TEKTRONIX INC <TEK> 3RD QTR NET Qtr ends March 7 Shr 48 cts vs 39 cts Net 18.7 mln vs 15.6 mln Revs 415.4 mln vs 384.5 mln Nine mths Shr 1.31 dlrs vs 78 cts Net 50.7 mln vs 31.8 mln Revs 1.04 billion vs 1.01 billion NOTE: per share for yr and qtr prior restated to reflect two-for-one stock split in Jan 1987.