E1D05 : What must be posted at the location of a station being operated by telecommand on or within 50 kilometers of the Earths surface?
A
A photocopy of the station license
B
A label with the name, address, and telephone number of the station licensee
C
A label with the name, address, and telephone number of the control operator
D
All these choices are correct
Correct Answer: All these choices are correct