抄録
It has been the urgent and very strong requirements of marine construction industry to develop a new echo-sounder with the following features:
(1) To be compact and light.
(2) To be economical on consumption.
(3) To be very accurate.
(4) To be easy and simple on operations.
For this purpose, we have adopted a microcomputer aided thermal recording system for the sounding data acquisition and completed the Thermal-Microcomputer Aided Echo sounder.
The author describes, in this paper, on details of the present echo-sounder and the safisfactory results on the aboved-mentioned features conduced by various tests.
