Raw character data from AIRSIS are parsed into a tibble.
can be read in directly from AIRSIS using
airsis_downloadData() or from a local
The type of monitor represented by this fileString is inferred from the column names
airsis_identifyMonitorType() and appropriate column types are assigned.
The character data are then read into a tibble and augmented in the following ways:
Longitude, Latitude and any System Voltage values, which are only present in GPS timestamp rows, are propagated foward using a last-observation-carry-forward algorithm'
Longitude, Latitude and any System Voltage values, which are only present in GPS timestamp rows, are propagated backwords using a first-observation-carry-backward algorithm'
GPS timestamp rows are removed'
character string containing AIRSIS data as a csv
Dataframe of AIRSIS raw monitor data.
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