1. When viewing the SonarTRX sidescan mosaic image tiles in Google Earth, make sure you turn off the Google Earth image compression, so you avoid artifacts in the rendered PNG images. Click on the Tools - Options menu, and select the 3D View tab. In the Texture Colors area, uncheck the checkbox for compression.
  2. To zoom in on the sidescan sonar image tiles and prevent Google Earth from changing the tilt angle as you get close, turn off the automatic tilt while zooming. Click on the Tools - Options menu, and select the Navigation tab. In the Navigation area, click the radio-box that says "Do not automatically tilt while zooming".

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