True Air Speed?

Date:         17 Jan 99 02:37:19 
From:         "Scott" <scott@golfmike.demon.co.uk>
Followups:    1 2 3 4 5
Next article
View raw article
  or MIME structure

Short and Sweet.

Can anyone tell me how to work out TAS for IAS?
What other info is required?

Thanks in advance.