22
would indicate a poor arrangement that might not lead
to very accurate results.
The bar chart at the bottom of the screen shows the S/
N ratio of each satellite (signal strength) and the blue
bar indicates the satellites that are contributing to the
current solution. The numbers at the bottom of the bar
are the same numbers as the one on the map so that
the two charts can be tied together. The receiver is
getting a signal from satellite 6 but does not have the
data yet to use it as part of the solution.
By the way, the map of the earth shown on the upper
chart is bogus since the satellite view is looking up, not
down with the center of the circle representing the
current location and North at the top. The map itself is
only a graphic and provides only misinformation but
looks nice.
GPSInfo is a powerful program that can manipulate
data using the internal SiRF binary protocol. It is
possible that some error conditions could leave the unit
in SiRF mode and not available for NMEA.
If you can make a Bluetooth connection but cannot
communicate with the unit from your GPS application,
it may be because it was locked in SiRF mode. You
Summary of Contents for BLUETOOTH GPS
Page 1: ...Bluetooth GPS ...
Page 28: ...28 Part Code WPM01 July 2004 ...
