Reason for GPS problems found!
joerg at openmoko.org
Tue Jul 15 22:50:18 CEST 2008
Am Di 15. Juli 2008 schrieb Yaroslav Halchenko:
> > The note attached said:
> > "GPS internal antenna issue appears to respond positively to cranking
> > RF_3V to 3.6V from 3.0V."
> > Perhaps Torfinn's last Email was right: it may not be an EMC problem but
> > a lack of voltage?
> well... you could look at those results from the other side as well:
> it is a SNR issue for sure, and to boost SNR you either
> boost signal (which is what voltage raise does) or you reduce noise
> (which what removal of SD card seems to be doing).
> Yaroslav Halchenko
> Research Assistant, Psychology Department, Rutgers-Newark
> Student Ph.D. @ CS Dept. NJIT
> Office: (973) 353-5440x263 | FWD: 82823 | Fax: (973) 353-1171
> 101 Warren Str, Smith Hall, Rm 4-105, Newark NJ 07102
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