gllin and gpsd
daniel at openmoko.org
Mon Dec 17 20:32:02 CET 2007
On Mon, 17 Dec 2007 12:01:07 -0700
"Shawn Rutledge" <shawn.t.rutledge at gmail.com> wrote:
> Can anybody confirm that the jack in the side of the phone is for a
> GPS antenna, or something else? (Bluetooth maybe?) I tried
Yes, it is.
> connecting a GPS antenna there and it didn't seem to make any
> difference in signal strength. But my understanding is that GPS
> antennae have built-in LNAs and therefore require 5V "phantom power"
> to be sent over the coax.
And it is phantom powered. In my experience the internal antenna is
already pretty sensitive, meaning the biggest advantage an external
antenna has is that you can pick up the signal at a different location
than your neo is.
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