reading the signal…
Signals / Object / Mapped places
in Jena, TH·counted·74 all time
Systematic investigation or study, commonly shown through researchers, notebooks, laboratory equipment, documents, or observation.
Counted, not streamed: Research has no time series, so it is read as a footprint across places. All-time count by city.
Things that physically exist: street furniture, signs, buildings. All-time counts.