reading the signal…
Signals / Event / Building permits stream
in Minneapolis, MN·counted·152 all time
A fire alarm permit authorizes installation or modification of an alarm system, typically documented on posted paperwork near a building
Counted, not streamed: Fire Alarm Permit has no time series, so it is read as a footprint across places. All-time count by city.
Things that happen: permits, collisions, crimes, inspections. All-time counts.