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32. 1997 Economic Census





919. Cellular Telephone Industry

[Calendar year data, except as noted (92 represents 92,000). Based on a survey mailed to all cellular, personal communications services, and enhanced special mobile radio systems. For 1997 data, the universe was 2,228 systems and the response rate was 90 percent; for 1998 the figures were 3,073 systems and 94 percent; for 1999, 3,518 systems and 91 percent]

 
ITEM Unit 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
 
Systems Number 32 102 166 312 517 584 751 1,252 1,506 1,529 1,581 1,627 1,740 2,228 3,073 3,518
Subscribers 1,000 92 340 682 1,231 2,069 3,509 5,283 7,557 11,033 16,009 24,134 33,786 44,043 55,312 69,209 86,047
Cell sites 1 Number 346 913 1,531 2,305 3,209 4,169 5,616 7,847 10,307 12,805 17,920 22,663 30,045 51,600 65,887 81,698
Employees Number 1,404 2,727 4,334 7,147 11,400 15,927 21,382 26,327 34,348 39,775 53,902 68,165 84,161 109,387 134,754 155,817
Service revenue Mil. dol. 2 178 483 823 1,151 1,959 3,340 4,548 5,708 7,822 10,891 14,229 19,081 23,635 27,486 33,133 40,018
  Roamer revenue 3 Mil. dol. (NA) (NA) (NA) (NA) 89 294 456 704 974 1,360 1,830 2,542 2,781 2,974 3,501 4,085
Capital investment Mil. dol. 355 911 1,437 2,235 3,274 4,480 6,282 8,672 11,262 13,946 18,939 24,080 32,574 46,058 60,543 71,265
Average monthly bill 4 Dollars (NA) (NA) (NA) 96.83 98.02 89.30 80.90 72.74 68.68 61.48 56.21 51.00 47.70 42.78 39.43 41.24
Average length of call 4 Minutes (NA) (NA) (NA) 2.33 2.26 2.48 2.20 2.38 2.58 2.41 2.24 2.15 2.32 2.31 2.39 2.38


NA Not available.
1 The basic geographic unit of a wireless PCS or cellular system. A city or county is divided into smaller "cells," each of which is equipped with a low-powered radio transmitter/receiver. The cells can vary in size depending upon terrain, capacity demands, etc. By controlling the transmission power, the radio frequencies assigned to one cell can be limited to the boundaries of that cell. When a wireless PCS or cellular phone moves from one cell toward another, a computer at the Switching Office monitors the movement and at the proper time, transfers or hands off the phone call to the new cell and another radio frequency.
2 For July through December.
3 Service revenue generated by subscribers' calls outside of their system areas.
4 As of December 31.

Source: Cellular Telecommunications Industry Association, Washington, DC, Semi-annual Wireless Survey, (copyright).

http://www.wow-com.com/



https://allcountries.org/uscensus/919_cellular_telephone_industry.html

These tables are based on figures supplied by the United States Census Bureau, U.S. Department of Commerce and are subject to revision by the Census Bureau.

Copyright © 2006 Photius Coutsoukis and Information Technology Associates, all rights reserved.