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SUBSIM: The Web's #1 resource for all submarine & naval simulations since 1997
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SUBSIM: The Web's #1 resource for all submarine & naval simulations since 1997 |
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09-12-06, 11:13 AM
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Frogman
 Join Date: Jul 2005
Location: Ipswich, England
Posts: 302
Downloads: 281
Uploads: 0
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Knowing depth
Boats did of course have an echo sounder. Same principal as pinging but a much shorter transmission. Sounded more like a click. Alternatively, how about sending out a diver through the airlock to take a sounding with the good old leadline??????
RR 
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