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RELEASE 1 JULY 2015 

(i" 

U.)ULIU U L 

PSAC BRIEFINGS 

29 August 1967 

By 

S. M. Tennant 

WHS-438 

Copy 9, of 2 

Pages: 31 

7 September 1967 
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(D)-SECRST- SPECIAL HANDLING f • 

IMAGE VELOCITY SENSOR (IVS) 

) 

(D) SECRET SPECIAL HANDLING 
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RELEASE 1 JULY 2015 

(D)-Steitegle- SPECIAL HANDLING 

MAJOR CONTRIBUTORS TO TOTAL. RATE TRACKING INACCURACY 

NAVIGATION AND CONTROL 

VIBRATIONS OF OV AND EQUIPMENT 

o CREW OR IMAGE VELOCITY SENSOR 

TOTAL (RSS) 

P 

(D) CECRET SPECIAL HANDLING 
(D) CECRET SPECIAL HANDLING 

POLARITY OUTPUT 

REQUIRED BETWEEN 

SATURATION 

LINEARITY 

DYNAMIC RANGE 

NULL ACCURACY 

NRO APPROVED FOR 

RELEASE 1 JULY 2015 

(D) 3roarr CPECIAL HANDLING 

IVS PERFORMANCE REQUIREMENTS 
G(s) 

1 • 

+ 

I 

t- — MIND .11•1111■ =WO OEM. MHO arra ■•••■• 

MIRROR POSITION 

MIRROR RATE . IMAGE 

OPTICS 

'RATE 

Ille--9111111). 

SCENE RATE 

IVS 

DYNAMICS COMPUTER 

CREW 

sol VISUAL 

OPTICS 

IM1. MM. MIO IMO ••••••• •INIM 

TM DRIVE LOOP 

II. 

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(D) -SECRET SPECIAL HANDLING 

TRACKING MIRROR DRIVE' CONTROL SYSTEM 

USING IVS OR CREW. SLEW AND SETTLE FOR PHOTOGRAPHY TO A RATE 

ERROR OF ) IN ANGLE /b + 4) SECONDS. 

LEADS TO REQUIREMENT FOR IVS OR CREW TO AID TMD TO SETTLE 

FROM IN LESS THAN 3 SECONDS. 

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foroRELEASE 1 JULY 2015 

NIJ4C-Li 

(D)-11116111119- SPECIAL HANDLING p. 4, 

IT EK WS SCHEMATIC 

FIELD LENS 

PRISM ASSY. FO .DI NC ; MIRRORS 

MODULATOR a. 

FOCUS VI DI CON 

FIELD 

FLATTENER, 

OPTICAL CENTER 

LINE AERIAL 

IMAGE 

• RELAY LENS AXIS.OF 

ROTATION 

(D)-811180:111?- SPICCIAL HANDLING 
VIDICON HIGH-PASS 

FILTER 

STOPPED 

IMAGE 

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(D)-9Beiker- SPECIAL HANDLING 

I TE K 

RUDIMENTARY SENSOR 

RECTIFIER 

LIMITATIONS 

SCENE SENSITIVE 

NO DIRECTIONAL INFORMATION 

MOVING 

IMAGE 

(D)--66GRSIP- SPECIAL HANDLING 
TIME 

ZERO INPUT IMAGE 

VELOCITY 

(STOPPED IMAGE) 

OPERATING PRINCIPLE 

f— MODULATION VELOCITY 

13--) 

Lot4s-(43; 

P`v 

RECTIFIED 

HIGH 

rREQ. 

VIDEO 

2nd HARMONIC 

111 111 111 II 

, 

RECTIFIED I-UGH FREQ. VIDEO 

FOR STOPPED IMAGE 

AND MODULATION VELOCITY 

MODULATION 

VELOCITY NPUT 

SCENE 

VEL9CITY 

1 1 1 

RECTIFIED HIGH FREQ. VIDEO 

FOR IMAGE VELOCITY PLUS 

MODULATION VELOCITY 

RECTIFIED 

HIGH 

FREQ. 

