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Forums » Regular Wi-Fi With a 60 Mile Range? » Why not for the US?
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« Fresnel zone?  

NOCMan
Verizon Fios User
Premium
join:2004-09-30
Flower Mound, TX

Re: Why not for the US?

Only 1W? How high up are those satellites? I've ran setups to 23,000miles and we'd have to push a few dozen watts just to get through heavy clouds and a lot more if it was raining really bad.
--
Mac Chatter
»www.macchatter.net
MZR

join:2006-08-12
TX

Re: Why not for the US?

I agree with you, but remember,in a sat terminal you are amplifying a wide spectrum(multiple channels). A direcway, any other residential sat setup only needs to amp a small carrier.
It is just like many Wireless ISPs that use 5 and 10MHz channel widths to increase range instead of the standard 20MHz Wi-Fi channels.

I was a direcway customer about 5 years ago and used to lose sync every time a dark cloud got in the way.

BTW, I still have the equipment, If anyone wants it.

maartena
Super Grover
Premium
join:2002-05-10
Orange, CA
·RoadRunner Cable

said by NOCMan See Profile :

Only 1W?
QUESTION:
What's the power for Cassini's transmitter?

ANSWER from FAQ on June 3, 1999:
It's 20 watts. Received at the DSN antennas, the signal power is 10 to
the -16th (0.0000000000000001) watts. From Saturn, the signal takes
about 1 hour and 20 minutes to reach Earth.

Conclusion: You don't need a whole lot of power to send a signal.... and to receive a signal, you need even less.
--
"Any society that would give up a little liberty to gain a little security will deserve neither and lose both" -
Benjamin Franklin, Founding Father.
Forums » Regular Wi-Fi With a 60 Mile Range?sure it does »
« Fresnel zone?  


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