MICRODYNE CORP <MCDY.O> 2ND QTR MAY THREE NET Oper shr nil vs profit one ct Oper net profit 14,000 vs profit 51,000 Revs 5,547,000 vs 6,021,000 Six mths Oper shr loss nine cts vs profit seven cts Oper net loss 383,000 vs profit 314,000 dlrs Revs 9,31,000 dlrs vs 12.5 mln NOTE: 1986 qtr and six mths excludes loss 171,000 dlrs and 358,000 dlrs, respectively, for loss from discontinued operations.