reading the signal…
Signals / Object / Mapped places
in Avelin, HDF·counted·213 all time
A device that controls electrical flow, typically appearing as a lever, toggle, breaker, or switch mounted in equipment.
Counted, not streamed: Power Switch 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.