Sec.  80.1017   Antenna system.

   (a)  An  antenna  must  be  provided  for nonportable bridge-to-bridge
   radiotelephone  installations  which  is nondirectional and vertically
   polarized. The construction and installation of this antenna must insure
   proper operation in time of an emergency.

   (b)  In cases where portable bridge-to-bridge equipment is permanently
   associated with a vessel, the equipment must be provided with a connector
   for  an  external antenna of a type capable of meeting requirements of
   paragraph (a) of this section and  Sec. 80.71. The vessel must be equipped with
   an external antenna meeting requirements of paragraph (a) of this section
   and  Sec. 80.71, capable of use with the portable equipment during a normal
   listening watch.