Ph2003-04-04.m4v -

These files are primarily used by atmospheric scientists to correlate visual cloud data with instrument readings taken during the flight.

The "ph" prefix stands for Purple Haze , followed by the ISO date format (YYYY-MM-DD). ph2003-04-04.m4v

Depending on the specific archive, this video usually shows aerial footage, cloud formations, or cockpit views from research aircraft (such as the Proteus or ER-2) used to study atmospheric properties. These files are primarily used by atmospheric scientists