Reason for GPS problems found!

Joerg Reisenweber joerg at
Wed Jul 16 15:36:53 CEST 2008

Am Mi  16. Juli 2008 schrieb Jay Vaughan:
> > However,.. one must really think why this problem didn't turn out in  
> > the
> > factory tests :-(
> Yes.  That is indeed something that must be thought about.
> ;
> --
> Jay Vaughan

Tony Tu already posted a response to this: Our factory tests can't be done 
under real live situation, we have to create an 'artificial' GPS signal to 
Our tests with this artificial signal didn't show any issue, even when tested 
with uSD inserted, which was one of the tests.
Please note: Even out in the wild there have been reports of decent fixtime 
with uSD *inserted*. So this is a +-3dB issue, where we didn't recognise our 
tests at fab were *a little* 'overoptimistic' with regard to real live. This 
has been addressed by our production engineers last week and already should 
be fixed by now.
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