-
2페이지
PAGE TWO
PAGE TWO
-
약 3만 야드 거리에서 350밀에서 300밀 사이, 고도 약 3만 1천 피트. 자동 설정 추적은 방위각 및 고도이며, 보조 거리 추적 기능이 있었고 시속 700마일까지의 목표물을 추적할 수 있었습니다. 그러나 이 경우, 두 세트 모두 목표물의 속도 때문에 거리 추적이 불가능하다고 판단했으며, 운용자들은 목표물을 유지하기 위해 수동 거리 추적에 의존해야 했습니다. 목표물은 이러한 방식으로 최대 추적 거리인 3만 2천 야드까지 추적되었습니다. 운용자는 목표물이 레이더 세트의 최대 보조 추적 능력보다 수백 마일 더 빠른 속도로 움직이고 있다고 말했습니다. 이 목표물은 최대 거리임에도 불구하고 때때로 매우 강한 반사 에코를 제공했지만, 에코 신호는 가끔 정상 반사보다 낮은 수준으로 떨어졌습니다. 이러한 변화는 목표물의 기동과 일치했습니다. 51년 9월 11일 오후 1시 30분경, 비정상적인 기동성을 보이는 SCR 584 레이더 세트에서 목표물이 포착되었습니다. 목표물은 약 1만 야드 거리, 6천 피트 고도, 정북 방위각으로 표시된 바와 같이 뉴저지 네이베싱크 상공에 있었습니다. 목표물은 스코프에서 거의 정지 상태를 유지하며 떠 있는 것처럼 보였습니다. 운용자는
OF THREE HUNDRED FIFTY TO THREE HUNDRED MILS AT A RANGE OF APPROXI- MATELY THIRTY THOUSAND YARDS, APPROXIMATE ALTITUDE 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 IM- 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 MAXIMUM TRACK- ING RANGE OF THIRTYTWO THOUSAND YARDS. THE OPERATOR SAID THE TARGET TO BE MOVING AT A SPEED SEVERAL HUNDRED MPH HIGHER THAN THE MAXIMUM AIDED TRACKING ABILITY OF THE RADAR SETS. THIS TARGET PROVIDED AN EX- TREMELY STRONG RETURN ECHO AT TIMES EVEN THOUGH IT WAS THE MAXIMUM RANGE, HOWEVER, ECHO SIGNAL OCCASIONALLY FELL OFF TO A LEVEL BELOW NORMAL RETURN. THESE CHANGES COINCIDED WITH MANEUVERS OF THE TARGET. ON SEPTEMBER ELEVEN, FIFTYONE AT ABOUT ONE THIRTY P.M. THE TARGET WAS PICKED UP ON AN SCR FIVE EIGHT FOUR RADAR SET THAT DISPLAYED UNUSUAL MANEUVERABILITY. TARGET WAS APPROXIMATELY OVER NAVESINK, NJ., 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 TO BE HOVERING. THE OPERATOR LOOKED OUT OF THE
OF THREE HUNDRED FIFTY TO THREE HUNDRED MILS AT A RANGE OF APPROXI- MATELY THIRTY THOUSAND YARDS, APPROXIMATE ALTITUDE 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 IM- 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 MAXIMUM TRACK- ING RANGE OF THIRTYTWO THOUSAND YARDS. THE OPERATOR SAID THE TARGET TO BE MOVING AT A SPEED SEVERAL HUNDRED MPH HIGHER THAN THE MAXIMUM AIDED TRACKING ABILITY OF THE RADAR SETS. THIS TARGET PROVIDED AN EX- TREMELY STRONG RETURN ECHO AT TIMES EVEN THOUGH IT WAS THE MAXIMUM RANGE, HOWEVER, ECHO SIGNAL OCCASIONALLY FELL OFF TO A LEVEL BELOW NORMAL RETURN. THESE CHANGES COINCIDED WITH MANEUVERS OF THE TARGET. ON SEPTEMBER ELEVEN, FIFTYONE AT ABOUT ONE THIRTY P.M. THE TARGET WAS PICKED UP ON AN SCR FIVE EIGHT FOUR RADAR SET THAT DISPLAYED UNUSUAL MANEUVERABILITY. TARGET WAS APPROXIMATELY OVER NAVESINK, NJ., 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 TO BE HOVERING. THE OPERATOR LOOKED OUT OF THE
-
목표물을 보기 위해, 거리가 매우 짧았기 때문입니다. 그러나 흐린 날씨로 인해 그러한 관측은 불가능했습니다. 운용 위치로 돌아오자 목표물이 극도로 빠른 속도로 고도를 변경하는 것이 관측되었지만, 거리 변화는 너무 느려서 운용자는 2페이지 끝
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 SO SLOW THE OPER- END OF PAGE TWO
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 SO SLOW THE OPER- END OF PAGE TWO