NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: William Hawes
Date: 2013 Jul 29, 09:30 -0700
Anyone got any idea why the Celestaire download is so large?
The NGA (National Geospatial-Intelligence Agency) 249 Vol 1 Epoch 2010 at
http://msi.nga.mil/NGAPortal/MSI.portal?_nfpb=true&_pageLabel=msi_portal_page_62&pubCode=0012
is 351 pages and its size is 4.97 MB.
The Celestaire 249 Vol 1 Epoch 2015 at
http://www.celestaire.com/Pub-249/View-category.html
is 353 pages but is over 34 times larger at 171.29 MB.
Quality of both documents seems to be about the same. How come the Celestaire document is so large?
(wmh)
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