§ 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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