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New in the library The PURSUE files The Department of War's UAP release, mirrored in full: the videos, recordings and images, each beside its case file. Browse the release → Documents matching “no radar return” 272 records · page 1
…primary radar reinforced by a beacon reply (primary radar
returns and beacon returns are both evident in the…
…The primary and the beacon return , aircraft, were generated as one report from the radar site.
BEACON WITH…
p. 4 …weak return on his radar gun sight. The lieutenant's sight was "caged" so he received no return . The major… p. 11 …a weak return on his radar gunsight. Homer's sight was "caged", so he received no returns . Smith estimated object… p. 14 …weak return on his radar gun sight. The lieutenant's sight was "caged" so he received no return . The major… p. 2 …a weak return on his radar gunsight. The lieutenant's sight was "caged" so he received no return . The major… p. 10 …a weak return on his radar gunsight. Hemner's sight was "oaged", so he received no returns . Smith estimated object… p. 13 …a weak return on his radar gunsight. The lieutenant's sight was "caged" so he received no return . The major… 1 more page mentions it p. 4 …0227 - The ROCC contacted ZAN to advise they were no longer receiving any
radar returns in the vicinity of JL1628… p. 4 …We adjusted the radar PVD to approximately a 25 mile
scale and there was a radar return in the position… p. 12 …We adjusted the radar PVD to approximately a 25 mile
scale and there was a radar return in the position… p. 14 …I intermittently monitored the radar but
at no time observed any radar data that in my opinion, conclusively indicated
traffic… 3 more pages mention it p. 3 …However, meteors can produce radar returns because of the ionization of their gaseous trail, which "trace" on radiometers.
CONCLUSION: On… p. 11 …We were using full KIT on our radar , which eliminated entirely all ground returns and stationary targets. There was very… p. 13 …no more about it.
All speeds in this report were calculated speeds based on time and distance covered on radar … p. 2 …CIA-RDP81R00560R000100010010-0 about 600 mph with no accelerator Lakenheath and well within radar at the time at 15,000… p. 3 …The radar operator indicated that the "return No further UREs… p. 5 …topic to complete and return the following form.
--which would preclude targets that enter the radar 's normal "blind zone… 1 more page mentions it p. 1 …and another return two and one-half NM northwest of base. No visual sightings were reported. Final return at 12NM… p. 3 …On 020326L Dec, GCA radar reported NW southwest. The novice same speed as Knife 21, no evidence chopper, at 12… p. 11 …I slashes
rep~ JAL Right No . .
1821 a It appeared on .the
FAA's radar scope. At:
first, the FAA… p. 14 …united Lift
Rental Company
no A<W• 1.q111 - 111o1 1111
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Klass laughed when told that
the… p. 1 …were no good. The last blip occurred at 70 miles and at that point the aircraft was returned to the… p. 2 …turned on his radar gunsight. As he swung onto the target, the warning light came on. No range was obtained… p. 3 …The air base launches no balloons). The observer on duty looked up the balloon track for the balloon launched at… p. 1 …All radar returns appeared normal on the scope for this object except for the last return which seemed slightly weaker… p. 11 …For example, the fact that a number of blips appeared and disappeared intermittently are characteristic of weather returns on radar … p. 17 …STUDENTS RETURNED TO HOME STATION MID TO SUPPLEMENT TYPICAL VECTORS TO OTHER POWER TRACTORS BUT WAS LIABLE TO SCORE.
SOCIALLY… 1 more page mentions it p. 1 …there were no
known aircraft in the area at the time and no other primary or secondary returns . He explained… p. 3 …The Military Radar Analysis Cell (RAC) where unable to trace the reported
object.
There were no radar traffic returns within… p. 1 …As reported by components of the US Air Defense Command, an unidentified flying object (UFO) was tracked by US radars … p. 2 …As reported by components of the US Air Defense Command, an unidentified flying object (UFO) was tracked by US radars … p. 4 …Techn i cally, this is known as an "uncorrelated primary and beacon target
return . " It means that the primary radar … p. 83 …We adjusted the radar PVD to approximately a 25 mile
scale and there was a radar return in the position… p. 84 …I intermittently monitored the radar but
at no time observed any radar data that in my opinion, conclusively indicated
traffic… 1 more page mentions it p. 3 …sweep of another radar nearby. Contact was lost at 2120Z. No visual contact established.
On the return westbound flight, the… p. 16 …A second tracking radar situated on Taboga Island, locked on the return . Target generally remained in same area half way… p. 21 …12:00 Jet returned to Howard. Pilot called and advised nothing was seen. Also advised Weather Build-up. Radar advised… 1 more page mentions it p. 1 …NO PRIMARY OR SECONDARY RADAR RETURNS DEPICTED ON ATC FACILITY RADAR . WOC 7-3333 MO/JG p. 11 …to produce direct returns , but could bend the radar beam downward to give a ground return .
