Which amateur stations are eligible to operate as Earth stations?
Any amateur licensee who has successfully completed the AMSAT space communications course
Only those of General, Advanced or Amateur Extra class operators
Only those of Amateur Extra class operators
Any amateur station, subject to the privileges of the class of operator license held by the control operator✓Respuesta correcta
Explicación
Any amateur station may be an Earth station, and a holder of any class of operator license may be its control operator, limited only by that class's own privileges. There is no minimum license class and no course requirement.