PACIFIC NUCLEAR SYSTEMS IN <PACN> 4TH QTR LOSS Shr loss 19 cts vs profit seven cts Net loss 851,000 vs profit 227,000 Revs 2,600,000 vs 4,800,000 Year Shr loss 46 cts vs profit 19 cts Net loss 2,100,000 vs profit 600,000 Revs 9,900,000 vs 15.9 mln