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Mac Grayliner displays a map of the entire Earth, showing day, night, andmore importantly, the terminator between day and night. Studies have shownthat enhanced radio propagation occurs between two points which are both on theday/night terminator.

What's New

Version 2.2 offers an improved map, indicates the positionof the sun, and automatically quits when the computer is shutdown.


System 7.0 or later

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3 0


Current Version (2.x)


Downloads 2,751
Version Downloads 1,431
License Shareware
Date 02 Sep 2000
Platform OS Classic / PPC 32
Price Free