r ~=cROUP CONCLUSION 4 . NUMBER Or OoJ:CTS 5. LE~GTH OF OSScRVATION 6. TYPE Or OaSERVATIOH 9 . PHYSICAL EVIOENC~ O'f:.ll u:tt' 0.1 1J~lo.1 '' .s oo:tclurlcd. ~NCL!\SS\F\ErT J.? l1J940c7, r.as been per.t'or.IU:tg the d:lt,ies oi Ar'HC 272 72 Aircr.Lf t Landing Gontrol l'ccr.nicia!'l i::1 the AL,..,.;rs and .1ir-Ccurnu.'llcat _ons '3ervice :etael-.nt,. 1923.-l, l92lat. AACS Squadron since Au~ 1951 and i3 stated to b e fullj qtJalHied cy h13 Officer ':"he p rnu, officer does not krow t:.::e obsel"ver ~:rsona.1l;r A;3't Int~lli~ence O!fi IntelJj c Cff!ccr 1:tn St ic Fighter lJ, JCLASSIFIEJ I f?J(J CJ WILLAHD D. H.'~Gt::Y W OJG USAF A SS'T ADJU fAd r llNCLASSIFIED WRIGHT-PATTERSON AIR FORCE DASE ln r oply rPfur l..O Cu 'L'lRndin,.; Officer .3.):-;strora Air 2orc3 lhJe Aus ~in, 'c~.:ns 1 . i.~ GCA ct:'!.t.ion ~(, yrJi..l::' lM~9 made olPc:.~o:r~r; conr .-1ct vrlth un- .i.lenti fled 'l~rL.il phonou'"-n-l. on or ntou ~ 21 Jnn jj, l:;L.ovS7, Yl.hil 1 uortit.or i.ng loc.:1.l o.ir t .. r1.f.I.'lco In .:n1 ..ltt~pt. to u tCOTJ..:!r c.l lo,-~ir;?..l t..c: ... h~s dcvulop:d .3. nucsti.>.u.air~ fo ... --:;i~...h::.Ll''" 1 td~ b:,t :round r tJdr, of [,re-3.~ v alun in 'll:.tkrnotln('J' ~o c>:plo.Ln r d;n coni:.:-ct. .ri{Jil ur.~<11o:m flying obj'3ct.s vh&n (.hey r.r~J .d llJd cnt co 11)l(:i:."l.~ .:l.~ir! '1CCH!'t~t:.:!.; .~ th~ radar por0onnel involv~d. 3. A'l'J.C v1uuld, t~'lt~rei'ore, nppr uci at.e the ~..:>!1plAtio.n '!rul t'or.-nta- l ng o.f the El 9c :~ronic3 D1. tt ~ht)~t. ., t, you ..... c;.trlJ.'3::> ~ poss.iblJ convdrd. .;nc-;. ('cJO K 01 ~ ATION DNCLl\SSIC"IEO ELECTRONICS DATA SHEET (GROUND RADAR) The purpo8~ of thb questionnaire is to provide cechnlcal rlt\ta fo r cv"luatlng the rcporc of un unusual radar CArgct or trade. lc is requcst~d th At it be COUI~Jleted ns nccuc..1tdy n~ p,l..,:.ible . \'(hen not fllled in, the form is Uncluss ified . The reportin~ o!Hccr v1ill use hh own juJxement ns to wbac degre~ of class ific .atio n is required. h i s prefccred thac thr nn:jweu to the que.stloo~ be rypewrtu~n, bowevec, If lt will t:~ pcdite the completion of tht! fono, the nns wecs may b e prlnred iu lnlc. If ndd.ido u ul !:J.>.H.:c is necd~d. u:;e reverse side o{ fo rm. l. STATION OaSERVING TARGET: OF THIS REP ORT: OrgonlzaUon 3. DATE TARGET OBSERVED: ~ Jnrnrtry 19r:3 Local Time 0 4 . NAMEt... RA~K AND ORGANIZAT ION O F EPOr<'riNG OFF ICER: Day Month Yo or 5. f.XACT LOCATION OF STATION (COORDINATES): 6. OBSERVER DATE (LIST EACH OBSERVER): lrcr , ,i Cortr ol Tr~t~lciaP 7. WAS A VISUAL SIGHTING MADE BY ANY PERSONNEL OF THE STATiuN? 0 YES (J t-ID No. of y,.or E "P In Radnr IF SO, GIVE ~lAME AND RANK OF ALL P ERSONNEL MAl< lNG A VISUAL SIGHTING AND A A~IEF DESCRIP riON OF \/HAT TtiEY SAW: ATIC J-' O HIA JJ'i (l<l'(.VISH:U lS NOV 1952) HAVE YOU HEARD OF ANYONE NOT A T THE RAl>AR STATION MAKING A VI.)UAL SIGHiiNC A T APPI{OXIMATEL Y TilE SAME TIME rHE RADAR CONTACT WAS ~AADc? 0 Y ES 0 NO I F SO, GIVE NAME AND ADDRESS RADAR SCOP!.: PHOTOS: WERE PRINTS OF THE SCOPE PHOT OS ::ORWARDED T O T H E TRACK DA TA: WHAT WA S THE NUMBE~ OF THE T R ACi<? WAS A PERMANENT ?LOT MADE OF l'HE TRAC!