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uk.telecom.broadband (UK broadband) (uk.telecom.broadband) Discussion of broadband services, technology and equipment as provided in the UK. Discussions of specific services based on ADSL, cable modems or other broadband technology are also on-topic. Advertising is not allowed.

Any Satellite Users here ?

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Old July 17th 03, 10:58 PM posted to uk.telecom.broadband
Richard Whitcombe
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Posts: 31
Default Any Satellite Users here ?

Sorry, i was on about the sat systems the rely on a landline uplink not 2

"Steve" wrote in message
In article ,
(Richard Whitcombe) wrote:

I'm looking into sat broadband access for a colleague. Does anyone
any experience of the performance of the 2 way systems. I'm interested
in the latency as this will be used for VPN access. What is the
ping time of somewhere like
www.yahoo.com ?
Thanks all

Im not a satellite user but the laws of physics alone prevent you
getting a
ping less than about 280msec theoretical minimum. The reality is
far higher. It'll remain that way forever assuming einstein is correct

A two way system would be twice that surely, unless my maths has suffered
in this heat !

For each ping, data travels both ways then the return ACK travels both
ways. 4 x 22300 miles, I make that 89200, over half a second assuming
186000 miles per second in free space ?



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