◆ SpookStack

PAGE TWO OF THREE HUNDRED FIFTY TO THREE HUNDRED MILS AT A RANGE OF APPROXI~ —_ MATELY THIRTY THOUSAND YARDS, APPROXINATPALTITUDE THIRTYONE THOUSAND FEET. THE SET TRACK AUTOMATICALLY IS AZIMUTH AND ELEVATION AND WAS AIDED RANGE TRACKING AND CAPABLE OF TRACKING TARGETS UP TO A SPEED OF SEVEN HUNDRED MPH. IN THIS CASE, HOWEVER, BOTH SETS FOUND IT IN- POSSIBLE TO TRACK THE TARGET IN RANGE DUE TO ITS SPEED AND THE OPER~ ATORS HAD TO RESORT TO MANUAL RANGE TRACKING IN ORDER TO HOLD THE. TARGET. THE TARGET WAS TRACKED IN THIS MANNER TO THE MAXIMUN TRACK- ING RANGE OF THIRTYTWO THOUSAND YARDS. THE OPERATOR SAID THE TARGET. TO BE MOVING AT A SPEED SEVERAL HUNDRED MPH HIGHER THAN THE MAXIMUG ALDED TRACKING ASILITY OF THE.RADAR. SETS, THIS TARGET PROVIDED AN EX ONEepn fob ane! aro oR ene pe Cr AE TREMELY STRONG RETURN ECHO AT TINES EVEN THOUGH IT WAS THE MAXIMUM. RANGE, HOWEVER, ECHO SIGNAL OCCASIONALLY FELL OFF.10.A LEVEL BELOW NORMAL RETURN. THESE CHANGES COINCIDED WITH MANEUVERS OF THE TARGET. ON SEPTEMBER ELEVEN, FIFTYONE AT ABOUT ONE THIRTY PsN. THE TARGET Was PICKED UP ON AN SCR FIVE EIGHT FOUR RADAR SET THAT DISPLAYED UNUSUAL | MANEUVERABILITY. TARGET WAS APPROXIMATELY OVER NAVESINK, NJa, AS IN@ . DICATED BY HIS TEN THOUSAND RANGE, SIX THOUSAND FEET ALTITUDE AND DUE NORTH AZIMUTH. THE TARGET REMAINED PRACTICALLY STATIONARY ON THE SCHOPE AND APPEARED 10. BE HOVERING. THE OPERATOR LOOKED OUT OF THE "VAN PAREND THE VEHICLE HOUSING THE RADAR SERA PAREND IN AN ATTEMPT TO SEE THE TARGET, SINCE IT WAS AT SUCH A SHORT RANGE, HOWEVER, OVER~ CAST CONDITIONS PREVENTED SUCH OBSERVATION. RETURNING TO THEIR OPER~ ATING POSITION THE TARGET WAS OBSERVED TO BE CHANGING IN ELEVATION AT AN EXTREMELY RAPID RATE, BUT CHANGE IN RANGE WAS 50 SLOW THE OFER@ END OF PAGE TWO “Renee NT eR a a aE aE ATT TT ETT RET ET Ee ee aR aie CS RMON Ne, gp oe ha En ganna nee ee ‘ 2. ao any nears . . ay iting : meg ME 5 ay at ye Sm ape oe (og . a a . mia ta he tare ail ce Kote I iad ae te a ON Ta a erg! Sie gE NTN EY : “ . aia i ne ae a