70 FR 61062, Oct. 20, 2005]

Title 47 published on 2013-10-01

The following are only the Rules published in the Federal Register after the published date of Title 47.

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  • 2014-08-05; vol. 79 # 150 - Tuesday, August 5, 2014
    1. 79 FR 45371 - Rules in the 904-909.75 and 919.75-928 MHz Bands
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      FEDERAL COMMUNICATIONS COMMISSION
      Final rule.
      Effective Date: September 4, 2014.
      47 CFR Part 90

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United States Code
Statutes at Large

Title 47 published on 2013-10-01

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

  • 2014-08-06; vol. 79 # 151 - Wednesday, August 6, 2014
    1. 79 FR 45752 - Commission Seeks Comment on Shared Commercial Operations in the 3550-3650 MHz Band; Extension of Reply Comment Period
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      FEDERAL COMMUNICATIONS COMMISSION
      Proposed rule; extension of reply comment period.
      Submit reply comments on or before August 15, 2014.
      47 CFR Parts 1, 2, 90, 95, and 96