Lat-Lon LLC LL13 사용자 설명서
Lat-Lon, LLC
STU Website Users Manual
Page 28
APPENDIX I: DATABASE FIELD DEFINITIONS
Field
Description
Valid Entries / units
UNIT_ID
Unit Serial Number
UNIT_NAME
Unit Name
UNIT_DATE/TIME
Unit Date and Time
RECEIVE DATE/TIME
Date and Time Servers Received
Message
Message
DECODER DATE/TIME
Date and Time Messages was Decoded
LATITUDE
Latitude of fix
LONGITUDE
Longitude of fix
GEOGRAPHY
Miles and direction from nearest town
SPEED
Speed of unit at fix
COURSE
Course or direction unit is moving
1-360
TIME_TO_FIX
Time between event and GPS fix
Time in seconds
SATELLITE IN VIEW
Number of GPS satellites in view by unit
MESSAGE_IN_QUEUE
Number of stored messages not yet sent
BUS_VOLTAGE
Voltage of unit after GPS fix
Volts
FIRMWARE
Version of firmware
MESSAGE_TYPE
Reason the message was generated by
the unit
the unit
Timed
Move Timed
Move Begin
Move End
Move Timed
Move Begin
Move End
MILE FROM PREV MSG
Miles from previous message
TIME SINCE MOVE BEGIN
Hours unit has been moving
Hours
TIME SINCE MOVE END
Hours unit has not moved
Hours
GEOFENCE
Geofence
GEOPOINT
Geopoint