l . SOURC! -' NUMBER 0~ OIJICTS 5 . LENCTH 0, OISI .. VATION 6. TYP! OF OISfi'IATION 9. PHYSICAL. IYIOIMCI 2. I.OC.A TION 10. CONCI.UIION 11. 111, SUMMARY AND ANAL. YSIS ~-HAVE YOU HEARD OF AHYON E 1'1'Y,. t,r TH i: RADAR STATION MA~ItHiA VISUAL SICHTINC ;.T >.~PROXIMATELY THE SAME TI~E THE R)OAR C :<'lT ..4(f t'IAS MADE? 0 YES :O.:NO I F SO, GIY': I'~A~S: AND AOORt:"iS. 9 . RAD>. q ~CO? f PHO TO): W~Rl: SCOPE PHOTOS "i.t.KltP ------ 1 fn:RE PRINT<; OF fLJE 'iCO,., .. '~11) f'J\ FO~tARDEO TO The 10. T RACI<!JATA: Y.HAf W~S f HE NUMBER 0~ r: tf. fUM K? :,\S A PERMANENT PlOT fA \1~ 0" Tttc " 1 \C:( AT THE ,.IME Of THE .)i3Sc1V TI ON ? i 11. HERe AIRCRAFT SCR-'MBLEO I) INT~RCE?T THE TARGET? 0 YES rrJ '10 I IF so, WERE THE AIRCRAFT HE IN) OdSERVEO OM THE SCOPE AT TH~ SAME I 12. WERE ANY NEARBY RADAR !NSTALLATOHS ~UERIED WHETHER THE'f HAO O~S~RV~O I THE SAME TARGET OR T~,., <, WAS THE TARGET OBSERV.:o t)'-4 ;:,E " RCH RADAR? IF SO, WHAT IS THE NOM ENCl . ~ fiJRe O F THE ECUIPMENT? ---------------------_ A:T/3'FS-J 14. WAS THE T ~RGET OBSERVED O N HEIGHT fiNDING RADAR? IF SO, ''iHAT I S THE NOMENC~ATURE O F TH!: EOUIPMEHT? -------------------- ! 15. HAVE THERE BEEH ~y RECENT MAINTENANCE DIFFICULTIES? U. ''tHAT T'fPE MODULATOR (i .E., SPARK G~r', PA~O T UBE, ETC.) I S USED I N THe ~\O~R eQUIPMENT? Chi . IT S: 19. ARE P E RSONNE L FAMILIA:< '.'ll'onJ Tl-'C: EFFECTS CAUSED SY AN INTERFERING SICN A L ? .. Ct YES 0 NO COMMt:N TS: 2Q. t'\~ E P FRSONN E L F .M.41LIA~ '{I O i r~ E F~ FECT S 0 F ANOMALOUS PROPAGATION (OUCTING EF F!:CT5) AS THF:Y r'~R7rl"'-1 T O fHIS TYPE OF RAD \R? -J YES 0 1'10 21. H A S ANOMALOUS PROPAGATION (DUCTING EFFECT) BEEN OBSERvED T O EXT END THE RANGE OF THE CROUND CLUTTER OF THIS RADAR AT T HIS SITE? :0: YES 0 NO 22. W \ 5 ANOl~ALOUS PROPAGA rJON lDUCT I N G EfCECT) E '<TENOINC THE RANGE Of THF. GROUN D CLUTTEq ~ i 'TH:: riME: TilE TARGET WA.> uUS.CRVf.D? 0 YES U tO 2 '-Pr. Jr0Rl"~NCE O F TAHGr 1 u. Rftl \I~IEO CONSI S Tl : l'l r H I .ILF. i: . SP~EO WAS CONSTMH c . F O LLOWED CONStSTEI'4 r f rt \ . < J. FU'ZZY COMPARED TO r )CH \rT TARG E T 0 C.IIAtiGEO SI.LF. H.\PlOLY SPEED WA S VARIA 8 L E AP~ c \ REO, DISAPPEARED, THEN Rc:AfPEAREO HI NEW LOCATION SH ?.P COMPARED TO KNO.YN AIRC~AFT TARGET SAME AS AIRCRAFT T AKvt r f4 'liE qE O T H=R T AAGETS (Kill) IN) CBSERVED IN THE SAME GENERAL A REA, A T .APPROXIMATEL Y THE SA.~ E TIME AND AT THE SAME ,\1. f r:JOE AS T H E UNUSUAL TARGET? 0 Y ES .::1 NO I f ~0, DESCRIBE. ~. WH~T TY E INDICATORS ( " A ' ' ~COPE, "8'' SCOPE, ETC.) WERE USED TO FOLLO 'N THE TARGET? Jus~ 1 PP! ~co~a 30. lr-SCOPF fli!OTOS APE ~.CJT A'/ THE rtME: 1\t .J ,AI TI T IJDl:. (I' .~t- ON TtiF Olt,L.f<AM. 'LO r Tin T A W .... F.T TP.A C K A'j II POitiT P L O T T t. O. ACC Uf<ATF.l Y A5 POS~I Bl E . GIV E PUT TilE :O.IECESSARY RANG E SCAL E Jl. USE TttiS 'SHE~T FOR ~NY CG.,,...E,.. r~. OPINIONS O R ADDITIONAL DATA NOT COVERED ~y TttE CUESTIO~S. .IJ. 'ttl - -; c on t. Ullli t P t)ll t; l' I iJO the 0 I i.. I ''8 S~lJ ll Le selec~-.il"' . .; f'" -::;!-!10 STA.TE UN 1 VC.R.SITY i (o w \!tO L. UC\IS, Prni.J~n: COLUMBUS 10 h '!.r follo r J.:: Prt ~ J ~DEN :~./CG ADC Zi T FJ COLO~ADO SPRINGS COLO JNP.!LI CG .1ADF HANILTCr-. AF o C:\LIF rrs:1 ;rv: .