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Chapter 8: GPS and a Real- T ime Situational Displa y 221
Figure 8.27 GPS data displayed by the PSerT application.
updated every 0.75 seconds, which allows sufficient time for the GPS module to receive a
fresh data set. Please note that the GPS module provides the coordinates in decimal degrees
with the minutes and seconds as a decimal fraction of a degree in lieu of the NMEA format
discussed earlier. It is fairly easy to make the conversion to integer minutes and seconds
using software, if that is the required format.
Element # Value Description
1 44.23784 Latitude (North)
2 -71.04572 Longitude (West)
3 0.58 Speed (m/s)
4 64 Altitude (m)
5 10 Month
6 23 Day
7 2013 Year
8 16 Hours (UTC)
9 9 Minutes
10 12 Seconds
Table 8.10 Displayed GPS data elements.
