sgTimeAtBoot | R Documentation |
Get start times for boot sessions for a sensorgnome.
sgTimeAtBoot(serno, monoBN)
serno |
character scalar; serial number of sensorgnome, e.g. "SG-5133BBBK2972" |
monoBN |
integer vector; boot session(s) for which boot times are desired. |
the start time is taken as the first valid timestamp of files from that boot session. In most situations, the GPS sets a sensorgnome's clock shortly after boot, so the estimate will be some few minutes later than the true boot time. Where possible, we correct for the timespan during which the SG was producing pre-GPS-timestamped files in that boot session.
This procedure needs to be made explicit in upstream processing; see: https://github.com/jbrzusto/find_tags/issues/12
real vector of timestamps, one per item of monoBN
. NA for any
slot where the boot time could not be estimated; e.g. because the receiver
did not get a GPS fix.
John Brzustowski jbrzusto@REMOVE_THIS_PART_fastmail.fm
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