Tests for the existence of the following core spatial metadata columns:
longitude -- decimal degrees E
latitude -- decimal degrees N
timezone -- Olson timezone
countryCode -- ISO 3166-1 alpha-2
stateCode -- ISO 3166-2 alpha-2
pas_hasSpatial(pas = NULL)
A PurpleAir Synoptic pas object.
TRUE
if pas
contains core spatial metadata,
FALSE
otherwise.