FCC 90.635 Revised as of October 1, 2005
Goto Year:2004 |
2006
Sec. 90.635 Limitations on power and antenna height.
(a) Systems to be located within 24 km. (15 mi.) of the geographic center of
the 50 urbanized areas detailed in table 1 will be considered “urban”
systems. All others will be considered “suburban” systems.
(b) The effective radiated power and antenna height, for base stations used
in suburban-conventional systems of communications, shall be no greater than
500 watts (27 dBw) and 152 m. (500 ft.) above average terrain (AAT),
respectively, or the equivalent as determined from table 2. These are
maximum values, and applicants are required to justify power levels and
antenna heights requested. For service area requirements less than 32 km.
(20 mi.) in radius, see table 3.
(c) The effective radiated power and antenna height for base stations used
in trunked and urban-conventional systems 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 table 2. These are maximum values, and
applicants will be required to justify power levels and antenna heights
requested. For service area requirements less than 32 km (20 mi.) in radius,
see table 4.
(d) The maximum output power of the transmitter for mobile stations is 100
watts (20 dBw).
Table 1_Urbanized Areas
[Note: Coordinates are referenced to North American Datum
1983 (NAD83)]
-------------------------------------------------------------------------------
---------------------------------
Geographic
center
Urban area --------------------------------------
---------------------------------
North latitude
West longitude
-------------------------------------------------------------------------------
---------------------------------
Akron, Ohio............................. 41 °05[min]00.2[sec] 81
°30[min]43.4[sec]
Albany-Schenectady-Troy, New York....... 42 °39[min]01.3[sec] 73
°44[min]59.4[sec]
Atlanta, Georgia........................ 33 °45[min]10.4[sec] 84
°23[min]36.7[sec]
Baltimore, Maryland..................... 39 °17[min]26.4[sec] 76
°36[min]43.9[sec]
Birmingham, Alabama..................... 33 °31[min]01.4[sec] 86
°48[min]36.0[sec]
Boston, Massachusetts................... 42 °21[min]24.4[sec] 71
°03[min]23.2[sec]
Buffalo, New York....................... 42 °52[min]52.2[sec] 78
°52[min]20.1[sec]
Chicago, Illinois....................... 41 °52[min]28.1[sec] 87
°38[min]22.2[sec]
Cincinnati, Ohio........................ 39 °06[min]07.2[sec] 84
°30[min]34.8[sec]
Cleveland, Ohio......................... 41 °29[min]51.2[sec] 81
°41[min]49.5[sec]
Columbus, Ohio.......................... 39 °57[min]47.2[sec] 83
°00[min]16.7[sec]
Dallas, Texas........................... 32 °47[min]09.5[sec] 96
°47[min]38.0[sec]
Dayton, Ohio............................ 39 °45[min]32.2[sec] 84
°11[min]42.8[sec]
Denver, Colorado........................ 39 °44[min]58.0[sec] 10
4 °59[min]23.9[sec]
Detroit, Michigan....................... 42 °19[min]48.1[sec] 83
°02[min]56.7[sec]
Fort Lauderdale-Hollywood, Florida...... 26 °07[min]31.3[sec] 80
°08[min]59.2[sec]
Fort Worth, Texas....................... 32 °44[min]55.5[sec] 97
°19[min]45.1[sec]
Houston, Texas.......................... 29 °45[min]26.8[sec] 95
°21[min]37.8[sec]
Indianapolis, Indiana................... 39 °46[min]07.2[sec] 86
°09[min]46.0[sec]
Jacksonville, Florida................... 30 °19[min]44.9[sec] 81
°39[min]41.3[sec]
Kansas City, Missouri/Kansas............ 39 °04[min]56.0[sec] 94
°35[min]20.8[sec]
Los Angeles-Long Beach, California...... 34 °03[min]15.0[sec] 11
8 °14[min]31.3[sec]
Louisville, Kentucky/Indiana............ 38 °14[min]47.3[sec] 85
°45[min]48.9[sec]
Memphis, Tennessee/Mississippi.......... 35 °08[min]46.3[sec] 90
°03[min]13.3[sec]
Miami, Florida.......................... 25 °46[min]38.4[sec] 80
°11[min]31.2[sec]
Milwaukee, Wisconsin.................... 43 °02[min]19.0[sec] 87
°54[min]15.3[sec]
Minneapolis-St. Paul, Minnesota......... 44 °58[min]56.9[sec] 93
°15[min]43.8[sec]
New York, New York-Northeastern New 40 °45[min]06.4[sec] 73
°59[min]37.5[sec]
Jersey.
