Increasing GPS accuracy with EGNOS
Alex (Maxious) Sadleir
maxious at gmail.com
Wed Oct 7 12:10:42 CEST 2009
On Mon, Oct 5, 2009 at 9:02 PM, Al Johnson
<openmoko at mazikeen.demon.co.uk> wrote:
> On Sunday 04 October 2009, Erik Lundin wrote:
>> Good news, indeed. Does the Neo FreeRunner support EGNOS signals? Both
>> the hardware and software?
> According to this the Antaris 4 is capable of using WAAS, EGNOS and MSAS,
> collectively known as SBAS, and the signal is received through the GPS
> antenna. By default it is enabled, with one search channel, although this can
> be configured through the ubx protocol. The status can also be shown in ubx
> messages. This is probably worth checking to see what is actually happening
> when in Europe, as when it was written EGNOS was in test mode, and its use was
> disabled by default. It is unclear whether this was because of a 'test mode'
> flag in the signal or hardcoding in the firmware.
Other GPS receivers seem to have switched over automatically -
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