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Figure 2-7.XSV-01 850-meter sound velocimeter probe.
EVALUATION OF ANOMALOUS FEATURES

Aerographers Mate, Module 02-Miscellaneous Observations and Codes
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Figure  2-8  shows  an  example  of  both  a  temperature trace and a sound velocity trace from the AN/BQH-7A recorder. REVIEW  QUESTIONS Q11. What   additional   feature   of   the   AN/BQH-7A bathythermograph system is an advantage over the AN/SSQ-61A system? Q12. What is the main purpose of the auxiliary output cable on the AN/BQH-7A? Q13.   Besides   temperature,   what   additional   type   of recording trace is produced by the AN/BQH-7A? Q14. What  is  the  purpose  of  an  Expendable  Sound Velocimeter? EVALUATION  OF  SOUNDING TRACES LEARNING   OBJECTIVES:   Recognize   the anomalous   recording   indicators   due   to equipment   malfunction   and   other   unusual conditions in a bathythermograph observation. Describe  how  temperature  and  water  depths  are evaluated  from  a  bathythermograph  recording. After  the  completion  of  a  successful  sounding, temperature and depth levels are selected for encoding and   reporting. The  temperature  traces  from  all soundings  must  be  evaluated  for  possible  equipment malfunction  prior  to  encoding  the  data.  Temperature profiles  from  both  types  of  recorders  must  also  be examined  for  inconsistencies.  Although  the  paper recording  chart  is  slightly  different,  the  indicators  of Figure 2-8.—AN/BQH-7A recorder stylus alignment in (A) temperature mode and (B) sound velocity mode. 2-10







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