reading the signal…
Signals / Object / Mapped places
in Sherbrooke, QC·counted·4 all time
A high-voltage electrical facility, typically featuring substations, transformers, pylons, and prominent safety warnings.
Counted, not streamed: 220000 Primary Voltage 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.