1 9 8 4 ▁Winter ▁Olympics ▁Category : Pe ople ▁from ▁V atra ▁Dor ne i <0x0A> </s> ▁Gal axy ▁IV ▁was ▁a ▁model ▁H S - 6 0 1 ▁satellite ▁built ▁by ▁Hugh es ▁Space ▁and ▁Communic ations ▁Company ▁( H SC ). ▁The ▁satellite , ▁which ▁carried ▁a ▁payload ▁of ▁both ▁C ▁band ▁and ▁Ku ▁band ▁trans pond ers , ▁was ▁launched ▁on ▁June ▁ 2 4 , ▁ 1 9 9 3 ▁and ▁operated ▁by ▁Pan Am S at ▁Corporation . ▁It ▁was ▁in ▁ge ost ation ary ▁orbit ▁at ▁ 9 9 ° W . ▁ ▁Control ▁of ▁Gal axy ▁IV ▁was ▁lost ▁on ▁May ▁ 1 9 , ▁ 1 9 9 8 ▁when ▁the ▁satellite ' s ▁primary ▁control ▁processor ▁failed . ▁The ▁backup ▁control ▁processor ▁had ▁suffered ▁a ▁previously ▁und et ected ▁anom aly , ▁and ▁Pan Am S at ▁was ▁not ▁able ▁to ▁reg ain ▁control ▁of ▁the ▁space craft . ▁Gal axy ▁IV ▁was ▁declared ▁a ▁loss ▁on ▁May ▁ 2 0 , ▁ 1 9 9 8 . ▁Fail ure ▁of ▁the ▁primary ▁control ▁processor ▁was ▁attributed ▁to ▁tin ▁wh isk er ▁growth , ▁a ▁phenomen on ▁in ▁which ▁tend r ils ▁grow ▁from ▁sol der , ▁causing ▁an ▁elect rical ▁short ▁circuit . ▁ ▁Engine ers ▁believe ▁that ▁a ▁hole ▁developed ▁in ▁the ▁conform al ▁w ax ▁co ating ▁over ▁the ▁sol der , ▁allowing ▁wh isk ers ▁to ▁develop . ▁The ▁satellite ▁manufact urer , ▁Hugh es , ▁has ▁replaced ▁pure