Downloading Mac Grayliner 2.2 from our website was free. The actual developer of this Mac application is Black Cat Systems. Our built-in antivirus checked this Mac download and rated it as 100% safe. The program lies within Education Tools, more precisely General.
From the developer:
Mac Grayliner displays a map of the entire Earth, showing day, night, and more importantly, the terminator between day and night. Studies have shown that enhanced radio propagation occurs between two points which are both on the day/night terminator.
You may want to check out more software for Mac, such as RUMped, which might be related to Mac Grayliner.
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