▁predicted ▁impact ▁data ▁from ▁the ▁launch ▁ag ency ▁firing ▁the ▁ball istic ▁or ▁inter cont inental ▁miss ile , ▁and , ▁after ▁completion ▁of ▁impact ▁tracking , ▁to ▁report ▁" quick look " ▁data ▁back ▁to ▁the ▁E RL ▁in ▁New ▁Jersey ▁so ▁that ▁it ▁could ▁be ▁evaluated ▁and ▁a ▁summary ▁report ▁be ▁forward ed ▁on ▁to ▁the ▁project ▁spons or , ▁AR PA . ▁ ▁During ▁this ▁period ▁of ▁operation , ▁communic ations ▁via ▁satellite ▁did ▁not ▁yet ▁exist . ▁As ▁a ▁result , ▁communic ations ▁between ▁the ▁D AMP ▁ship ▁and ▁New ▁Jersey ▁was ▁through ▁the ▁use ▁of ▁single - side band ▁( S SB ) ▁radio , ▁generally ▁through ▁the ▁use ▁of ▁a ▁ 1 0   k W ▁transmit ter . ▁The ▁D AMP ▁ship ▁generally ▁transm itted ▁upper ▁side band ▁( U SB ) ▁voice ▁and / or ▁lower ▁side band ▁( L SB ) ▁frequency - shift ▁key ing ▁radi ote let ype ▁in ▁the ▁area ▁of ▁ 1 6 ▁and ▁ 2 2   M Hz ▁when ▁atmos pher ic ▁conditions ▁were ▁favor able . ▁When ▁communic ations ▁became ▁difficult ▁because ▁of ▁atmos pher ic ▁conditions , ▁the ▁D AMP ▁ship ▁shift ed ▁to ▁car rier ▁wave ▁( C W ) ▁transmission ▁using ▁standard ▁Mor se ▁Code . ▁In ▁addition , ▁because ▁the ▁ship ▁could ▁be ▁out ▁to ▁sea ▁for ▁extended ▁periods , ▁such ▁as ▁a ▁month ▁or ▁so , ▁the ▁D AMP ▁ship ▁carried ▁an ▁amateur ▁radio ▁room ▁and ▁equipment , ▁which ▁technical ▁personnel ▁could