Goto Section: 80.288 | 80.290 | Table of Contents
FCC 80.289
Revised as of October 1, 2008
Goto Year:2007 |
2009
Sec. 80.289 Requirements for radio direction finder.
(a) The radio direction finding apparatus must:
(1) Be capable of receiving signals A1A, A2B and R2B emission, on each
frequency within the band 285–515 kHz assigned by the Radio Regulations for
distress and direction finding and for maritime radio beacons, and be
calibrated to take bearings on such signals from which the true bearing and
direction may be determined; and
(2) Possess a sensitivity, sufficient to permit the taking of bearings on a
signal having a field strength of 50 microvolts per meter.
(b) The calibration of the direction finder must be verified by check
bearings or by a further calibration whenever any changes are made in the
physical or electrical characteristics or the position of any antennas, and
whenever any changes are made in the position of any deck structures which
might affect the accuracy of the direction finder. In addition, the
calibration must be verified by check bearings at yearly intervals. A record
of the calibrations, and of the check bearings made of their accuracy and
the accuracy of the check bearings must be kept on board the ship for a
period of not less than 1 year.
[ 51 FR 31213 , Sept. 2, 1986, as amended at 63 FR 29660 , June 1, 1998.
Redesignated at 68 FR 46973 , Aug. 7, 2003]
Goto Section: 80.288 | 80.290
Goto Year: 2007 |
2009
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