Goto Section: 22.561 | 22.567 | Table of Contents
FCC 22.565
Revised as of October 1, 2011
Goto Year:2010 |
2012
§ 22.565 Transmitting power limits.
The transmitting power of base, mobile and fixed transmitters operating
on the channels listed in § 22.561 must not exceed the limits in this
section.
(a) Maximum ERP. The effective radiated power (ERP) of base and fixed
transmitters must not exceed the applicable limits in this paragraph
under any circumstances.
Frequency range (MHz) Maximum ERP (watts)
152-153 1400
157-159 150
454-455 3500
459-460 150
(b) Basic power limit. Except as provided in paragraph (d) of this
section, the ERP of base transmitters must not exceed 500 Watts.
(c) Height-power limits. Except as provided in paragraph (d) of this
section, the ERP of base transmitters must not exceed the amount that
would result in an average distance to the service contour of 41.6
kilometers (26 miles) for VHF channels or 30.7 kilometers (19 miles)
for UHF channels. The average distance to the service contour is
calculated by taking the arithmetic mean of the distances determined
using the procedures specified in § 22.567 for the eight cardinal
radial directions, excluding cardinal radial directions for which 90%
or more of the distance so calculated is over water.
(d) Encompassed interfering contour areas. Base transmitters are exempt
from the basic power and height-power limits of this section if the
area within their interfering contours is totally encompassed by the
interfering contours of operating co-channel based transmitters
controlled by the same licensee. For the purpose of this paragraph,
operating transmitters are authorized transmitters that are providing
service to subscribers.
(e) Adjacent channel protection. The ERP of base and fixed transmitters
must not exceed 500 Watts if they transmit on channel 454.025 MHz and
are located less than 7 kilometers (4.3 miles) from any Private Radio
Services station receiving on adjacent channel 454.0000 MHz.
(f) Mobile transmitters. The transmitter output power of mobile
transmitters must not exceed 60 watts.
[ 59 FR 59507 , Nov. 17, 1994, as amended at 70 FR 19309 , Apr. 13, 2005]
Goto Section: 22.561 | 22.567
Goto Year: 2010 |
2012
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