Sierra Nevada Plans June Launch of RF-Sniffing Constellation

Sierra Nevada is eyeing a June launch for its proposed constellation of three non-geostationary orbit RF-sensing earth exploration satellite system satellites, it said in an FCC Space Bureau application posted Friday. The three are intended to detect and geolocate signals in the VHF, UHF, global navigation satellite system, X-, S-, L- and Ku/Ka-bands, it said.