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All Articles With Tag: Math

E-Book Section Chapter 4: Fade Margin and Rain Fade

Author: Herbert Wolverson, Posted: Tuesday, 04-14-15

“Rain fade” is a particularly common phenomenon, and needs to be accounted for in link calculations. Droplets of water in the air can attenuate signal, to differing degrees depending upon frequency. The lower frequencies such as 900 mhz and 2.4 ghz barely see a change for rain. 5.8 ghz sees a minimal change. Higher frequencies such as 24 ghz can easily be reduced to worthless by a torrential downpour.

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E-Book Fade Margin Fundamentals ITU Math Rain Fade Rain Zones Wireless Internet Service Provider WISP


E-Book Section Chapter 3: Path Loss and Free-Space Path Loss (FSPL)

Author: Herbert Wolverson, Posted: Tuesday, 04-14-15

This chapter discusses two topics that will come up time and again while planning your WISP: path loss (how far can my signal go?), and link budget (what devices can I use for this link?).

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Distance E-Book Free Space Path Loss Frequency FSPL Fundamentals Inverse Square Law Math Path Loss Wireless Internet Service Provider WISP