[LEAPSECS] timekeeping requirements

[Rob Seaman]

Something different to discuss regarding real-world timekeeping  
requirements.  - Rob
--


Al-Chaahad: new concept for young moon sighting verification

Paper 7017-49
Author(s): Mohamed Laoucet Ayari, Univ. of Colorado/Boulder
Hide Abstract
With an estimated two billion people worldwide dependent upon new moon  
sightings to establish the timeline of lunar months and festivals,  
there has long remained controversy regarding the verification of  
naked eye visibility of the new moon. At no time in history have the  
technological pieces so readily aligned to solve this problem as the  
present. Al-Chaahad is a system which provides the first serious  
opportunity to unify new moon sightings, and consolidate the sighting  
process in a verifiable and reliable framework. Over the past 30  
months, field tests have assisted in the development of a scalable  
system that enables anyone located anywhere in the world to utilize  
the combined power of proven technologies including elements of  
orbital mechanics, imaging, global positioning system, atomic clock  
reading, secure communication and image processing to document  
sightings.


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