The ECS Data Handling System (EDHS) is the online distribution, storage, and retrieval system for documents and information about the EOSDIS (Earth Observing System Data and Information System) Core System (ECS). You can perform a quicksearch which searches for document numbers, titles, or keywords or a full text search. Topics covered include EOSDIS Product Use Survey, ECS COTS Procurement Information, ECS Reviews, Facility Maps, EDHS How To's, and more.