New Orleans, Louisiana.................. 29 °56[min]53.7[sec] 90
°04[min]10.3[sec]
Norfolk-Portsmouth, Virginia............ 36 °51[min]10.5[sec] 76
°17[min]19.8[sec]
Oklahoma City, Oklahoma................. 35 °28[min]26.2[sec] 97
°31[min]05.1[sec]
Omaha, Nebraska/Iowa.................... 41 °15[min]42.0[sec] 95
°56[min]15.1[sec]
Philadelphia, Pennsylvania/New Jersey... 39 °56[min]58.4[sec] 75
°09[min]19.6[sec]
Phoenix, Arizona........................ 33 °27[min]12.2[sec] 11
2 °04[min]30.5[sec]
Pittsburgh, Pennsylvania................ 40 °26[min]19.2[sec] 79
°59[min]59.2[sec]
Portland, Oregon/Washington............. 45 °31[min]05.4[sec] 12
2 °40[min]39.3[sec]
Providence-Pawtucket-Warwick, RI/MA..... 41 °49[min]32.4[sec] 71
°24[min]39.2[sec]
Rochester, New York..................... 43 °09[min]41.2[sec] 77
°36[min]20.0[sec]
Sacramento, California.................. 38 °34[min]56.7[sec] 12
1 °29[min]44.8[sec]
Saint Louis, Missouri/Illinois.......... 38 °37[min]45.2[sec] 90
°12[min]22.4[sec]
Saint Petersburg, Florida............... 27 °46[min]19.1[sec] 82
°38[min]18.4[sec]
San Antonio, Texas...................... 29 °25[min]37.8[sec] 98
°29[min]07.1[sec]
San Bernardino-Riverside, California.... 34 °06[min]30.0[sec] 11
7 °17[min]31.2[sec]
San Jose, California.................... 37 °20[min]15.8[sec] 12
1 °53[min]27.8[sec]
San Francisco-Oakland, California....... 37 °46[min]38.7[sec] 12
2 °24[min]43.9[sec]
San Diego, California................... 32 °42[min]53.2[sec] 11
7 °09[min]24.1[sec]
Seattle, Washington..................... 47 °36[min]31.4[sec] 12
2 °20[min]16.5[sec]
Springfield-Chicopee-Holyoke, MA/CT..... 42 °06[min]21.3[sec] 72
°35[min]30.3[sec]
Toledo, Ohio/Michigan................... 41 °39[min]14.2[sec] 83
°32[min]38.8[sec]
Washington, DC/Maryland/Virginia........ 38 °53[min]51.4[sec] 77
°00[min]31.9[sec]
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---------------------------------
Table 2_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
------------------------------------------------------------------------
Effective radiated
power (watts) 1,2,5
Antenna height (ATT) meters (feet) -----------------------
Urban/
trunked Suburban
------------------------------------------------------------------------
Above 1,372 (4,500)............................. 65 15
Above 1,220 (4,000) to 1,372 (4,500)............ 70 20
Above 1,067 (3,500) to 1,220 (4,000)............ 75 25
Above 915 (3,000) to 1,067 (3,500).............. 100 30
Above 763 (2,500) to 915 (3,000)................ 140 35
Above 610 (2,000) to 763 (2,500)................ 200 50
Above 458 (1,500) to 610 (2,000)................ 350 80
Above 305 (1,000) to 458 (1,500)................ 600 160
Above 152.5 (500) to 305 (1,000)................ \3\ 1,000 220
Up to 152.5 (500)............................... 1,000 \4\ 500
------------------------------------------------------------------------
\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\ Stations with antennas below 152.5 m (500 ft) (AAT) will be
restricted to a maximum power of 500 W (ERP).
\5\ 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.
