Which of the following U.S. amateur radio operators are allowed to contact the International Space Station (ISS) on VHF bands?
Only amateurs with a General class or higher license
Any amateur with a Technician class or higher license✓الإجابة الصحيحة
Only amateurs with a General class or higher license, and NASA approval
Any amateurs with a Technician class or higher license, and NASA approval
الشرح
The ISS amateur station works in the 2 meter band, where every Technician and higher class operator already holds full privileges. NASA approval is only needed to retransmit manned spacecraft communications, not to make a normal two-way contact.