Use WordPad.
(without quotes on the following)
Edit > Replace.. > ", " with "_" > Replace All
Edit > Replace.. > "," with "." > Replace All
Edit > Replace.. > "_" with ", " > Replace All
Fixed!
I tested this on your sample data above, and ended up with this:
Code:
(1115118560)[Tue May 03 13:09:20 2005] Your location is -17.83, 628.39, 125.04. Your orientation is 89.95, 0.00, 0.00
(1115118560)[Tue May 03 13:09:20 2005] Your location is -18.21, 628.37, 125.05. Your orientation is 89.95, 0.00, 0.00
(1115118560)[Tue May 03 13:09:20 2005] Your location is -18.40, 628.36, 125.06. Your orientation is 89.95, 0.00, 0.00
(1115118560)[Tue May 03 13:09:20 2005] Your location is -18.95, 628.33, 125.08. Your orientation is 89.95, 0.00, 0.00
(1115118560)[Tue May 03 13:09:20 2005] Your location is -19.34, 628.31, 125.10. Your orientation is 89.95, 0.00, 0.00