This object defines the state the GPS zone must take when the GPS receiver loses coverage or doesn't have enough to accurately calculate the geographical position. true: The state of the zone is TRUE. false: The state of the zone is FALSE. true-time-false: The state is TRUE and changes to FALSE if no GPS signal is available for the duration defined by CoverageFailStateTime. false-time-true: The state is FALSE and changes to TRUE if no GPS signal is available for the duration defined by CoverageFailStateTime. last-state: The state remains in the same state. last-time-false: The state remains and changes to FALSE if no GPS signal is available for the duration defined by CoverageFailStateTime. last-time-true: The state remains and changes to TRUE if no GPS signal is available for the duration defined by CoverageFailStateTime.