[CentOS] USB GPS
pasik at iki.fi
Sun Feb 14 13:27:16 UTC 2010
On Fri, Feb 12, 2010 at 12:29:25AM -0800, John R Pierce wrote:
> Mathieu Baudier wrote:
> >> Anyone ever used the iGPS-500 under CentOS 5? Any recommendations on a
> >> USB-based GPS that "just works"?
> > I use the Garmin GPSMAP 60CSx on CentOS.
> > This is a very good device (but more for "offroad" activities).
> there's two generic families of GPS's, simple antenna+radio-only units
> which just report position over USB (or on older ones, rs232 serial),
> and fancy handheld units that have mapping and tracking and all kinda
> bells and whistles such as the various Garmin units
> most folks who want a GPS to connect to a computer are probably more
> interested in the simple kind, as they want to use the computer for any
> mapping etc. most all simple GPS's speak in NMEA, which just transmits
> a constant stream of simple ascii 'sentences' with the current location
> and some metadata. fancy GPS's like the garmins can speak either
> simple NMEA or their own Garmin protocol which supports mapping,
> waypoints, etc
> typical NMEA output is...
> (12:35:19 UTC, 48 deg. 07.038' N, 11 deg 31.000' E latitude), quality 1, 8 sats, etcetc
> most any NMEA USB simple GPS should work, they all emulate a USB serial
> port on the PC side, and just spew their NMEA stream over this 'serial'
> port. for instance, this
> which uses thee excellent SIRF GPS chip, uses a Prolific PL2303
> USB-serial adapter chip, which I'm pretty sure is easily supported on
> linux (havent tested it, hwoever)
PL2303 USB-serial adapters work for me on Linux.. I'm mainly using them
to configure switches/routers or occanional serial console dumping.
I think I have some Belkin branded PL2303 based usb-serial adapter.
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