Sub meter ROS compatible GPS

asked 2014-12-10 00:46:56 -0600

T00Tall
11 ●1 ●2 ●2

Hello Folks,

I am in need of a GPS device that currently works with ROS that has a better accuracy than 1 meter.

Does anyone have any suggestions or information that could help.

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answered 2014-12-10 07:18:36 -0600

Ryan

3248 ●20 ●47 ●63 http://www.clearpathro...

Clearpath tends to supply the NovAtel SMART-6 when clients need such accuracy. It'll go down to 2 cm if the right upgrade options are selected, a base station is available, and everything's configured properly (warning: Don't underestimate the configuration time). It works with the standard navsat driver as well.

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Thank you for you're answer. Do you happen to know of any database of nmea compatible devices? To top off my request I forgot to mention we need the device to be relatively small.

T00Tall ( 2014-12-10 07:48:20 -0600 )edit

I can't think of any database, no. AFAIK, GPS devices which can't be configured for NMEA output are rare.

Ryan ( 2014-12-11 08:53:14 -0600 )edit

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answered 2014-12-10 01:16:29 -0600

Wolf

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You can run any device that provides you NMEA ASCII output to the serial port in ROS using the nmea_nav_sat_driver http://wiki.ros.org/nmea_navsat_driver .

E. g. we use a predecessor device of TopCon's GR-5 ( http://www.topconpositioning.eu/gnss/... ) with UTMS RTK support to reach sub meter accuracy; no additional ROS driver needed!

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