Goto Section: 80.855 | 80.859 | Table of Contents

FCC 80.858
Revised as of October 1, 2006
Goto Year:2005 | 2007
Sec.  80.858   Radiotelephone receiver.

   (a) The receiver required by  Sec. 80.854(a) of this part must be capable of
   reception of H3E and J3E emissions on the radiotelephone distress frequency.
   The receiver must be capable of reception of J3E emissions on 2638 kHz and
   the receiving frequencies associated with the transmitting frequencies
   authorized pursuant to  Sec. 80.855(a).

   (b) In addition to the receiver required by paragraph (a) of this section, a
   radiotelephone distress frequency watch receiver meeting the technical
   standards of  Sec. 80.269 must be provided.

   (c) One or more loudspeakers capable of being used to maintain the distress
   frequency (2182 kHz) watch at the principal operating position and at any
   other place where the listening watch is performed must be provided.

   (d) The receiver required by paragraph (a) of the section must:

   (1) Have a sensitivity of 50 microvolts;

   (2) Be capable of operation when energized by the main source of energy, and
   by the reserve source of energy if a reserve source is required by
    Sec. 80.860(a);

   (3) Be protected from excessive currents and voltages;

   (4) Be provided with a nameplate showing the name of the receiver
   manufacturer and the type or model.

   (e) The sensitivity of a receiver is the strength in microvolts of a signal,
   modulated 30 percent at 400 cycles per second, required at the receiver
   input to produce an audio output of 50 milliwatts to the loudspeaker with a
   signal-to-noise ratio of at least 6 decibels. Evidence of a manufacturer's
   rating or a demonstration of the sensitivity of a required receiver computed
   on this basis must be furnished upon request of a Commission representative.


Goto Section: 80.855 | 80.859

Goto Year: 2005 | 2007
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