Additional ADCP info

Contents:

• Calculating Ocean velocity from ADCP data
• ADCP System failure modes
  • Manifestation (Symptoms)
  • Systems (Component failure)
• Signatures of bad data
  • (relatively) Clean ADCP data
  • Acoustic (noisy) Noise
  • Bad weather / heavy seas
  • Acoustic Interference
  • Underway Bias in Averages
  • Underway Bias in Singleping data
  • Underway Bias due to bad scale factor
  • Heading error causes cross-track errors
  • Scattering Layer
  • Electrical noise (spurious signal)