reading the signal…
Signals / Object / Mapped places
in Parma, 45·counted·99 all time
A tall vertical pole or tower, often supporting wires, flags, antennas, sails, or other equipment.
Counted, not streamed: Mast 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.