Hi,
You will get a simple, but at the same time accurate answer via this link:
SKYbrary - Air Temperature or via this link:
The Archive Forum :: View topic - TAT, SAT, & Adiabatic Conversion
For a (much) more comprehensive answer try this link:
Total air temperature - Wikipedia, the free encyclopedia
Last edited by grebllaw123d; 12th May 2012 at 22:54.
Reason: addition of another link