I heard about that and am horrified - went around tassie recently and the
CDMA worked almost all over - my friend (ex telecom) phone was all but
useless. Is it time to contact Barnaby Joyce? Notice recently Nigel Andews
had an old Hyundai CDMA and I asked how come you have that - He said "it
workes everywhere and I just leave it prepaid" which I find has no time
limit. He had a GSM for regular use.
Where do we start - what people want in country is a service and not bells
and whistles and I understand GSM is not much use beyond 32km and besides
CDMA does not interfer with aviation radio like GSM!
Ian McPhee (skype macca304)
Box 657
Byron Bay NSW 2481 Australia
Tel +61(0)2 66847642 mob +61(0)428847642
[EMAIL PROTECTED]
www.mrsoaring.com
----- Original Message -----
From: "John Wharington" <[EMAIL PROTECTED]>
To: "Discussion of issues relating to Soaring in Australia."
<[email protected]>
Sent: Thursday, December 08, 2005 10:42 AM
Subject: Re: [Aus-soaring] The Future of Gliding Part 2
I have sucessfully tested in XCSoar, driving a mobile phone via
bluetooth to send and receive SMS messages. This works fine.
The catch:
CDMA, which is really most useful for longer distance glider flights, is
being phased out by Telstra and the 3G technology is NOT nearly as good
in remote areas.
I did my testing with GSM mobile phones.
Anyhoo, it's doable.
John Wharington
On Thu, 2005-12-08 at 09:43, Robert Hart wrote:
Ken Dawber wrote:
> I'm sure that changing gliding competitions towards or creating
> technology towards making gliding competitions more of a spectator
> spectacle would be a great help to the sport.
>
> Since the new FLARM units are consistently outputting each FLARM
> equipped gliders height, position and speed vector through out their
> flight, how hard would it be to extend this so that a competition
> could create real time displays of every gliders height and position
> through out the completition.
>
> I expect that the output of the Flarm units is nowhere near strong
> enough for a single contest base station to pick them up but would it
> be realistic to have a number of linked ground based stations
> throughout the completition area to create that display.
> Alternatively, or in conjunction with, would it be possible to have
> specific competition versions that increased the output or also
> broadcast the output on a second radio channel in a manner that
> allowed fewer base stations to pick it up.
>
> Their is no requirement for 100% coverage. If a real time
> completition display kept losing some 10 per cent of the gliders in
> specific parts of the course then it would probably increase the fun
> of the spectacle.
>
> I'm only asking question so I hopefully don't need a flame suit for
> these.
You certainly don't need a flame suit - a similar idea occurred to me
some time ago.
Unfortunately, FLARM is a short range technology - about 3km for the in
glider units (Nigel Andrews has suggested that a ground based receiver
with high gain antenna might be able to get 10km).
However, something like FLARM could be created (Nigel suggested maybe
using CDMA phones as the comms mechanism - although the in glider unit
only needs to Tx and not Rx) to do just what you suggest.
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