Marine TeacherJun 10, 20211 minDifference between X-band and S-band RADARDifference between X-band and S-band RADAR
Marine TeacherDec 7, 20201 minWhat is autopilot and its working principal ?The autopilot is equipment used to maintain the ship’s set course electronically and electrically for a long period of time when...
Marine TeacherNov 11, 20201 minWhat are the benifits and advantage of ECDIS (Electronic chart display and Information System)?BENEFITS OF ECDIS Reduced workload for the navigator (charts and nautical publications updating, voyage planning, all information in “one...
Marine TeacherNov 8, 20202 minDoppler Log ErrorsError in transducer orientation: The transducers should make a perfect angle of 60° with respect to the keel or else the speed indicated...
Marine TeacherNov 7, 20201 minDoppler Log Speed Through WaterThe transmitted pulse has certain power and can go up to a limited depth usually 200 meters. Beyond this depth, the echoes from the...
Marine TeacherNov 7, 20203 minDoppler Log Janus ConfigurationDoppler Log general formula with only one transducer- A transducer is fitted on the ship’s keel which transmits a beam of acoustic wave...