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ummm Lee, I just realised you may want it for timing iridium flares and other satelites - you will definitely need to auto update once a week for those to be even near up to date (to allow for the affects of drag on the crafts) I remember sattelite timings being mentioned often as an issue with sn on that yahoo list in the past- but they may have been the old 4.5 and unders only - not sure - cant remember. They all still seemed to just use heavans above and those type of sites for accurate positions and times... disclaimer: as usual i could be wrong? I have never tried to see if they were accurate or not.
Kearn
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