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Comparison GPS vs Galileo?

 
 
Ingolf Steinbach
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      10-27-2003, 03:23 PM
Hi,

where can I find good (i.e. technical, no glossy brochure)
comparisons of GPS versus Galileo on the web?

Kind regards
Ingolf
--

Ingolf Steinbach Jena-Optronik GmbH
http://www.gps-forums.net/(E-Mail Removed) ++49 3641 200-147
PGP: 0x7B3B5661 213C 828E 0C92 16B5 05D0 4D5B A324 EC04
 
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ouch
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      10-27-2003, 05:12 PM
>Hi,
>
>where can I find good (i.e. technical, no glossy brochure)
>comparisons of GPS versus Galileo on the web?
>
>Kind regards
> Ingolf


I'm sure that Googling will yield some results but here's a page I
bookmarked a while back:

http://europa.eu.int/comm/dgs/energy...tro/gps_en.htm

The problem is that any comparisons will be conjecture, since Galileo
isn't yet (anywhere near) operational.
 
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Gary S.
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      10-27-2003, 05:55 PM
On Mon, 27 Oct 2003 17:12:18 +0000, ouch <> wrote:

>>Hi,
>>
>>where can I find good (i.e. technical, no glossy brochure)
>>comparisons of GPS versus Galileo on the web?
>>
>>Kind regards
>> Ingolf

>
>I'm sure that Googling will yield some results but here's a page I
>bookmarked a while back:
>
>http://europa.eu.int/comm/dgs/energy...tro/gps_en.htm
>
>The problem is that any comparisons will be conjecture, since Galileo
>isn't yet (anywhere near) operational.


Forget operational, the specs and plans are still being devised.

There are four GPS systems under discussion:

Right now the US system, NAVSTAR, has been fully operational for
almost 10 years, and this is what most people refer to as GPS. Note
that there have been, and will continue to be, upgrades to this
system.

The Russian GLONASS system is operational, but does not have a full
constellation of satellites.

The EU system, Galileo, is going through the approval/design process.

The Chinese have plans for a different system perhaps a bit further
along in the design.

Hard to compare NAVSTAR "now" with Galileo "five years from now".

Happy trails,
Gary (net.yogi.bear)
------------------------------------------------
at the 51st percentile of ursine intelligence

Gary D. Schwartz, Needham, MA, USA
Please reply to: garyDOTschwartzATpoboxDOTcom
 
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Dale DePriest
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      10-27-2003, 09:55 PM


Ingolf Steinbach wrote:

> Hi,
>
> where can I find good (i.e. technical, no glossy brochure)
> comparisons of GPS versus Galileo on the web?
>
> Kind regards
> Ingolf


A comparison does not exist. There is a marketing comparison that
compares GPS circa 2000 with a supposed Galileo circa 2008 but it isn't
close to reality so far as I can tell.

Dale
--
_ _ Dale DePriest
/`) _ // http://users.cwnet.com/dalede
o/_/ (_(_X_(` For GPS and GPS/PDAs

 
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Kater
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      11-06-2003, 09:13 AM
Dale DePriest <(E-Mail Removed)> schreef op 27 okt 2003 in
news:(E-Mail Removed):

> A comparison does not exist. There is a marketing comparison that
> compares GPS circa 2000 with a supposed Galileo circa 2008 but it isn't
> close to reality so far as I can tell.


Do you have any idea whether it will be possible to use Galileo with the
current consumer GPS-receivers (after a firmware update maybe) ?
As in Waas and Egnos. Or will it need other
hardware/frequencies/whatever... ?

Thanks for any enlightment on this subject. ;-)

--
Tom Cat
 
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Kater
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      11-06-2003, 09:56 AM
Kater <(E-Mail Removed)> schreef op 06 nov 2003 in
news:Xns942B68A56E2CAKater@195.130.132.68:

> Do you have any idea whether it will be possible to use Galileo with

the
> current consumer GPS-receivers (after a firmware update maybe) ?
> As in Waas and Egnos. Or will it need other
> hardware/frequencies/whatever... ?


I guess this partly answers my question :
(copied from ouch's link :
http://europa.eu.int/comm/dgs/energy...tro/gps_en.htm )

************************************************** ***********
Nonetheless, GALILEO also complements GPS insofar as:

Using both infrastructures in a coordinated fashion (double sourcing)
offers real advantages in terms of precision and in terms of security,
should one of the two systems become unavailable;

The existence of two independent systems is of benefit to all users since
they will be able to use the same receiver to receive both GPS and
GALILEO signals.
************************************************** ***********

But I still wonder if that will be possible with the present generation
of consumer GPS-receivers.

And what to think of this :
"GALILEO is more reliable as it includes a signal "integrity message"
informing the user immediately of any errors."
I suppose this will require a different setting/firmware/hardware(?) of
the receiver ?

I want to buy a Garmin iQue, so I am especially interested to know if the
iQue will be able to use Galileo signals.

--
Tom Cat
 
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Andreas van Hooijdonk
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      11-06-2003, 10:45 AM
Kater,

Don't wait for Galileo to be happy, live now and enjoy the beauties of
GPS.

regards
--
Andreas van Hooijdonk
http://www.gps-practice-and-fun.com
Sharing GPS Knowledge


"Kater" <(E-Mail Removed)> wrote in message
news:Xns942B6FDAA129CKater@195.130.132.68...
> Kater <(E-Mail Removed)> schreef op 06 nov 2003 in
> news:Xns942B68A56E2CAKater@195.130.132.68:
>
> > Do you have any idea whether it will be possible to use Galileo with

> the
> > current consumer GPS-receivers (after a firmware update maybe) ?
> > As in Waas and Egnos. Or will it need other
> > hardware/frequencies/whatever... ?

>
> I guess this partly answers my question :
> (copied from ouch's link :
>

http://europa.eu.int/comm/dgs/energy...tro/gps_en.htm )
>
> ************************************************** ***********
> Nonetheless, GALILEO also complements GPS insofar as:
>
> Using both infrastructures in a coordinated fashion (double sourcing)
> offers real advantages in terms of precision and in terms of security,
> should one of the two systems become unavailable;
>
> The existence of two independent systems is of benefit to all users

since
> they will be able to use the same receiver to receive both GPS and
> GALILEO signals.
> ************************************************** ***********
>
> But I still wonder if that will be possible with the present

generation
> of consumer GPS-receivers.
>
> And what to think of this :
> "GALILEO is more reliable as it includes a signal "integrity message"
> informing the user immediately of any errors."
> I suppose this will require a different setting/firmware/hardware(?)

of
> the receiver ?
>
> I want to buy a Garmin iQue, so I am especially interested to know if

the
> iQue will be able to use Galileo signals.
>
> --
> Tom Cat



 
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Peter
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      11-06-2003, 03:19 PM
Kater wrote:

> Dale DePriest <(E-Mail Removed)> schreef op 27 okt 2003 in
> news:(E-Mail Removed):
>
>
>>A comparison does not exist. There is a marketing comparison that
>>compares GPS circa 2000 with a supposed Galileo circa 2008 but it isn't
>>close to reality so far as I can tell.

>
>
> Do you have any idea whether it will be possible to use Galileo with the
> current consumer GPS-receivers (after a firmware update maybe) ?
> As in Waas and Egnos. Or will it need other
> hardware/frequencies/whatever... ?


Current receivers will not be able to receive Galileo signals since they
will be quite different from the Navstar GPS specifications. I expect when
(if?) Galileo is closer to deployment and the specifications have been
finalized that manufacturers will start marketing 'Galileo-ready' receivers
that will be able to use signals from both systems.

 
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