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Declassified record · U.S. Department of Energy

TWX to K Fields, Et Al, Subject: Satisfactory Results Obtained from Event 10, Gun, Detonated 25 May Over Frenchman Flat Target (Grable Event, Upshot/Knothole Operation) (Deleted)

Dated
May 26, 1953
Document type
Correspondence
Length
2 pages
Open the original scanArchive record OSTI ID 16182096 · public domain

Document text

Machine-read from the scan, so expect some errors. Lines that couldn’t be read are left out.

Page 1

OFFICE OF THE TEST DIRECTOR DIVISION OF MILITARY APPLICATION INTO COPIES TO» G 326 US ATOMIC ENERGY oldter SHOT ^ IQ LOS ALAMOS SCIENTIFIC LAB LOS ALAMOS, NETT MEXICO U.S. ATOMIC EKEROI COMMISSION ALBUQUERQUE, NEF MEXICO 52ND FIELD ARTILLERY GROUP FORT SILL, OKLAHOMA PRIORITY PAREN PAREN PD TO BRIO GEN KENNETH FIELDS CMA DIVISION OF MILITARY APPLICATION CMCLN INFO COPIES TO NORRIS BRADBURY AND AL GRAVES CKA LOS ALAMOS SCIENTIFIC LABORATORY SMCLN INFO TO CARROLL TILER CMA ATOMIC ENERGY COmSSION CMA ALBUQUERQUE SMBLN INFO TO COL DEVERE ARMSTRONG CMA ?2KD FIELD ARTILLERY SHOT TEN CMA GUN CMA OF CURRENT SERIES DETOJvATEITTTO FIVE KAY AT ZERO EIGHT THREE ZERO HOURS POINT THREE THREE TTO SECONDS PACIFIC DAYLIGHT TIME OVER FRENCHMAN FLAT TARGET \{>/ THIGH FAS SAME AS THAT USED FOR SHOT EIGHT CMA EFFECTS SHOT PD PROJECTILE FAS LAUNCHED FROM THE TWO EICSTT ZERO MILLIMETER GUN LOCATED ONE NINE POINT TWO DECREES TEST OF SOUTH AND ONE ZERO NINE FIVE SIX YARDS FROM TARGET PD THE TIME OF FLIGHT WAS POINT TOO FIVE SECONDS LESS THAR FUSE SETTING THIGH FAS ONE EIGHT POINT NINE SECONDS PD BURST POSITION TTTH RESPECT TO PREDICTED (BOUND ZERO FAS SOUTH by authority of doe/oc teg COCLMENT CONSISTS 0F__^_PAGE(S)

Page 2

ONE THREE NINE PLUS OR JfINUS FIFTEEN FEET CKA TEST EIGHT SIX PLUS OR UimiS FIFTEEN FEET CKA HEIGHT FIVE TWO FOUR PLUS OR MINUS TEN FEET PD CIRCULAR ERROR WAS ONE SIX FOUR FEET PD REPORTS FROM ALL EXPERIMENTAL GROUPS IN TEST ORGANIZATION INDICATE VERT SATISFACTORT RESULTS WERE OBTAINED PD PRELIMINAKT MEASUREMENTS ARE AS FOLLOWS COLON YIELD HI RAPATRONIC CAMERAS FIFTEEN POINT SEVEN K3LOTON ALTHOUGH BHANGMETER READINGS ^ CLOUD HEIGHT WAS THREE FOUR EIGHT EERO ZERO FEET PD AT THREE FIVE ZERO ZERO ZERO FEET WITOS WERE ONE TWO ZERO KNOTS AT TWO TWO^j DEGREES TSICH CARRIED CLOUD RAPIDLY OVER SALT LAKE CITY AND NORTH TO CANADIAN BORDER WHERE IT MOVED EAST AND SOUTH THEREAFTER PD TWENTY FOUR HOURS AFTER DETONATION THREE ZERO ZERO ZERO ZERO rCCE FOOT CLOUD WAS OVER NORTHEASTERN STATES WHERE RAIN MAY CAUSE FALLOUT AND ONE ZERO ZERO ZERO FOOT. CLOUD WAS OVER OREGON PD HIGHEST FALLOUT REPORTED TO DATE WAS SEVEN yILLIROENTGENS AT LINCOLN MINE PD NO FALLOUT WHATEVER REPORTED AT SALT LAKE CITY PD GROUND LEVELS AT HOW PLUS ONE HOUR WERE ESTIMATED ONE FIVE ZERO ROENTGENS AT GROUND ZERO WITH TEN ROENTGEN LINE AT FIVE ZERO ZERO YARDS FROM GROUND ZERO PD END OF MESSAGE