The applicant must - Be 17 years of age or older. Signature of parent or legal gardian is required when an applicant is under 18 years of age. Be a United States Citizen or resident alien. Possess a station capable of operating on MARS HF frequencies. Agree to operate a minimum of 12 hours per calendar quarter with 6 hours being on HF networks.
Auxiliary membership is designated for non-operators who perform a support function.
Military station categories include active Army, Reserves, National Guard, and Corps of Engineers.