I recently retrieved an Eco we deployed last month but no velocity vectors were part of the data (all values "nan"). Without QC warnings, I don’t have any way to work out why this is and how to make adjustments. It appears that the depth of the sensor met the minimum 60cm of depth to get all three layers and nothing could be identified as interfering with the acoustic cone for the full deployment. Has anyone else had this experience?
When our client was informed, they were pretty annoyed that no velocity data was collected and there was no apparent reason why. Having a couple of error messages would be helpful during the post processing stage.
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