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Forums » Moviebeam Shutting Down December 15 » Why am I not suprised
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NOCMan
Verizon Fios User
Premium
join:2004-09-30
Flower Mound, TX

Re: Why am I not suprised

Cell towers output at high power as well. For every 3 feet of air the power is reduced by 1/2.
permalink · 2007-12-06 23:17:40 · Reply to this

Tzale
Proud Libertarian Conservative
Premium
join:2004-01-06
Sweden
·Verizon FIOS
·Optimum Online

Re: Why am I not suprised

said by NOCMan See Profile :

Cell towers output at high power as well. For every 3 feet of air the power is reduced by 1/2.
Hmmm, I thought it had to do with the Inverse Square Law.

The energy or intensity decreases by a factor of 1/4 as the distance is doubled

-Tzale
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Hello Verizon FIOS 12.03.07!
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permalink · 2007-12-06 23:32:28 · Print · Reply to this

EnasYorl
Thieves World

join:2001-12-02
West
·Verizon Online DSL
said by NOCMan See Profile :

Cell towers output at high power as well. For every 3 feet of air the power is reduced by 1/2.
Cell towers are low power less then 1k Watt ERP. TV broadcasters are 100K Watts with a 1 million Watt ERP on an attennae array.

And your loss in Air isn't true for power.

It's the inverse square law. You have to square the power output of a tower to get a 3db (x2) increase in power x distance away.
permalink · 2007-12-06 23:35:59 · Print · Reply to this
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