UNCLASSIFIED SECURITY CLASSIFICATION OF THIS PAGE (When Dare Entorew REPORT DOCUMENTATION PAGE BERRA INSTRUCTIONS ’ REPORT READ INSTR 2. GOVT ACCESSION NO] 3. RECIPIENTS CATALOG NUMBER WT-930 (EX) 3. TITLE (ane Bubtitie) 8. TYPE OF REPORT @ PEMOD COVERED OPERATION CASTLE, PROJECT 7.1, ELECTROMAGNETIC RADIATION CALIBRATION 6. PERFORMING ORG. REPORT NUMBER 7. auTHome) 6. WT-930 (EX) CONTRACT OR GRANT wUMBE Re) M. H. Olseon 9. PERFORMING ORGANIZATION NAME ANO ACORESS : 10. PROGRAM ELEMENT. PROJECT, TASK AREA 6 WORK UNIT NUMBERS Headquarters, USAF Office for Atomic Energy, DCS/0 - AFOAT-1 Washington, DB. C. 1t. COMTROLLING OFFICE NAME AND AOORESS 12. Headquarters Field Command Armed Forces Special Weapons Project Sandia Base, Albuquerque, New Mexico Ya. REPORT DATE June 13, 1958 13. NUMBER OF PAGES MONITORING AGENCY NAME @ ACORESS(if drfferent from Controlling Oftice) 18. SECURITY CLASS. (ef thie tepert) UNCLASSIFIED Se. 16. OECL ASSIFICATION/ DOWNGRA scntoure N/ DOWNGRADING OCISTRIBUTION STATEMENT (of thts Report) Approved for public release; unlimited distribution. 17. 16. 8. OISTRIBUTION STATEMENT (of the ebatract entered in Block 20, If difterent from Report) SUPPLEMENTARY NOTES This report has had the classified information removed and has been republished in unclassified form for public release. This work was performed by Kaman Tempo under contract DNA001-83-C-0286 with the close cooperation of the Classification Management Division.of the Defense Nuclear Agency. KEY WORDS (Continue on reverse side if necessary and identify by biock number! Operation CASTLE Electromagnetic Radiation Calibration Instrumentation 20. ABSTRACT (Continue on reverse side if necessary end identify by block number) A total of 17 stations, one close-in (320 km from Bikini and 23 km from Eniewtok) and the balance at distances, were operated for the AFOAT-1 electromagnetic experimental effort. Seventy-four sets of data were obtained from a possible total of 102. Of the remaining 28 sets, no data were obtained because equipment was not in operation, records were not readable, the alert notifications were not received, signals were not discernible, or equipment malfunctioned. DD 520%, 1473 coition oF 1 wov 6815 omsoLete UNCLASSIFIED SECURITY CLASSIFICATION OF THIS PAGE (Phen Data Entered)

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