Contents 



Preface v 



1 — Introduction 1 



2 — Directional Gauge 3 



Gauge Location and Array Geometry 3 



Pressure Gauges and Data Path 3 



Collection Schedule and Data Set Size 4 



3 — Primary Data Analysis 6 



Error Checking 6 



Frequency-Direction Spectra 9 



A — Characterizing Parameters 14 



Wave Height, Peak Frequency, and Peak Direction 14 



Circular Moment Parameters 15 



Quartile Parameters 16 



Summary of Parameters 17 



5 — Accessing Spectra 19 



6 — Summary 20 



References 21 



Appendix A: Table of Collection Times and Bulk Parameters Al 



Appendix B: Time Series Graphs of Bulk Parameters Bl 



Appendix C: Listing of FORTRAN Computer Program CI 



Appendix D: Listing of Sample Data File Dl 



