Reflected Apparent Temperature (RAT) Tool
Enter your crumpled-foil “reflected” reading to store a RAT value for camera/software settings.
Aim camera at crumpled foil placed at target location/angle.
Ambient near equipment.
For report consistency.
RAT (°F)
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Suggested entry
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Copy this into your report or settings notes.
Reminder
Use same angle
RAT is angle-dependent—keep foil method aligned with target view.