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Getoffandwalk
Occasional Visitor
Joined: Jun 06, 2005
Posts: 17
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 Posted: Thu Jul 21, 2005 1:09 pm Post subject: Will my current GPS be compatable with Galileo? |
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The hype would suggest that a GPS receiver bought today will be able to use the Galileo service when it becomes operational.
However, I read that prototype Galileo receivers are being developed and that both systems will be switching to a new set of frequencies known as Binary Offset Carrier 1.1.
Does this mean that a new purchase will have to be made in 2008 to benefit from both systems? |
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Pc-Mobile
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Joined: 26/10/2002 10:38:36
Posts: 789
Location: Hong Kong
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| Posted: Thu Jul 21, 2005 1:29 pm Post subject: |
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The current GPS might or might not be compatible.
But I would not worry about that. Even if they are, you will inevitably buy newer hardware with more functions which Galileo provide.
Therefore, whether they are compatible with Galileo or not, it really does not matter.
That is my theory anyway.
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Pc-Mobile
http://pc-mobile.net/gps.htm |
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rossb
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Joined: Nov 17, 2004
Posts: 79
Location: Sheffield, UK
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| Posted: Thu Jul 28, 2005 11:50 pm Post subject: |
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Two thoughts
1. Is galileo free or subscription based?
2. I think it is worth upgrading satnav systems every few years anyway. I recently upgraded from a Garmin streetpilot III to a Garmin C320, in that time there have been many advances e.g smaller size and weight, 3d mapping etc, plus of course, updated maps. |
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smallfreak
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Joined: May 31, 2005
Posts: 68
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| Posted: Wed Aug 24, 2005 9:10 am Post subject: Re: Will my current GPS be compatable with Galileo? |
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| Getoffandwalk wrote: | The hype would suggest that a GPS receiver bought today will be able to use the Galileo service when it becomes operational.
However, I read that prototype Galileo receivers are being developed and that both systems will be switching to a new set of frequencies known as Binary Offset Carrier 1.1.
Does this mean that a new purchase will have to be made in 2008 to benefit from both systems? |
One of the design goals was to be 100% compatible to the current GPS system, both in frequency and data structure. The Galileo Consortum retired the plan for some protocol enhancements as they could not convince the US to upgrade their units too and they would not risk a compatibility problem.
Once the system is up and running, the "almanach" that lists the available satellites will contain both systems. Current GPS receivers just see more than the double of satellites and will more likely get a quick fix.
Galileo uses additional frequencies for enhanced functionality that certainly can only be used with new hardware. |
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