1a

3a

Dep

th (

m)

Distance (100 m/mark)

metRange Gain (dB) -20.0 14.0 35.0 50.0 60.0 Position Correction -108.96 nSVert IIR LP N =1 F =300 MHz Vert IIR HP N =1 F =25 MHzHor. Scale: Stack 7, Skip 0Mul 10 Auto Gain N=11G=0 TC=0Vert Triang HP F =50 MHz Vert Triang LP F =210 MHz Hilbert Transform Magnitude Hor. Scale: Stack 3, Skip 0Mul 1.5

Mul 2

1a

3a

Dep

th (

m)

Distance (100 m/mark)

METADATAGSSI 100 MHz Model 3207 antennaGSSI 769DA transceiver

Recording parametersRange Gain (dB) -20.0 14.0 35.0 50.0 60.0 Vert IIR LP N =1 F =300 MHz Vert IIR HP N =1 F =25 MHz

Processing parametersHor. Scale: Stack 7, Skip 0Mul 10 Auto Gain N=11G=0 TC=0Vert. Triang. HP F =50 MHz Vert. Triang. LP F =210 MHz Hilbert Transform Magnitude Hor. Scale: Stack 3, Skip 0

Mul 3.0

6a

6b

Dep

th (

m)

Distance (100 m/mark)

8

9

Dep

th (

m)

Distance (100 m/mark)