Which of these statements is true of Primary radar? Group of answer choices Can calculate ground speed It receives information from the Aircraft's transponder Has a continually spinning antenna located on the ground Greatly enhances a controller's situational awareness compared to Secondary Radar Is a stronger signal than secondary radarWhich one of the following is NOT a responsibility of the FAA in carrying out aviation safety? Group of answer choices Offering advice and recommendation on safety rules and regulations Certificating "aviators," aircraft, aircraft components, air agencies, and airports Conducting aviation safety-related research and development Managing and operating the national airspace system