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Time-synchronized VLF phase-tracking receiverCoded signals transmitted at very low frequencies by National Bureau of Standards via its radio facility WWVL contain both primary time and frequency information. Synchronization of local time with WWVL signal standard requires comparison of phase differences between transmitted signal and output of traveling atomic clock such as rubidium frequency standard.
Document ID
19730000275
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Ward, S. C.
Date Acquired
August 7, 2013
Publication Date
June 1, 1973
Subject Category
Electronic Systems
Report/Patent Number
NPO-11600
Accession Number
73B10275
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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