New wreck #1 of 3-Moultonboro Bay

Diver1111 · 10-11-2018, 06:54 PM

Went back yesterday to re-scan 3 new wrecks near Garnet Point, getting to only one of them due to technical difficulties with my boat.

EdgeTech 4125 sonar images attached include an image of the wreck at both Low frequency/400kHz and high frequency/900kHz showing the substantial differences between them, although sometimes it's the other way around with lower frequency generating a better image. The top image is high frequency.

Wreck sits at about 97 feet deep. Smooth mud bottom in this vicinity made good images possible. Often rock and gravel will wipe out an image because they are so highly reflective they mask the target sometimes.

Shadows have me wondering what's going on down there. Not sure what I'm looking at nor why the shadows don't appear in all images.

Zoom in on them for better clarity.

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10-11-2018, 06:54 PM	#1
Diver1111 Senior Member Join Date: Jun 2005 Location: Exeter NH Posts: 596 Thanks: 0 Thanked 1,027 Times in 224 Posts	New wreck #1 of 3-Moultonboro Bay Went back yesterday to re-scan 3 new wrecks near Garnet Point, getting to only one of them due to technical difficulties with my boat. EdgeTech 4125 sonar images attached include an image of the wreck at both Low frequency/400kHz and high frequency/900kHz showing the substantial differences between them, although sometimes it's the other way around with lower frequency generating a better image. The top image is high frequency. Wreck sits at about 97 feet deep. Smooth mud bottom in this vicinity made good images possible. Often rock and gravel will wipe out an image because they are so highly reflective they mask the target sometimes. Shadows have me wondering what's going on down there. Not sure what I'm looking at nor why the shadows don't appear in all images. Zoom in on them for better clarity. Attached Images

The Following 2 Users Say Thank You to Diver1111 For This Useful Post:
Senter Cove Guy (10-13-2018), Tallyho (10-12-2018)