< AT 'f H E TIMe O f THE 03SERVA710N? 11. WERE AIRCRAFT SCRAMa LED TO INTERCEPT THE T ARCET? 0 YES ,[J NO I F S~, WERE THE A IRCRAFT BEIN G OBSERVED ON THE SCO?:: AT THE SAME T I ME A S THE T ARCET ? t 1. WF:RE ANY NEARBY RADAR IN)TAlLATIONS QUERIED WHETHER THE Y HAO OB3:i:~'t'ED TttE SAME TARGET OR TRACK? IF SO, WHICH STATIONS? \lAS THE TARGET OBSE~VEO ON SEARCH RADAR? I f SO, WHAT I S THE NOMENCLATURE Or THE E QUIPME"'f'!'? t.t. \/AS THE TARGF.T OBSeRVE D ON HEIGHT F INDING RA DAR? 0 Y E3 D HO I F SO, WH A T I S THE NOMENCLATURE O F T H E EQUIPMENT? _ HAVE THERE OEEN ANY RECEN'( MAINTEN ANC::: DIFFICULTI ES? 0 Y ES l r SO, DESCRIBe. WHAT TYPE MODULATO R (I.E., SPARK GAf', HARD TUBE, ETC.) IS USED I N THE R~DA~ EQUIPM;:.H? WAS THE AFC (AUTOMATIC FREQUENCY CONTROL) CIRCUIT OPE~ATING P~OPERLY? U YF.S HAS INTERFERENCE FROM ANOTHER RADAR SET BEEN OBSERVED nECENTL Y : 0 YES .0 IW ,-C~El.:-f'DOWNG~.~nr;; ~ 1?. ARE P ERSONNEL FAMILIAR WITH THE EFFECT S C AUSED OY AN INTE RFERING SI GNAL? C:l Y ES ()NO 20. A Rt-PERSONNEL F AM ILl AR VII TH THE EFFECT~[) F ANOMALOUS P f<OPACATIO N (DUCT lNG EF F ECT5) AS -nu.:y PEiHAIN TO THIS TYPE OF f~ADAR? 0 YCS l} NO - 2 1. tfAS ANOMALOUS PROPAGATION (DUCTINC EFFECT) BEEN 0\SERVED "fO f-XTEND T H E nANCE OF TilE OUND CLUTTER OF THIS RADAR AT THIS SIT[? 0 YES (J t~O COMMENTS 1 22. WAS ANOMALOUS PROPAGATION (DUC TING EfFECT) EXTEN OING THE RANGE OF THE GROUND CLU"( r E R AT THE TIME THE TARGET WAS OBSERVED? U Y ES 0 NO 23. HOW DID THE TARGET AP'?EAR IN .SIZE AND lAP E A S COMPARED TO CON V ENT '''I AL AIRCRAFT T ARGE"iS? 24. PERFORMANCE OF TARGET : a. REMAINED CONSISTENT IN SIZE b. SPEED WAS CONSTANT c. FOLLOWED CONSISTENT TRACK d. FUZZY COMPARED TO AlRCRAFT SAME AS AIRCRAFT TARGET CHANGED SIZE RAPIDLY SPEE D WAS VARIABLf: APPEAf~EO, DISAPPEARED, TliEN REAPPEAI~ED IN N EW LOCATIO N SHARP COMPARED TO K NOWN AIRCRAF T 'f ARGET 25. WERE OTHE R TARGETS (KNOWN) OBSERVE D lN THE SAME GENER~L ARE A, AT APPROXIMATE L Y THE SAME TlME AND AT THE SAME ALTITUDE AS THE UNUSUAL TARGET? itJ YES 0 NO 26. WHAT TYPE INDICATORS ("A'' SCOPE, a " SCOPE:, E T C.) WE R E USE D T O FOLLOW THE TARGET? DESCRIBE THE SIGNAL: 27. Vr'HA ( WAS THE RADAR SCAN RATE? 20. WHAT WAS THE FREQUENCY OF THE TP.AN SMITTEfH 29. DID ANY OF THE O BSERVERS HAVE ANY OPINIONS AS TO THE NATURE OF THE TARGET? tJ Y ES 0 NO I F Y ES, GIVE THEIR NAMES AND OPINIONS BELOW. A T I C l'lltPI JJl (HRVJSt-;o 2 5 NOV l952) l r SCOPF PHO TOS A RE tWT AVAII.J\1\Lf, Pl C1 r 111: Ttlt TIMf:o AND ALTITUDE (IF ME ASUI<l lJ) r (JJ I 1\ 11 ON T H E OIACF<AM. JI',;fT lf~ACK AS ACCURATCLY AS P0!'$11\LE. G IVl: PUIII r Pl 01 f LO. PUT Ttl!:: N ECESSARY RM,Gf: SCALC ATIC l'OW ... .Ul (WKVISKO H NO V l 9SJ) 31. USE THIS SHEET FOR ANY COMMENTS, OPINIONS OR ADDITIONAL DATA NOT COVEf~cO LW TilE QUESTIONS. ttn~ H .. i CT' ~p trc l ar fl' l~ l'E .i< <. Cl! Ul\ICU\SSIFIED ATIC VO.RW 312 (lU'.VtS~O lJ l'fOY 195l) Al kO' T(l ' r an I.-trt