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[CA11] Sonar vs CHIRP Downvision
12-11-18, 11:00 AM
Post: #2
RE: [CA11] Sonar vs CHIRP Downvision
Welcome to the Raymarine Forum Boatzguy,

Like the 50kHz and 200kHz conical sonar supported by the CP370, CHIRP sonar (as Raymarine employs it) is also conical in the sonar ping produced. The difference is that CHIRP sonar pings across a range of frequencies to provide sharper imaging and better object detection than does conical sonar using fixed frequencies. The CHIRP/DownVision circuitry found with the ax8/eSx8 MFDs and CP100 CHIRP/DownVision sonar module transmit utilize higher frequencies and relatively low power, making this type of sonar applicable to relatively shallow waters. Additional information on the characteristics of the eSx8 MFD's CHIRP/DownVision sonar may be found here and here. When seeking to fish deep water (900'+ depths) it would typically be recommended that a CP470/570 High Power CHIRP Sounder Module with compatible 1kW CHIRP transducer be used. More information on CHIRP sonar technology, including CHIRP Tutorials may be found on this Airmar web page.
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RE: [CA11] Sonar vs CHIRP Downvision - Chuck - Raymarine - Moderator - 12-11-18 11:00 AM

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