RTK-GPS with freerunner: decimeter-level accuracy with Free Software

Timo Juhani Lindfors timo.lindfors at iki.fi
Tue Sep 28 11:36:17 CEST 2010

RANJAN <infibit at gmail.com> writes:
> So I have been working with this:
> http://www.sparkfun.com/commerce/product_info.php?products_id=8266
> Can two of these chipsets or one with an FR give a decimeter accuracy? The
> chipset says it supports DGPS. Or one specifically needs a receiver with
> phase and carrier information in the raw data..

My guess is no. You need a receiver that gives you raw pseudorange and
carrier phase measurements.

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