Category: Macintosh / HomeEducation

License: Shareware$15.00 to purchase

Limitations :

OS: Classic

Size: 0.43 MB (441,983 bytes)

Introduction: Mac GrayLiner displays a map of the entire Earth, showing days, nights, and more importantly, the terminator between day and night.Studies have shown that enhanced radio propagation occurs between two points, both of which are on the day/night terminator.