CONTENTS ELECTROMAGNETIC RADIATION CALIBRATION ....c.ccesevcccscees seve cccvee 11 Objectives ...... eee ee eeee cece e ee ceee ceaceee anc ere cencesececes il Background eoeoeoneteeweoeos eee setenv e vn eeereeeoeoesteansceraseest tee eoveaveeeeneosne 8 ee ll INSTRUMENTATION ..........000- eeeeee Cae a eee cece coe eaeeseecee sessoee World-wide Timing eetoeaeaeoecevaesceaeseeoseeeseseeoeevneneenaeeaseeaeeeosve eCneeaseeotve 12 Local Timing .cccccccccccvccccccccccccsscccescscccscseceseseceeess Lt National Bureau of Distant OPERATIONS Co ceeeeerererevecccs 15 e@eeentreoeseanee eos eeeeoesseeeeetesvneereeevneasteeeoeeeeaeeeeoneos 15 eeoeoeoeevnaeesraeeoeseeeea eee eeoevn eee eeoeeeeoeeeneeosaeeeoeesnseeeeneeeeoees 16 Stations Equipment Standards Close=-in Station eseoeeeeneeeeeoeoeCeosevoeoae eee Gee eeoeeeeea see aeee ee eoaesCeaeetanveenee 16 Station Locations ...cceccccscccscccccccccccccvccsccccsccesessees LO Special Measurements ..crccsscccccccvcccccccscssccvccccesesecvecs LO Alert Notifications ce reeoeeeccoe ce rerreereerececorcrrorereoreees 16 Low-frequency Interference .....ccccvescescecscvccasscccsecessess LG RESULTS AND Teller Field OBSERVATIONS Light © eeeeeo oa eet eeoeeeoeeseaeseeeeseeeeseeteataaeeete 18 eeoeseeoeweeevseeceaeesaeeeseseoesveaoeve ees eeeeveeeeeaneeateeeeasee 18 COOH CSO REHEAT ESCH EET EEE ERO EEO SELENE 18 Records SPeeeseoeoscee eet vneaeseeeoseteeeeeeeSeeaeestoveseetaneeaeaeeeeeoeeeneeese ee 22 Fourier Analyses 25 Yield Strenghts and Predominant Narrow-Band Peripheral Records Lighting Low-Frequency CONCLUSIONS REFERENCES eee eeCeoseeeeeaeeeeseeeCeeeeeneeseseoeneseseaeseeeeeoeneeoeee AND SCS C OHS FCHEEHEHHOHES EHH HESCHEHHE BE OEE 33 CHES HCOHEHEEHESHEHTSHEHEHEHHREHEHEHEHEHEEHEHTOEHEHEHHE HEHEHE Frequency 33 Flashes Transmitters eeeeeee#eosteoseaneeeoeoeeaeeeeseeteesever 33 PCR OSHS HEOSECOSCFC OCHO OCHESR HHSC O HEBERT OCB OHHH OHO RE 33 RECOMMENDATIONS Pees eeoeoeoseeaeereoesvseeevoeeeeeoeoeeceaoseeeeaeve 39 SCCSHCHEHHOHSSHSE EFS EHO HH SCHEHHTEHE HSH OHHH EHC HEEHEHC CHEECH OSH HEHEHE EHE 40 ‘ TABLES 1 Summary of Castle Results ..ccccccccccccccvccevccssesecsesecee LF FIGURES l 2 Timing traces recorded by NBS at Parry Island, Eniwetok Atoll. 13 Typical NBS narrow-band field strenght traces, with a timing trace recorded on a multi-beam oscillosope at a distant location CHOPS HE SHES HEHEHT HE SHEL HSHSHSHHCHEHEHEHHH EHTS HOESHEHHSHHEHSESHHHHE EH HOHSE B 9 nNOt

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