Hi,
None of the GPS receivers on the Spark Fun Elec. website update more than 1Hz. I would love to add one, but they are still a bit cost prohibitive.
-Nathan
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mellbrook wrote:www.ublox.com produces also GPS modules that are able for an output rate more than 1Hz NMEA. i (in germany) bought two of them for under ~100$. but you need to buy an antenna.I'm using the u-blox LEA-4A - update rate is 4 Hz max. I'm interfacing it to a Siemens MC55 GSM module, with a PIC. I think I can get the production version down to about 3 cm x 3 cm.