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Old 08-31-2014, 06:46 AM
  #4  
abbor
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Join Date: Feb 2005
Location: Norway
Posts: 14,174
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CHIRP gives major improvements also at 100'. And the low Q-factor of the Airmar CHIRP is a huge advantage even if operating at fixed frequencies in shallow waters.

This is NSS9 with TM150M. The line drawn at 7-8m is the thermo cline (I'm not using a downrigger here)

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