WORTH NOTING ON TV

SATURDAY ABC: US Open Golf (2:30 p.m., also Sunday, 2:30 p.m.) Live from Winged Foot Golf Club in Mamaroneck, N.Y.

SUNDAY

PBS: To Serve Them All My Days (9-10 p.m.) Beginning a Masterpiece Theatre repeat of this superb 13-part post WWI drama about life at an English boys' school.

MONDAY

PBS: Man's Best Friends (8-9 p.m.) Hardhitting Frontline documentary on the 100 million animals used in experimentation each year, with the pros and cons of the moral, economic, and medical questions this practice raises.

TUESDAY

PBS: Wilderness Journal (10-11 p.m.) Host William Devane journeys through the spectacular wilderness areas of California, Montana, Wyoming, Utah, and Nevada.

WEDNESDAY

HB0: Sakharov (8-10 p.m.) Pay cable's Home Box Office early release of this docudrama about the Russian dissident. Straightforwardly done, with little melodramatics. Its timeliness represents an international public service.