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Dual frequency (20.0-19.9 kHz) VLF dataData are presented from 24 months of operation of radio station WWVL. Daily measurements of the 20.0 kHz and 20.0/19.9 kHz signal phase angles corrected in accordance with the NBS measurements are presented in tabular form. The 20.0/19.9 kHz data is a function of the phase angle of the 100 Hz information inherent in the 20.0/19.9 transmissions. This data can be used to resolve the 50 microsecond ambiguity inherent in 20.0 kHz single frequency transmissions.
Document ID
19720004435
Acquisition Source
Legacy CDMS
Document Type
Preprint (Draft being sent to journal)
Authors
Looney, C. H. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
September 2, 2013
Publication Date
June 1, 1968
Subject Category
Communications
Report/Patent Number
X-540-68-220
NASA-TM-X-65755
Report Number: X-540-68-220
Report Number: NASA-TM-X-65755
Accession Number
72N12084
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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