What must be posted at the location of a station being operated by telecommand on or within 50 kilometers of the Earth’s surface?
A photocopy of the station license
A label with the name, address, and telephone number of the station licensee
A label with the name, address, and telephone number of the control operator
All these choices are correct✓الإجابة الصحيحة
الشرح
The telecommand rule calls for all three items at the station location: a photocopy of the station license, plus a label carrying the name, address and telephone number of the station licensee and of at least one designated control operator.