VIDEO 

FUNDAMENTAL 

COMPONENT 

X 

IMAGE 

VELOCITY 

IMAGE VELOCITY 

PLUS MODULATION 

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RELEASE 

• 

X 

IMAGE 

VELOCITY 

LP fete-T- SPECIAL HANDLING 
(0)—SErGREV-SPECIAL HANDLING 

(D) ineettirr SPECIAL HANDLING ki/jA zfs r 

.1)-1 ITEK SINGLE AXIS BLOCK DIAGRAM 

Low•Pass 

Filter 

' DC Output 

Proportional to 

Image Velocity, . 

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Scene 

I 

nam% 

Video 

• 

Image 

Modulator 

Vidicon 

Camera 

High 

Pas• 

Filter 

..111.111141 

Signal 

Gain Control 

Element 

2nd Harmonic 

Phase Sensitive Iss 

Detector 

f

2nd Harmonic Ref. 

Modulator 

Drive 

allimmomnimm 

Fundamental 

Phase Sensitive 

Detector 

14••• Fundamental Ref. 

csy end 

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FullWave 

11■•■•■ 

Rectifier 
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(D) -MOM SPZCIAL HANDLING 

• GOODYEAR !VS (CORRELATRON) 

r—DEFLECTION SPACE 

• 

OPTICAL 

IMAGE 

TRACK 

.005 to .1 SEC 

S 

ERASE 

TAU!

0

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riLLIEC 

Locicott 1"1 .15 to .25 szci 

(D) IMMO? SPIACIAL HANDLING 

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FOCUS FIELD : 

PHASE DISCRIMINATOR 

AND FILTER 

VII" /7//////(111 AMPL 

eon CORRELATRON 

YOKE A 

AGC 

.1111•1•■1111.11 

DEFLECTION INTEGRATOR 

AMPL. 

(D) -EGRET - SPECIAL HANDLING 

NUT. 

OSC. 

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(D) ODCRET SPECIAL HANDLING wists,w31 

GOODYEAR SINGLE AXIS BLOCK DIAGRAM 
DYNAMIC RANGE jilt /S 

WEIGHT ESTIMATE (LB) 

MODULATION FREQUENCY (Hz) 

SPATIAL FREQUENCY RANGE 

MAXIMUM RESOLUTION (FT. ) 

- MINIMUM RESOLUTION (FT. ) 

BREAK FREQUENCY (Hz) (MIN. SPEC.) 

PRACTICAL BREAK FREQUENCY 

FIELD OF VIEW 

(D) -SBGAIST- SPECIAL HANDLING 

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(D) -5Befter SPECIAL HANDLING 

PERFORMANCE COMPARISON 

GOODYEAR ITEK 

W14s-cof 

19I 

LIGHT LEVEL MIN. (FT. CANDLES) 

CONTRAST RATIO 

NULL ACCURACY it R/S 
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(D)—StPCR2T—SPIECIAL HANDLING 

OPTICAL CONFIGURATION 

1,U4S -Li 3 

(.15 

With Pellicle , 

With Mirror 

1.2% 

2.8% 

Visual Secondary Ross Optics. 

Optic. 

Optical Axis , Ross 

Doublets 

Main Pellicle 

Ross Diagonal Mirror 

Film 

Mine 

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Mirrors 

Pellicle 

Vignetting is 

Ob. curia ion 

Total Transmittance* 

Total Transmittance to IVS 

* For 3404 Type Spectral Response 

(D)-660*WISPECIAL HANDLING 

59% 

86% 

56.8% 

29% 
NRO APPROVED FOR (D) CCCRET SPECIAL HANDLING 

RELikkfakifiabutic 

DEVELOPMENT AND TEST SCHEDULE w145-cisr . 04 

FY 1968 J FY 1969 j FY 1970 1 

CY 1967 CY 1968 CY 1969 CY 1970 

JFIAA0A1 I ASOND1FMAMJJASOND 1 FMAM1 SASONO1FMAMI 1 AS00 

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PROTOTYPE 4 

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PEML NANDU 

k 4\ 
r. .77,rwx.7.7V77,77:c 

P4.A0.1210,tiigo. 

