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Timer Calibrations Stopwatch and - NIST

Stopwatch andTimer CalibrationsJeff C. GustRobert M. GrahamMichael A. LombardiMay 2004960-12 SpecialPublication960-12iDEPARTMENTOFCOM MERCEUNITEDSTATESOFAMERICANIST Recommended Practice GuideSpecial Publication 960-12 Stopwatch andTimer CalibrationsJeff C. GustQuametec CorporationRobert M. GrahamSandia National LaboratoriesMichael A. LombardiNational Institute of Standards and TechnologyPhysics LaboratoryMay Department of CommerceDonald L. Evans, SecretaryTechnology AdministrationPhillip J. Bond, Under Secretary for TechnologyNational Institute of Standards and TechnologyArden L. Bement, Jr., Directorii Stopwatch and Timer CalibrationsCertain commercial entities, equipment, or materials may be identified inthis document in order to describe an experimental procedure or conceptadequately.

It assists the working metrologist or calibration technician by describing the ... Figure 10. Portable shortwave radio receiver for reception of ... The standard unit of time interval is the second (s). Seconds can be accumulated to form longer …

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