If the “gps_ready” output of the GPS() instruction is stuck at or near zero and the data logger clock is not being set, what might be the cause?

The following are possible causes:

  • The GPS receiver is not producing the correct sentences.
  • The GPS receiver is configured with too low of a baud rate.
  • The GPS receiver is producing too many sentences for a given 1 s period.
  • The GPS receiver does not have a PPS (pulse per second) line correctly connected to the data logger.
  • The GPS receiver is a unit with a pulse-per-signal that is not 1 Hz.

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