AGPS - protocol specs?

[Ian Stirling]

Philip Ray Schaffner wrote:
> On Fri, 2007-03-09 at 12:46 +0000, Al Johnson wrote:
> ...
>> >
>> > So *military* devices does it. But not civil.
>>
>> This is for *civil* devices.
>>
>> http://pro.magellangps.com/en/products/aboutgps/dgps.asp
>> http://pro.magellangps.com/en/products/aboutgps/rtk.asp
>> http://en.wikipedia.org/wiki/Real_Time_Kinematic
>>
>> Here's a civil device using RTK that "determines the position to centimeter 
>> accuracy within a few seconds at ranges up to 50 km from a reference station"
>> http://www.leica-geosystems.com/uk/en/lgs_8276.htm
>>
>> In the UK the Ordnance Survey is making its data available for commercial RTK 
>> networks.
>> http://www.ordnancesurvey.co.uk/oswebsite/gps/commercialservices/index.html
> 
> Very interesting thread.  Took the liberty of adding some ideas entitled 
> "*Cooperative Differential GPS*" related to this to the Summer_of_code 
> <http://wiki.openmoko.org/wiki/Summer_of_code> Wiki page:
> 
> http://wiki.openmoko.org/wiki/Summer_of_code

I can't get to that page for some reason - and am going to sleep.
I expounded on this in some length at the bottom of Hardware:GPSD - if 
you haven't seen that, it may be of use.