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A minimal system could be nothing more than OTDAU software running on a local
computer and using a USB webcam on a window sill.
The most complex installations may utilize a combination of up to six OTDAUs with a
total of up to 12 cameras and six MSDAUs. The six units may be widely separated with
OTDAU computers remote from their associated cameras and an MC at yet another
remote site. The internet connections that tie all of these elements together may involve
local or WiFi-connected routers and possibly a dedicated server.
This guide shows how to implement a UFODAS system for any combination of the
above selections.