' Li

DireoVEIPLe RE-EARC/1

SUBSATELLITE

Declassified arid Billowed by the N R 0

^ AiXOrdEI0C6 Ott F 1458

.-____NU\L 2 1g91
UNLIASSIHEO

DISCOVERER RESEARCH PROGRAM

taLLITE n COPACTERISTIC5

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UNUASSIFIED
UNCLASSIFIED

DISCOVERER RESEARCH PROGRAM

SUBSATELLITE

TO PROVIDE A VEHICLE

I. CAPABLE OF INCREASED ORBIT RANGES WITH EXTENDED ACTIVE LIFE TO C ARRY A WIDE (2 TO 6 MO VARIETY OF RESEARC LATHS) EXPERIMENTS H

SUBSATELLITE CONFIGURED TO FIT ON RACK, AGENA ID AFT

THE SUBSATELLITE PROPULSION UNIT MAY BE VARIED

TO ACHIEVE DIFFERENT ORBITS. BASIC STRUCTURE AND ELECTRONIC EQUIPMENT 

SE g-.) EL TO ACCOMMODATE RESEARCH EXPERIMENTS

ECTRIC POWER MAY BE BATTERIES AND/OR SOLAR CELLS.

UNCLASSIFIED
UNCLASSIFIED

DISCOVERER RESEARCH 

S. PROGRAM_ Z... — 4 — a. AL

SU BSATELL I TE PETA I LS

Pr BASIC EQUIPMENT

AVAILABLE SPACE FOR

R ESEARCH EXPERIMENTS •TE 316 ROCKET o 2000 NM APOGEE

FO 22S L )

o PAYLOAD 'SENSOR

VOLUME. = 3000 CU IN

ALTERNATE CONFIGURATION O TE 344 ROCKET

0 200 NM CIRCULARIZED

ORBIT

0 PAYLOAD SENSOR

VOLUME 3750 CU IN

UNCLASSIFIED
4 .3 -

UNCLASSIFIED

UNCLASSIFIED

DISCOVERER RESEARCH PROGRAM

LAU NCHING OF SUB-S4TELL1TE

orJr; _,ATELLIT:

LAUNCH PACK

ANTENNA

STOWED POSITION

.SOLAR CELLS

RESLARCH IN5TRUN1ENTS

ONE OF TWO SPIN NOZZLES
4600

4400

4200

4000

3800

3600

3400

3200

3000

2800

2600

2.400

2200

2000

1800

130

11,...,1 *AR

\/5 5 P

vAGENA

UNCLASSIFIED

DISCOVERER RESEARCH PROGRAM

SUBSATELLITE WT VS APOGEE

oc:. ,tip ,C

160 170 180 190 200 210 

TOTAL SU BSATELL 1TE WT. 

220 230 240 250 260 270 280 LE'S

UNCLASSIFIED
UNCLASSIFIED

61i6OVER:ER RES,EARCH PROGRA

SUBSATELLITE EQUIPMENT VVEIGHT SUMMARY

DESCRIPTION!

BASIC VEHICLE

STRUCTURE

SPIN! SYSTEM I 2 0

BATTERY CHARGER 3.0

9 SOLAR CELL ASSEMBLY

1 5 

0

ANTENNA COUPLER .0

TuMER 4 5

COt,1, 1 1. ,1 AND SQUIB PROGRAMMERS CO,%1n ,',1 “.JTATOR`3 (2 P EQu 3.0

TIA n ) NSMITTERS (:)) 3.2

• 44,-)i) A MPL 'FIER 2.0

VCO (4 REQUIRED)

TRAY ASSEMBLY 1.2

DC-DC CO"I'VERTER .4

COMMAND R 1 ECEIVER / D'ECODER TAPE RECORDERS 4.00

CCELE.R 0VETER ;3.0

CONNECTORS R 6

BOOST POCKET

777-77 INCL HEATER BLANKET 74 (1,7Z

AGENTA PF,17741-E,--sTZ L; R Mf31 1 CAL A^0 1ET I SV1ITC

TOTAL SYSTEM WEIGHT

UNCLASSIFIED

727 86 0
UNCLASSIFIED

UNCLASSIFIED

DISCOVERER RESEARCH PROGRAM

2500 NM - SUBSAT ELL ITE POWER SUMMARY

DESCRIPT)04

COMMAND RECEIVER

TAPE RECORDER

T /tA TPA NJSM rrTER

DC -DC CONVER--ER

mOD AMPS! PIER

VCO (4 UNITS)

(6- ,".^A

COMMUTATOR (2 UNITS)

?;.' I w

TIME REFERENCE C,Ej, ERATOR C OM MAND E SQUIB PP.9GRAMER RESEARCH !

TIMER

* OPERATIONAL DUTY CYCLE BASED . E

LL PE R ORBI T,

AVERAGE POWER OP 15 WATTS- FC_ P? -, C)LA k C ELL AN D A 1.75 AMP NI - CAD BATTED It> * F---c)1_LL)VV tp IT -I -7,\10‘. 2 k -

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UNCLASSIFIED

DISCOVERER RESEARCH PROGRAM

SUB-SATELLITE COMMAND LINK CALCULATION

G:.:

TPANSUIS)SION SYSTEM

R POWER 1000 WATTS

ANTENNA GAIN

RANGE 5000 N 1,./1 (SLANT RANGE)

RE LEIONC.; b`r

RErE1' 3 E_R SEt,.S171\i'MT.

