CipherLab CP55 Reference Manual page 207

Item
Date, Time
Longitude, Latitude, Altitude Together they deliver the user's location on earth.
PDOP
Direction
Speed
Status
Note: For multiple GPS-enabled programs to access GPS data, tap Start | Settings |
System | GPS Manager | COM Port tab page. Select Enable GPS program port
and specify a program port for related software to obtain GPS data from.
Description
Current date and time.
Positional (3D) Dilution of Precision, an indicator about the relationship
between the error in user position and the error in satellite position.
Small PDOP value indicates good positioning. Values greater than 7
are considered poor
Direction when user is in motion.
Relative speed when user is in motion.
Delivers positioning progress.
Depending on the number of visible satellites, the status changes
from "Tracking" to "Position", during which latitude, longitude and
altitude information are all obtained.
Chapter 7 More Applications
191