4.1. Signatures of bad data

Contents:

• 4.1.1. Alongtrack Bias in Averages
• 4.1.2. Singleping: Bad weather / Heavy seas
• 4.1.3. Singleping data errors (bubbles)
• 4.1.4. Singleping data errors (ringing)
• 4.1.5. Averaged data errors (ringing)
• 4.1.6. Acoustic Interference (singleping examples)
• 4.1.7. Acoustic Interference (averaged data)
• 4.1.8. Acoustic (noisy) Noise
• 4.1.9. Scattering Layer
• 4.1.10. Previous Ping Interference
• 4.1.11. Heading error causes cross-track errors
• 4.1.12. Scale factor and along-track bias
• 4.1.13. ADCP Transducer-GPS offset
  • 4.1.13.1. Example:
  • 4.1.13.2. Conclusions:
  • 4.1.13.3. Calibration (Action)
  • 4.1.13.4. Road Map (Details)
  • 4.1.13.5. Redoing the Calibration:
• 4.1.14. Electrical noise (deep biases)
• 4.1.15. Bottom interference
• 4.1.16. Averaged data errors (trigger, sync)