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which is fully equipped with wifi on board. I don't understand what all major train lines don't have this, it's so convenient - and would make trains so much more attractive to a number of people.

In the long run, we're all dead. John Maynard Keynes
by Jerome a Paris (etg@eurotrib.com) on Mon Nov 23rd, 2009 at 10:20:38 AM EST
This would presume that all railway companies want passengers customers. In the UK we have come to accept that providing a service to the public is the least of railway company priorities.

ps , is it available in 2nd class as well as business/first ?

keep to the Fen Causeway

by Helen (lareinagal at yahoo dot co dot uk) on Mon Nov 23rd, 2009 at 11:01:49 AM EST
[ Parent ]
Actually the only train with wifi that I took in Europe was in the UK, and the speeds were even workable. Actually the Thaly's train might have had it as well, but I think it had an expensive hourly rate attached to it.

you are the media you consume.

by MillMan (millguy at gmail) on Mon Nov 23rd, 2009 at 03:11:31 PM EST
[ Parent ]
Not completely ashamed to admit it, but wifi is free in 1st.  At first, only Brussels - Paris, but now from Cologne where the Thalys originates at this end.

Germany is beginning to make inroads into wifi on trains, adding one route at a time based upon some criteria.  i really like it, because it means full work load on trains (as if you couldn't do full work load without wifi if you really wanted.)

Plus, i get more focused working with the rails humming in the background.  i work better on trains than at home, unless i'm excited.

Did i mention i love traveling by train?

"Life shrinks or expands in proportion to one's courage." - Anaïs Nin

by Crazy Horse on Mon Nov 23rd, 2009 at 03:20:10 PM EST
[ Parent ]
Get some sort of season ticket or frequent traveller discount and spend 8 hours a day on ICEs...

Maybe it will be cheaper than an office.

En un viejo país ineficiente, algo así como España entre dos guerras civiles, poseer una casa y poca hacienda y memoria ninguna. -- Gil de Biedma

by Migeru (migeru at eurotrib dot com) on Mon Nov 23rd, 2009 at 03:22:00 PM EST
[ Parent ]
because it's fucking complicated, hence expensive. the gear is tailor made for just a few hundred wagons worldwide, and each region has different satellites available:

http://www.presence-pc.com/tests/TGV-Internet-22741/2/

Actually, you can't use plain 3G because bandwidth cannot cope with all the passengers, and also because doppler would kill the link too often, just like for voice. and once you're dealing with satellites, you need smart caching proxies otherwise the latency is unbearable for savvy users.

In the end, it's even more complicated than putting the web in an airplane (well, save the final qualification process of the likes of FAA). The satellite antennas will get the equivalent of a lightning from the catenary 20 times a day, and no plane has to deal with tunnels...

Pierre

by Pierre on Mon Nov 23rd, 2009 at 11:40:43 AM EST
[ Parent ]
I would have gone with leaky coax in the gantries, personally.  I'm dubious about the doppler claim: yes, they go fast, but the doppler shift is at worst 4e-7, which is surely smaller than the tolerances in the crystals.
by njh on Mon Nov 23rd, 2009 at 01:58:04 PM EST
[ Parent ]
what matters is that it is of the order of the channel separation interval of gsm, in the worst case of a mast next to the rails. So when you pass the mast, you toggle from one extreme adjustment to the other in a split second, which an ordinary adaptive filter will not handle.

Of course, masts are not right next to the tracks, and you could use gps to guess about the doppler (using a geo db of all antennas next to the track). But in the end, satellite is the less unmanageable option...

Pierre

by Pierre on Tue Nov 24th, 2009 at 04:23:28 AM EST
[ Parent ]
Yes, I did not consider the fact that gsm is time sliced.  Would it matter for leaky coax ( with the signal emitted by a line source rather than a point)?
by njh on Thu Nov 26th, 2009 at 05:11:47 PM EST
[ Parent ]
Hey Jerome, does this look promising for wind power, or not? It says 49 metres above the "zero plane discplacement" or somesuch.

And for a closer look at the region where I live, at 49, 72 and 103 metres.

   

Peak oil is not an energy crisis. It is a liquid fuel crisis.

by Starvid (arvid.hallen at gmail.com) on Mon Nov 23rd, 2009 at 12:30:58 PM EST
[ Parent ]
It would be a good exercise for you to pick some favorite sites, download the power curves for a few selected turbines, see how much annual energy they produce at 100m hub height (you'll want that), and then figure the revenue stream.

You might be surprised at what you find.

"Life shrinks or expands in proportion to one's courage." - Anaïs Nin

by Crazy Horse on Mon Nov 23rd, 2009 at 02:14:09 PM EST
[ Parent ]
Surprised by the fantastic or horrific revenues? I really don't know much about wind, and am just generally wondering if the most of the country is DOA, or not.

Peak oil is not an energy crisis. It is a liquid fuel crisis.
by Starvid (arvid.hallen at gmail.com) on Mon Nov 23rd, 2009 at 02:32:40 PM EST
[ Parent ]
6.5 to 7.5 m/s at 50m gives you reason to look deeper, higher makes it all the more worthwhile... without knowing what you're paid in Norwegen.

"Life shrinks or expands in proportion to one's courage." - Anaïs Nin
by Crazy Horse on Mon Nov 23rd, 2009 at 02:39:59 PM EST
[ Parent ]

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