Goto Section: 80.72 | 80.76 | Table of Contents

FCC 80.74
Revised as of October 1, 2005
Goto Year:2004 | 2006
Sec.  80.74   Public coast station facilities for a telephony busy signal.

   A “busy” signal, when used by a public coast station in accordance with the
   provisions of  Sec. 80.111(d), must consist of the transmission of a single audio
   frequency regularly interrupted, as follows:

   (a) Audio frequency: Not less than 100 nor more than 1100 Hertz, provided
   the frequency used for this purpose will not cause auto alarms or
   selective-ringing devices to be operated.

   (b) Rate of interruption: 60 times per minute  10%.

   (c) Duration of each interruption: 0.5 second  10%.


Goto Section: 80.72 | 80.76

Goto Year: 2004 | 2006
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