
The files are posted by Julian Day (1 January = JD 001). Files are posted no more than 3 days in advance of the effective date. Files are ASCII text.
* Day 366 only valid during Leap Years (ex. 2012, 2016).
Revised: Daily
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Mailing Address: NSOF (E/SPO53) 1315 East-West Hwy Silver Spring, MD 20910-3282 USA |