reading the signal…
Signals / Object / Mapped places
in Berlin, BE·counted·97 all time
A facility handling telecommunications connections, typically appearing as a utility building filled with cables, equipment, or antennas.
Counted, not streamed: Telecom Exchange 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.