GeoTide Specifications

Analyzer

Source
1D or 2D Tidal Data
ASCII User Definable Input Format
Automated Tide Gauge Data / Spreadsheet / Text File

Analysis
Least Squares Harmonic Constituent Analysis
Schemes: Simplified (UKHO), Extended, User Definable
Individual Constituents or Lumped Constituent Groups
Definable Sum & Difference Frequency Constituents
Shallow Water Coefficients: Algebraic or Harmonic Methods
Maximum number of tidal constituents - unlimited
Maximum number of input points - unlimited

Output
Source graph export
Harmonic constituents scheme
Harmonic constants of location
Operations audit log

Documentation
User Manual
Interactive Help File

Prism

Scale
Horizontal: Frequency range user definable by text & cursor tool
Vertical: User definable with text & cursor tool

Display
Number of Points: User definable
Resolution: 2 * PI / (Input record duration)

Input
Number of Points: Unlimited - Subject to installed memory and virtual memory
Interval: Regular or irregular

Analysis
Swept Complex Digital Fourier Transform (DFT)

Anti-Alias
Windows: Hamming, Hanning, Welch, Bartlett, None

Documentation
User Manual
Interactive Help File

Predictor

Input
Tide Height or Tidal Stream Harmonic Constants
( e.g. tc1, tc2 files from GeoTide-Analyzer)

Settings
Time Zone: GMT / Local / System Height
Height Units: Meters, Feet & Inches
Stream Units: knots, miles per hour, km per hour, meters per second

Graphs
Graphical Output of 1 - 50 days
Identification of High and Low tides
Tidal Streams (1 or 2 Dimension)
Under Keel Clearance
Passage Times

Text (ASCII)
Height of Tide at regular intervals
High and Low Tides
Stream Speed / Velocity
Slack Tide and Fastest Tide
Extreme Highest and Lowest Tides
Passage Times

Web/HTML Output
Tables of High and Low Tides Number of months per table
Number of columns
Configurable text headings
Configurable font sizes & typeface

Documentation
User Manual
Interactive Help File

System Requirements

Windows 98SE, ME, NT4SP4+, 2000, XP, VISTA
Processor >1.5GhZ
Random Access Memory (RAM) 256MB
Hard Disk Drive (HDD)
- Installation 20MB
- Virtual Memory 1GB Available (Recommended)