§ 22.759   Power limit for BETRS.

   The effective radiated power of central office and rural subscriber
   station transmitters used in basic exchange telephone radio systems
   must not exceed the limits in this section.

   (a) Maximum ERP. The effective radiated power (ERP) of central office
   and rural subscriber station transmitters in BETRS 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) Height-power limit. The ERP of central office stations in BETRS
   must not exceed the amount calculated as follows:

   ERPw = 557,418 ÷ hm2

   where ERPw is the effective radiated power in Watts

   hm is the average (eight cardinal radial) antenna height above average
   terrain in meters

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Subpart G—Air-Ground Radiotelephone Service

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