Since the designation in the 1970s of a military satellite communications Ka-band (30-31 GHz uplink, 20.2-21.2 GHz downlink ), these frequencies have held great potential to support US forces and requirements.
Since the designation in the 1970s of a military satellite communications Ka-band (30-31 GHz uplink, 20.2-21.2 GHz downlink ), these frequencies have held great potential to support US forces and requirements.