4.2. Signatures of bad data

Contents:

• 4.2.1. Alongtrack Bias in Averages
• 4.2.2. Singleping: Bad weather / Heavy seas
• 4.2.3. Singleping data errors (bubbles)
• 4.2.4. Singleping data errors (ringing)
• 4.2.5. Averaged data errors (ringing)
• 4.2.6. Acoustic Interference (singleping examples)
• 4.2.7. Acoustic Interference (averaged data)
• 4.2.8. Acoustic (noisy) Noise
• 4.2.9. Scattering Layer
• 4.2.10. Previous Ping Interference
• 4.2.11. Heading error causes cross-track errors
• 4.2.12. Scale factor and along-track bias
• 4.2.13. Horizontal offset (ADCP-GPS)
• 4.2.14. Underway Bias caused by low Percent Good
• 4.2.15. Electrical noise (deep biases)
• 4.2.16. Bottom interference
• 4.2.17. Averaged data errors (trigger, sync)