Patent ID: 8082681

Claim:
A method for improving or reconditioning an FCR APG-68 tactical radar unit comprising the steps of: (a) placing a high voltage high frequency power supply from a high frequency unit in a vacuum chamber; (b) evacuating the vacuum chamber to about 10 Torr or below; (c) heating the vacuum chamber in the range of about 40° to 105° C.; and (d) removing moisture until the rate of moisture desorbed has fallen to below about 2 milligrams per minute at about 60° C. or 5 milligrams per minute at about 70° C. or about 25 milligrams per minute at about 85° C. or until said high voltage high frequency power supply has been in said vacuum chamber for at least 4 hours by removing moisture with a high voltage test solution as a condensate through a cold trap operated at or below 0° C. and measuring the amount of moisture removed.