Table 3_Equivalent Powers and Antenna Heights for Suburban-Conventional Base St
ations in the 851-869 MHz and 935-
940 MH z Bands Which Have a Requirement for Less Than 32.2 km (20 mi) Servic
e Area Radius_Maximum Effective
Radiated Power (Watts)
[Base station antenna height (AAT) in meters (fee
t)]
-------------------------------------------------------------------------------
---------------------------------
Above /
to
--------------------------------------
---------------------------------
122 (400) 91.5 (300) 61 (200) 3
0.5 (100)
to 152.5 to 122 to 91.5
to 61 15 (50) to 0 (0) to
(500) (400) (300)
(200) 30.5 (100) 15 (50)
-------------------------------------------------------------------------------
---------------------------------
Service area radius km (mi):
32 (20)............................. 500 500 500
500 500 500
30 (19)............................. 400 500 500
500 500 500
29 (18)............................. 310 385 500
500 500 500
27 (17)............................. 235 300 385
500 500 500
26 (16)............................. 175 220 285
440 500 500
24 (15)............................. 130 160 215
330 500 500
22 (14)............................. 95 120 155
240 480 500
21 (13)............................. 70 85 115
175 350 500
19 (12)............................. 50 60 80
125 250 500
18 (11)............................. 35 45 60
90 180 360
16 (10)............................. 25 30 40
60 120 240
14 (9).............................. 15 20 25
40 80 160
13 (8).............................. 10 12 15
25 50 100
11 (7).............................. 6 7 10
15 30 60
10 (6).............................. 3 4 5
7 15 30
8 (5) or less....................... 1 2 3
4 8 16
-------------------------------------------------------------------------------
---------------------------------
Table 4_Equivalent Powers and Antenna Heights for Urban-Conventional and Trun
ked System Base Stations in the 851-869 MHz and 935-940 MHz Bands Which
Have a Requirement for Less than 32.2 km (20 mi) Service
Area Radius_Maximum Effective Radiated Power (Watts)
-------------------------------------------------------------------------------
-------------------------------------------------------------------------
Base station antenna heigh
t (AAT) meters (feet)
-------------------------------------------------------------------------------
--------------------------------------------------------------------------
Above 228 (750)
152.5 122 (400) 91.5 61 (200) 30.5 15 (50) 0 (0)
----------------------------------------------------------------------------
(500) ----------- (300) ----------- (100) ---------------------
305 ---
-------- 152.5 ----------- 91.5 ----------- 30.5
to (1,000) 22
8 (750) (500) 122 (400) (300) 61 (200) (100) 15 (50)
-------------------------------------------------------------------------------
-------------------------------------------------------------------------
Service area radius: km (mi):
32 (20)..................................................... 1,000
1,000 1,000 1,000 1,000 1,000 1,000 1,000
30 (19)..................................................... 800
1,000 1,000 1,000 1,000 1,000 1,000 1,002
29 (18)..................................................... 640
830 1,000 1,000 1,000 1,000 1,000 1,000
27 (17)..................................................... 480
625 960 1,000 1,000 1,000 1,000 1,000
26 (16)..................................................... 360
470 720 900 1,000 1,000 1,000 1,000
24 (15)..................................................... 270
350 540 675 875 1,000 1,000 1,000
22 (14)..................................................... 200
260 400 500 650 1,000 1,000 1,000
21 (13)..................................................... 140
180 280 350 450 700 1,000 1,000
19 (12)..................................................... 100
130 200 250 325 500 1,000 1,006
18 (11)..................................................... 70
90 140 175 230 350 700 1,000
16 (10)..................................................... 45
60 90 110 145 220 440 1,000
14 (9)...................................................... 30
40 60 75 100 150 300 600
13 (8)...................................................... 20
25 40 50 65 100 200 400
11 (7)...................................................... 15
20 30 40 50 80 160 300
10 (6)...................................................... 8
10 16 20 25 40 80 100
8 (5) or less............................................... 5
6 9 12 15 25 50 100
-------------------------------------------------------------------------------
-------------------------------------------------------------------------
[ 47 FR 41032 , Sept. 16, 1982; 47 FR 41045 , Sept. 16, 1982, as amended at 50 FR 784 , Jan. 7, 1985; 51 FR 37404 , Oct. 22, 1986; 52 FR 29857 , Aug. 12,
1987; 53 FR 1027 , Jan. 15, 1988; 58 FR 44963 , Aug. 25, 1993; 60 FR 50123 ,
Sept. 28, 1995; 63 FR 68969 , Dec. 14, 1998]
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