P1e1 CEEFAX 171 Fri 20 Jul 20:01/24  1 2  FRIDAY  Regional variations  in Radio Times  6.4 7.55 OPEN UNIVE"BITY 1O.55 GOLFZ THE OPEN see p1  1>3O HOW DO YOU DO? I R 1.45-2.OO MIDDAY NEWS and Weather 2.15 GOLF: THE OPEN 4.18 REGIONAL N VB (excl London) 4.2O PLAY SCHOOL 4.45 AGATON SAX cartoon in three parts 5.1O WE'RE GOING PLACES with Peter Purves and Sue Cook 5.35 CAPTAIN PUGWASH 5.4O EVENING NEWS and Weather 5.55 NA$LONWIDE 6  STARTREK