reading the signal…
Signals / Object / Mapped places
in Exeter, ENG·counted·4 all time
Equipment carrying 11,000 volts, usually visible as high-voltage electrical infrastructure with warning labels.
Counted, not streamed: 11000 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.