1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 General procedures for calibration
6 Electrical measurements
7 Preparation of transducers
8 Free-field three-transducer spherical-wave
   reciprocity calibration
9 Free-field calibration by comparison with an
   acoustic reference device
10 Verification, checks and limitations in free-field
   calibrations
11 Reporting of results
12 Recalibration periods
Annex A (informative) - Directional response of a hydrophone
        or projector
Annex B (informative) - Measurement of electrical impedance
        of hydrophones and projectors
Annex C (informative) - Calculation of electrical
        loading corrections
Annex D (informative) - Pulsed techniques in free-field
        calibrations
Annex E (informative) - Assessment of uncertainty in the
        calibration of hydrophones
Annex F (informative) - Derivation of the formulae for
        three-transducer spherical-wave reciprocity
        calibration
Annex G (informative) - Calibration using travelling wave-tubes
Annex H (informative) - Calibration of hydrophones using optical
        interferometry
Bibliography