Horizontal movement of these… p. 14 …Ionized clouds are believed to be the cause of some unidentified radar returns . Thundorstorm activity is identifiable by radar , and… p. 17 Temperature inversion reflections can give a return on a radar scope that is as sharp as that received from an… 2 more pages mention it p. 1 …As reported by components of the US Air Defense Command, an unidentified flying object (UFO) was tracked by US radars … …While the size of the radar return was comparable to that of a KC-135, its intense brilliance…
p. 1 …ZDV reports no IFR or VFR
traffic was in the area RADAR or NON-RADAR . No WX returns on theTSD… …While the size of the radar return was comparable to that of a KC-135, its intense brilliance…
p. 4 …Tec hnically, this is known as an "uncorrelated primary and beacon target
return .'' It means that the primary radar signal… …ARTCC controller advised him that there was no known air traffic, but did report intermittent radar targets. (Subsequent…
…ZMP observes a primary target on RADAR in the area. No aircraft observations. 0205 ZMP reports no additional…
p. 12 …was not another
air craft but rather a split radar return from the JAL Boeing 747.
Technically, this is known… p. 31 …0227 - The ROCC contacted ZAN to advise they were no longer receiving any
radar returns in the vicinity of JL1628… p. 33 …At approximately 0225Z while monitoring JL1628 on Sector 15 radar , the
aircraft requested traffic information. I advised no traffic in… p. 5 …Radar returns from both aircraft were then seen to merge on “Pillow’s”
radar scope. The radar return from the… …The object appeared on Gyatt's radar for twenty-one minutes. On returning to Roosevelt Road's Naval…
p. 1 …There were no primary or secondary radar returns depicted on ATC facility radar . Western Air
Defense reports no aircraft in… p. 1 …A bright object was reported in the sky and subsequently spotted by two radar stations.
Traffic controllers at Teheran Airport… p. 2 …THE SIZE OF THE RADAR RETURN WAS COMPARABLE TO: THAT OF
707 TANKER. THE VISUAL SIZE OF THE OBJECT WAS… …Cross-tell with FAA revealed no jet aircraft within 100NM of the sightings. Radar tracked the objects over…
…Observation Interrogation of UAP (yes/no ; if yes list sensor(s) and returns )::
• Third-party Observers and/or…
…Sir, I'm
picking up a-ah, hit on the radar approximately five miles in
trail of your…
…ACEQUIP
ACEQUIP
• Aircraft Callsign:
• Radar Name or Destination:
• Radar Software Load or Mission Data:
• Radar Warning Receiver (RWR…
…176 KTS
• Observation Interrogation of UAP (yes/no ; if yes list sensor(s) and returns ):: NO
• Third-party…
…ED NUGENT, JIM COPELAND, AND JIM RITCHEY, ALL EXPERIENCED RADAR CONTROLLERS, CHECKED THE OBSERVATIONS. THE AIRPORT CONTROL TOWER…
p. 4 …THE SIZE OF THE RADAR RETURN WAS COMPARABLE TO THAT OF A 707 TANKER. THE VISUAL SIZE OF THE OBJECT… p. 4 …THE SIZE OF THE RADAR RETURN WAS COMPARABLE TO THAT OF A 707 TANKER. THE VISUAL SIZE OF THE OBJECT… p. 9 …NO RADAR RETURNS RECEIVED FROM UAP.
NO HEALTH EFFECTS EXPERIENCED BY AIRCREW. 2 WHITE OBJECTS IR SIGNIFICANT.
NFTR.
WEATHER
• Weather… p. 4 …THE SIZE OF THE RADAR RETURN WAS COMPARABLE TO THAT OF A 787 TANKER. THE VISUAL SIZE OF THE OBJECT… p. 31 …return . These changes coincided with maneuvers of the target.
On 10 September 1951, 1515 hours, an SCR 584, serial no … …163 KNOTS
• Observation Interrogation of UAP (yes/no ; if yes list sensor(s) and returns ):: NO
• Third-party…
p. 5 …THE SIZE OF THE RADAR RETURN WAS COMPARABLE TO THAT OF A 707 TANKER. THE VISUAL SIZE OF THE OBJECT… …Benign
• Friendly Aircraft Speed:
• Observation Interrogation of UAP (yes/no ; if yes list sensor(s) and returns )::
• Third…
…ZME controllers have no radar depicting any activity in the vicinity at any altitude. FDX1
is at FL380…
…Benign
• Friendly Aircraft Speed: -
• Observation Interrogation of UAP (yes/no ; if yes list sensor(s) and returns ):: -
• Third…
p. 4 …THE SIZE OF THE RADAR RETURN WAS COMPARABLE TO THAT OF A 767 TANKER. THE VISUAL SIZE OF THE OBJECT… p. 16 were at the home of observing his radar equipment during this search. No object was reported by during this evening… p. 17 …According to his office he had left town and it was not known when he would return .
In summary, therefore… p. 37 …purpose.
No . 1. That the first ones contained instruments photograph simultaneously record distance altitude temperature. Thus with data returning via… p. 11 …As I mentioned before, we have had quite a few unknown radar returns . These
things have, the Air Defense Command… p. 12 …length camera with the radar spinner, so that whenever this radar operator gets a return ,
all he has to do… p. 14 …The
tower said there's no other airplanes out there. The radar man said, 'Yes, there is.' The
tower just… 2 more pages mention it