Tonight I did as above, but ran across the convoy's track ahead and went to all stop right on the track of the center column with that column bearing 090 on our stbd beam. The center escort was patrolling more than last night, at one pt turning thru 180 degrees pointing back toward the convoy then turning back toward us distant 3750yds. Thereafter she stayed on course heading slightly ahead of our DIW position. We held her at 080 and her target angle was 345. We stayed DIW nearly beam on to her and she detected at 800yds. Since this was somewhat rough seas, 12-15ft, range seems about right. Pounding on the sonar dome in heavy seas reduces detection range.
Need to now find a convoy in nice weather during daylight.
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Cordially,
Neil
CAPT USN (Ret.)
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