use precision meter from the site:

GPS Errors & Estimating Your Receiver's Accuracy
http://edu-observatory.org/gps/gps_accuracy.html

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
recongnize GNGNS nmea sentense

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
fix equals for GnssSatellite to recognize satellite system

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
Merge branch 'gnss_satellites_glonnass_fix'
add satellite status view

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
organize hierarchy and rebrand

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
Merge branch 'rebranding'