{"aspect_id":"AS232","aspect_name":"radiant-energy-density-per-unit-frequency","aspect_reference":null,"aspect_symbol":null,"name":"radiant-energy-density-per-unit-frequency kilogram per metre per second squared (per hertz)","scale_id":"SC1570","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"None kg.m-1.s-2.(Hz-1)","unit_id":"UN1483","unit_name":"kilogram per metre per second squared (per hertz)","unit_reference":null,"unit_symbol":"kg.m-1.s-2.(Hz-1)"}