111`( 2015 

• 111,,ii• • 

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• ,;•■■•ft 

CORREIATRON FOCUS COIL DEFLECTION COILS ERASE LIGHT4 

AND BOLDER. lASSEMBLY 

TUBE ELECTRONICS 

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(D)-SECRET SPECIAL HANDLING W4-s-q3c/ 

zo 

(D)-8D SPECIAL HANDLING 

ACQUISITION AND TRACKING SYSTEM 

it4 
SCAN ANGLE REQUIREMENTS 

LATERALLY: + 45° 

LONGITUDINALLY: +70 TO -40° 

(D)-3E eftlff- SPECIAL HANDLING 

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(D) -secter- SPECIAL HANDLING 

ATS REQUIREMENTS 

FUNCTION 

o TARGET ACTIVITY DETECTION 

o ACQUISITION AND TRACKING 

SCAN WITHIN LIMITED AREA 

o BACKUP NAVIGATION 

wks-131 

P. 21 

DESIGN REQUIREMENTS 

3-FOOT RESOLUTION FOR HIGH CONTRAST TARGETS 

o. I° 5 N. M.) FOV FOR INITIAL ACTIVE INDICATOR ACQUISITION 

O 4° (6 N. M.) FOV FOR NAVIGATION AND LIMITED SCAN 
NRO APPROVED FOR 

REL 

(D)-seessur SPECIAL HANDLING 

REFRACTIVE APPROACH 

1A-S - 

Z2- 

PE CHAN 

DER OTATION 

PRISM 

EYEPIECE 

CUE : 

MIRROR ' ZOOM OPTICS 

FIELD GROUP 

APERTURE STOP 

FIRST LOW POWER 

GROUP 

OBJECTIVE 

GROUP 

SECOND LOW 

POW ER GROUP 

FOLDING 

MIRROR 

(D) -"SBeR-Fr-T.• SPECIAL HANDLING 
LOW POWER 

OPTICS 

ZOOM OPTICS 

• PRIMARY MIRROR 1111111■01.1■111•11.1010Mi 

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( (D)-'t SPECIAL HANDLING 

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BURIED CASSEGRAIN APPROACH 

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CASSEGRAIN-REFRACTIVE TELESCOPE COMPARISONS 

10-INCH APERATURE 

w ids-.y3 1 

y). 2.4/ 

EXTERNAL BURIED 

CASSEGRAIN CASSEGRAIN REFRACTIVE 

RESOLUTION FROM 80 N. MI. APERTURE 

2:1 CONTRAST " 4.0 FEET 4.0 FEET 3.6 FEET • 

,OVIRONMENT SPACE LAB 

OBSCURATION AT EXIT PUPIL PARTIAL PARTIAL 

OPTICAL RELAY TO RECON CONSOLE ' YES NO 

,LAB MODULE PENETRATION ' 

CONCLUSION: REFRACTIVE SYSTEM SUPERIOR IN ALL RESPECTS EXCEPT SIZE OF LAB 

MODULE PENETRATION. THIS DISADVANTAGE IS OUT-WEIGHED BY 

LOCATING CRITICAL OPTICAL COMPONENTS IN THE LAB MODULE 

ENVIRONMENT, 

(D)-SEGR-BT• SPECIAL HANDLING 

NONE 

NO 

2 INCHES 10 INCHES 10 INCHES 
o i_c 

(D) 

RELEASE 1 J (VI, 

SPECIAL HANDLING 

.6 7 8 9 10 11 12 13 

500 

450 

400 

ATS TELESCOPE 

RESOLUTION AND POWER VS APERTURE DIAMETER 

EXIT PUPIL: 2MM FIXED 

RANGE: 80 N. MI. (NADIR) 

CONTRAST AT APERTURE: 2:1 

• WEIGHT, LBS 

ClUADRAT 

WAVE FRONT 

IC 

ERROR 

A/2 it. 

A/ 2 

A 14 

IMAGE JITTER, 

PEAK, zo 6CPS 

0. 5 ARC-SECONDS 

1 0 A • SE" 

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.......... 

