▁aircraft ▁were ▁equ ipped ▁with ▁dual ▁or ▁triple ▁Car ous els ▁for ▁redund ancy . ▁Operation ▁was ▁relatively ▁simple ▁for ▁its ▁day , ▁a ▁pilot ▁or ▁flight ▁engineer ▁would ▁have ▁to ▁enter ▁the ▁individual ▁way points ▁by ▁their ▁latitude ▁and ▁longitude ▁points , ▁next ▁the ▁pilot ▁or ▁engineer ▁would ▁have ▁to ▁enter ▁the ▁starting ▁location ▁in ▁latitude ▁and ▁longitude . ▁The ▁system ▁used ▁a ▁series ▁of ▁gy ro scop es ▁as ▁acceler om eters ▁to ▁measure ▁movement ▁from ▁the ▁start ▁point . ▁The ▁Del co ▁Car ousel ▁der ives ▁its ▁name ▁from ▁the ▁fact ▁that ▁the ▁in ert ial ▁reference ▁platform ▁is ▁in ▁constant ▁rotation ▁as ▁a ▁technique ▁to ▁reduce ▁dr ift ▁and ▁increase ▁accuracy . ▁ ▁Category : Av ion ics <0x0A> </s> ▁Laura ▁El ise ▁Schw ending er ▁( born ▁January ▁ 2 6 , ▁ 1 9 6 2 ) ▁was ▁the ▁first ▁composer ▁to ▁win ▁the ▁American ▁Academy ▁in ▁Berlin ' s ▁Berlin ▁Prize . ▁ ▁Biography ▁Schw ending er ▁is ▁a ▁Professor ▁of ▁Com position ▁at ▁the ▁University ▁of ▁Wisconsin – Mad ison , ▁where ▁she ▁is ▁also ▁the ▁Art istic ▁Director ▁of ▁the ▁Contempor ary ▁Chamber ▁Ens emble . ▁She ▁received ▁her ▁Ph . D . ▁from ▁the ▁University ▁of ▁California ▁Ber keley , ▁where ▁she ▁studied ▁with ▁Andrew ▁Im brie ▁and ▁Ol ly ▁Wilson . ▁Schw ending er ▁has ▁been ▁invited ▁to ▁present ▁her ▁music ▁to ▁sem in ars ▁at ▁Harvard ▁University , ▁North western ▁University , ▁the ▁University ▁of ▁Chicago , ▁Y ale ▁University ,