File: Tide.up.zip ... Review

Allows users to measure wave amplitude and period or remove tidal signals from the time series.

Automatically identifies and labels the maximum and minimum sea level values on the displayed marigram. Other Potential Interpretations File: Tide.Up.zip ...

A web application framework where "tide" releases are often distributed as source code zip files. Allows users to measure wave amplitude and period

It is highly likely that refers to the compressed installation or data package for Tide Tool , an operational software developed by the Pacific Tsunami Warning Center for decoding and manipulating sea level data. Core Features of Tide Tool File: Tide.Up.zip ...

Depending on where you encountered the file, it could also relate to:

A specialized widget that remembers successive zoom frames, letting users toggle between different data perspectives.