August 3rd 16, 11:16 AM
posted to uk.transport.london
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First recorded activity at LondonBanter: Oct 2015
Posts: 1,044
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Crossrail Elizabeth Line trainset unveiled
On Wed, 3 Aug 2016 09:35:58 +0100
Roland Perry wrote:
In message , at 08:25:38 on Wed, 3 Aug
2016, d remarked:
Of course, the actual order was confirmed in, I think, 2013, not 2008,
when discussions first started. So there's really no good reason why the
spec wasn't updated to include Wi-Fi in the intervening five years of
debate, discussion and negotiation.
Is there any plan to fit them with wifi post-delivery?
Allegedly.
Out of interest, does anyone know how the uplink in train wifi is done in the
UK? Does it use the cellular network or is it a proprietary radio system?
It's a mixture of satellite and HSDPA mobile. Coverage can be very
Satellite on a moving train? Doesn't sound like a reliable system with the
train rocking and bouncing and changing direction all the time plus buildings
getting in the way. I know its used on aircraft but turbulence aside the body
pitching and rolling is generally fairly slow.
--
Spud
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