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WEIGHT (2 INSTRUMENTS 

350 

300 

250 

APERTURE DIAMETER INCHES 

(D)_szoitear- SPECIAL HANDLING 

14 15 

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t-ts, 4 3d 

ATS TELESCOPE CHARACTERISTICS 

OPTICAL PROPERTIES 

10-INCH REFRACTIVE SYSTEM PLUS TRACKING AND FOLDING MIRRORS 

o EYE-PIECE FIELD-OF-VIEW: 60° 

REAL FIELD-OF-VIEW: 2° TO 4° AND 1/2° TO 1° 

MAGNIFICATION: CONTINUOUS ZOOM FROM 15 X TO 30 X AND 63.5 X TO 127 X 

o OPTICAL TRANSMISSION: 33% 

EXIT PUPIL DIAMETER: 2 MM AT 30 X AND 127 X 

4 MM AT 15 X AND 63. 5 X 

o EYE-RELIEF: 0. 4 INCH MINIMUM 

o EYE-RELIEF VARIATION: + . 060 INCH MAXIMUM THROUGHOUT 

MAGNIFICATION RANGES 

0 LOW REFLECTANCE COATINGS ON REFRACTIVE SURFACES 

SCANNER REFLECTIVE SURFAGCS: CER-VIT 

OPTICAL TOLERANCES 

REFRACTIVE SURFACES: + A/10 

o REFLECTIVE SURFACES: 4 a/20 

o QUADRATIC WAVE FRONT ERROR: + A/4 

(D) SPECIAL HANDLING 
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A 

(D) -Stoeit216SPECIAL HANDLING 

ATS TELESCOPE CHARACTERISTICS (CONT'D) 

MISCELLANEOUS OPTICAL CHARACTERISTICS 

o FOCUS RANGE: -2.5 TO +3 DIOPTERS 

o FLIP MIRROR TO DISPLAY CUES IN EYE-PIECE 

o DISPLAY AT PERIPHERY OF EYE-PIECE FOR DECISION-TIME, 

TARGET PRIORITY A : t

RETICLE: SINGLE CIRCLE TO SHOW FOV AT MAXIMUM ZOOM SETTING, t 

OPEN CROSS-HAIRS 

FILTERS: FOUR COLOR OR NEUTRAL DENSITY INSERTABLE FILTERS 

IMAGE DEROTATION: PECHAN PRISM 

o BLANKING SHUTTER AND SUN SENSORS TO PROTECT AGAINST SOLAR 

IMPINGEMENT 

SERVO CHARACTERISTICS 

o POINTING ACCURACY: + 8 ARC-MINUTES 

o JITTER: 0.5 ARC-SECONDS (PEAK-TO-PEAK, 7.6 CPS) 

INSTRUMENT WEIGHT: 344 POUNDS (2 INSTRUMENTS) 

TOTAL INSTALLATION: 485 POUNDS 

(D) SPECIAL HANDLING 
SPEQIAL HANDLING 

SECRET 

(D) 

SECRET. 

SPECIAL HANDLING 

NRO APPROVED FOR 4 

RELEASE 1 JULY 2015 • 

„.. 

r4d APPROVED FOR I 

RELEASE 1 JULY 2015 

9300 - 70-63 

c or 0.2,. 

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ATS DEVELOPMENT SCHEDULE 

AVE 

START PHASE U ENGINEERING 

BREADBOARD TESTING 

OPTICAL SYSTEMS 

EYE-PIECE MODEL 

ENGINEERING MODEL 

QUAL TEST UNIT 

FIRST FLIGHT UNIT 

DESIGN REVIEWS 

PRELIMINARY 

CRITICAL 

QUAL TESTING 

SIMULATION (GE) 

ELEMENTAL DEVELOPMENT SIMULATOR 

(EDS) TESTING 

MISSION DEVELOPMENT SIMULATOR 

(MDS)-DESIGN . It DEVELOPMENT 

MDS FABRICATION It TESTING 

CONVERT EDS TO MDS 

MDS OPS WITH SIMULATED ATS 

CY 1967 CI 1968 CY 1968 

NIMI1AS0NDUCCEMJASONO1FUAM) JASONO 

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