Re: Mobile phones allowed on Ryanair

Steve wrote:
"Geoff" <geoffhx@xxxxxxxxxxx> wrote in message news:UKSdnRmp25hINmjZRVnyjA@xxxxxxxxx
GSM to work on Mickey's planes.
http://news.bbc.co.uk/1/hi/business/5298332.stm

Looking at the FAQ
http://www.onair.aero/en/faq/faq_mobile_industry.pdf
it looks like I could set my mobile to not roam and get back on my own network rather than helping Ryanair's profits.

What do you folks think?

Is there a signal at 36,000 feet?

Geoff

A few months ago I was standing ontop of Westminster City Hall (the old one) and I couldnt get a signal there on any network.

So I guess you would struggle at 36,000 feet dont you.

Antenna are always pointed horizontally or tilted just a few degrees up or down depending on the lay of the land etc.

And, yes, handovers would be a problem too.......... an average BTS will radiate for 10-20 mile in excellent conditions. How fast does an aircraft fly at? That would be a handover every second or so. I dont think that would be too good either?

Steve



From the Register

The system operates by having a GSM picocell located on the plane. GSM handsets adjust their output power depending on their proximity to the nearest cell so, by having a cell onboard, the output power is kept to a minimum, vastly reducing any potential risk of interference with aircraft instruments.

From the picocell the connection is over a satellite link, which will introduce an unavoidable latency. Voice and SMS should work acceptably and most GPRS applications including email and web surfing, but no World of Warcraft over the Atlantic. The system is also GSM and GPRS only, no 3G.
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Dave C
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