FADE LOSS

POLARIZATION

TOTALS

UNCLASSIFIED
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PECH, L7,c; "P‘c

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UNCLASSIFIED

DISCOVERER RESEARCH PROGRAM

SATELLITE El Ft; E / Li p ,/ J.L.(

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At!TENt„L

5c-'00 NEVI(5LAIIT 6)

UNCLASSIFIED

•
UNCLASSIFIED

DISCOVERER RESEARCH PROGRAM

200 N M I "-- SUBSATELLITE 

G RD ,

TELEMETER SYSTEM

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UNCLASSIFIED
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RING

0 3 . 60 COMMUTATOR

TR ACK 4 I -7 VC 0

RING "2 TAPE RECORDER CHANNEL IS

200 MIN REC.

17 MIN RE1PROD VCO 12 I RATIO 7 CHANNEL 12

RING*1

0 1 A EO COMMUTATOR

RINO*2

TRACK 112

VCO

CANNEL 6

4.-0-

VHF--

TRANSMITTER

2 WATT

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RESEARCH

INSTRUMENTATION I

CONTROLS -4

STATUS

INFO

UNCLASSIFIED

DISCOVERER RESEARCH PROGRAM

2500 N M SUBSATELLITE SYSTEM

TIME J TELEMETER SYSTEM -1/1',JNEL 7

---- REFERENCE

GENERATOR -

POWER

PROORAMMER.

CONTROL. BOX

ANTENNA

COUPLER ANTENNA

1

SOLAR BATTERY POWER.

(SOLAR CELLS) CHARGER...

5Y5TEM

COMMAND, COMMAND

DECODER RECEIVER

UNCLASSIFIED
UNCLASSIFIED

DISCOVERER RESEARCH PROGRAM

SUBSATELLITE TRACKING

"SPADATS" FOR PRIMARY EPHEMERIS DATA

DELETES NEED FOR TRACKING BEACON

MUCH MORE ACCURATE RELIABLE THAN ANGLES ONLY

SATELLITE TEST CENTER GENERATES 

0 ACQUISITION M

ACQUISITION MESSAGES

TRACKING STATIONS ESSAGES TO HAWAII 4 VA NDENBERG, NTS

HAWAII VANDENBERG FOR COMMAND 

READOUT TELEMETRY DATA

•) NO ADDITIONAL MAJOR C 4C. EQUIPMENTS REQUIRED NO ADDITIONAL COMMAND OR READOUT STATIONS REQUIRED

NEW BOSTON TRACKING STATION USED IN SUPPORT OF FOR 200 N MI. CIRCULAR ORBIT ABOVE

4

UNCLASSIFIED
0

310,000

0

_ _GFE

$ 310,000

70°- 105°

225 LBS

2 - 6 MONTHS

UNCLASSIFIED

DISCOVERER RESEARCH PROGRAM

SU BSATELLITE COST PERFORMANCE COMPARISON

DESCRIPTIONBLUE DISCOVERER RESEARCH SCOUT SUBSATELLITE

$ 85-5,000

310,000

GFE

GFE

$ 1,165,000 —

70`-105°

160 LBS

1 MONTH

0 COST

O BOOSTER GUIDANCE

o SATELLITE VEHICLE

(INCL. PAYLOAD INTEGRATION,

TELEMETRY, BATTERIES)

LAUNCH

TRACKING

TOTAL COST EACH FLIGHT

PER FORMANCE (300 NM CIRCULAR ORBIT)

o I NCLINATION ANGLE

0 ORBITING WEIGHT

0 VEHICLE ACTIVE LIFE

COST PER L13 IN ORBIT $7,300 $ 1,380

UNCLASSIFIED
UNCLASSIFIED

DISCOVERER RESEARCH PROGRAM

SUBSATELLITE SYSTEM RELIABILITY

ROCKET MOTOR $ SPIN SYSTEM 0.990

LAUNCHER MECHANISM 0.999

COMMAND SYSTEM 0. 971

TELEMETRY SYSTEM 0.940

POWER SYSTEM 0.942

OVERALL SYSTEM 0. 850

UNCLASSIFIED
' 1 - •

I 6

I-'

-

UNCLASSIFIED

DRP SUBSATELLITE PROGRAM SCHEDULE

MONTHS

•

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CWT.

PASSES

UNCLASSIFIED

DISCOVERER RESEARCH PROGRAM

SUBSATELLITE APOGEE ROTATION

DAst'i sV.1tfrsl-

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UNCLASSIFIED
UNCLASSIFIED

DISCOVERER RESEARCH PROGRAM

SUBSATELLITE APOGEE ROTATION Vs ELAPSED TIME

t1J "Da

(..)

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140-

10'

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old

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440-

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APOGEE 2500N.M.

0 20- a.

20 36 , I

40 5b 60 70 80 90 ELAPSED TIME IN DAYS

UNCLASSIFIED
VA/CLASS/TIED

DISCOVERER RESEARCH SUBSATELLITE

DESCRIPTION

COMMAND .,i'STEM

RECEIVER

DECODER

TELEMETRY SYSTEM

SYSTEM RELIABILITY

(4)

DuTY C YCL (I)

LIFE ( PE E

F-.'111 rif (FER':E.N7) Pk-OfiABiLiT'Y OF SuRv rvA L

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PELIABILITY

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LIFE TEST ON SIMILAR EQUIPMENT 

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