They include temperature, humidity, pressure, motion, radiation, coronal arc discharge, solar irradiance, cell phone signals, methane, carbon dioxide, carbon monoxide, hydrogen, volatile organic ...

Castle Rock Police wants to expand its drone program for 911 calls. An FAA waiver is needed to expand aerial response. Town approves $200K lease with Flock.

San Jose’s drone pilot program to crack down on illegal fireworks will be launched this Friday for the July Fourth holiday.