- Learn on your terms — stream the entire course when it fits your schedule and get everything you need to pass both exams without guesswork. - Free GROL + MROP study manuals for guided note-taking and reference. - Eight auto-scored practice exams with instant feedback to sharpen your weakest points fast. - Instructor Q&A board — post a question, get a practical answer within one business day. GROL: Required by the FCC for anyone who adjusts, maintains, or internally repairs ship, aircraft, or international fixed public-radio transmitters over 1,000 W PEP—think radar technicians, avionics techs, satellite earth-station engineers, and shore-side maintenance crews. MROP: Needed to operate radiotelephone stations aboard vessels > 300 GT or passenger vessels, and on Great Lakes routes; Element 7 prepares you for Global Maritime Distress and Safety System (GMDSS) duties many employers now expect.