218 XLi Time & Frequency System
XLi-man, Issue 8, 6/17/2008, Rev. H
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The Time Figure of Merit TFOM denotes the time quality of the incoming Have Quick code. The input
reads the integer assuming all bits high (indicating no information), or an integer from 0-8 (indicating time
error 1 nS - 10 mS), either case no fault is reported. When set to an integer value of 9 (indicating time
error of 10mS or fault) the Have Quick time and frequency reference reads the code unlocks.
Refer to ICD-GPS-060 Rev A section 4.4.5 for the Have Quick interface requirements.
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