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Old 21-Jun-2014, 4:23 AM   #1
nematoad
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Join Date: Jun 2014
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The Friis Equation & TV Fool

Hi
I want a closed form equation to calculate the recieved power from a transmitter 54 miles away on top of a mountain. And I want to do it using an equation. Does the TV fool use the Friis equation or does it use something else? Can anyone give me the equation? Or is there a Matlab model that it uses? I need this for some EE graduate school work that I am doing.

Mike

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Old 23-Jun-2014, 11:46 AM   #2
ADTech
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Posts: 2,746
TVFool (and others) use the Longley Rice Irregular Terrain Model for calculating signal propagation.

See http://www.its.bldrdoc.gov/resources...e/itm/itm.aspx

This software vendor provides a substantial number of references in the description of their implementation: http://www.softwright.com/faq/engine...gley_rice.html
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Last edited by ADTech; 23-Jun-2014 at 11:52 AM.
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