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• SpecifiedPlainRecord
• SpecifiedTimeStampedRecord, etc.

Record types which specify the geospatial position in addition to the time value:

• GeospatialRecord
• SpecifiedGeospatialRecord  

(N.B. Geospatial records also always include time stamp, because it seems to be the overwhelmingly dominant usage)

DerivedRecord and StatisticsRecord

...

{
   "value" : " 100.54"
}

TimestampedRecord:

{
   "ts" : "2020-01-10T02:59:43.491751Z   # Zulu time, ISO std with microseconds
   "value" : "42 "
}

GeospatialRecord:

{
   "pos" : "[format tbd]"
   "ts" : "2020-01-10T02:59:43.491751Z   # Zulu time, ISO std with microseconds
   "value" : "42 "
}

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