Document Details


Title:
OPERATION SUN BEAM, SHOT SMALL BOY PROJECT OFFICER'S REPORT-PROJECT 7.12 NUCLEAR EFFECTS ON TELEVISION CAMERA INSTALLATIONS ( 4-26-63 ) (DELETED)
Author(s):
STIRLING, H J [DEFENSE COMMUNICATION AGENCY]; NELSON, C H [UNITED STATES ARMY - DEPARTMENT OF]; BRIZIUS, C
Subject Terms:
DOMINIC II OPERATION; SMALL BOY EVENT; COMMUNICATIONS; BLAST EFFECTS; PHOTOGRAPHS; EQUIPMENT
Document Location:
Location - NNSA/NSO Nuclear Testing Archive Address - P.O. Box 98521 City - Las Vegas State - NV Zip - 89193-8521 Phone - (702)794-5106 Fax - (702)862-4240 Email - CIC@NV.DOE.GOV
Document Type:
REPORT
Publication Date:
1985 Sep 01
Declassification Status:
Sanitized
Document Pages:
0044
Accession Number:
NV0051086
Document Number(s):
POR2248EX
OpenNet Entry Date:
1994 Aug 26
Description/Abstract:
THE OBJECTIVES OF THESE TESTS WERE TO DETERMINE (1) THE BLAST AND SHOC K EFFECTS FOR TWO OVERPRESSURE AREAS ON EXPLOSION-PROOF TELEVISION PAN -AND-TILT MECHANISMS, THE CAMERAS CONTAINED THEREIN, AND SPECIAL SHUTT ER MECHANISMS; (2) THE EFFECTS OF VARYING AMOUNTS OF RADIATION ON THE RADIATION-SENSITIVE COMPONENTS OF A SPECIAL SHUTTER MECHANISM AND CIRC UITRY OF A TELEVISION CAMERA; AND (3) THE EFFECTIVENESS OF A SPECIAL S HUTTER MECHANISM DESIGNED TO PROTECT THE VIDICON TUBE OF A TELEVISION CAMERA AGAINST EXCESSIVE LIGHT DAMAGE AND TO MAKE A MOTION PICTURE REC ORD OF THE SHOT AS VIEWED ON A TELEVISION MONITOR. IT WAS FOUND THAT T HE SEMICONDUCTORS USED IN THE ELECTRONIC CIRCUITRY WERE AFFECTED TO SO ME DEGREE BY NUCLEAR RADIATION. IN GENERAL, THE TRANSISTORS SHOWED SIG NIFICANT REDUCTIONS SOME DEGREE BY NUCLEAR RADIATION. IN GENERAL, THE TRANSISTORS SHOWED SIGNIFICANT REDUCTIONS IN CURRENT GAIN AND THE DIOD ES SHOWED INCREASED FORWARD DROP; THE ZENER DIODES WHICH WERE ALSO EXP OSED WERE AFFECTED VERY LITTLE BY THE NUCLEAR RADIATION. TWO TYPES OF STATE-OF-THE-ART TELEVISION CAMERA PROTECTIVE HOUSINGS HA VE BEEN DESIGNED TO WITHSTAND LIMITED BLAST ENVIRONMENTS; SHUTTER DEVI CES HAVE BEEN DESIGNED FOR THE PROTECTION OF THE VIDICON TUBES OF THE TLEVISION CAMERAS AGAINST EXCESSIVE LIGHT DAMAGE. THE OBJECTIVES OF T HIS TEST WERE TO EXPOSE THE TELEVISION CAMERA PROTECTIVE HOUSINGS AND TELEVISION CAMERAS CONTAINED THEREIN TO ENVIRONMENTS OF POUND PER SQUA RE INCH, AND EXCESSIVE NEUTRON, GAMMA AND THERMAL RADIATIONS; RADIATIO NS; TO TEST THE VIDICON TUBE PROTECTIVE SHUTTER EXPOSED TO EXCESSIVE L IGHT, WHILE NOT EXPOSED TO OTHER NUCLEAR EFFECTS; TO MAKE A MOTION-PIC TURE RECORD OF THE SHOT AS VIEWED ON A TELEVISION MONITOR; AND TO DETE RMINE THE EFFECTS OF VARYING AMOUNTS OF RADIATION ON THE RADIATION-SEN SITIVE COMPONENTS OF THE PROTECTIVE SHUTTER MECHANISM AND CIRCUITRY OF THE TELEVISION CAMERAS. THE INSTRUMENTATION FOR THE TEST CONSISTED OF TWO UNMANNED STATIONS, 550 AND 820 FEET FROM GZ AND A MANNED STATION 8 ,000 FEET FROM GZ. THE PROTECTIVE CAMERA HOUSINGS AT THE TWO UNMANNED STATIONS SUSTAINED SEVERE MECHANICAL DAMAGE; HOWEVER, THE SPECIAL SHUT TER DEVICES IN THESE TWO INSTALLATIONS SERVED THEIR PURPOSE AND NO DAM AGE TO THE VIDICON TUBES WAS DETECTED, THE TELEVISION SYSTEM AT THE MA NED STATION FUNCTIONED WELL DURING THE EVENT, AND A COMPLETE RECORD OF THE SHOT WAS RECORDED ON MOTION PICTURE FILM.


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