E2C01 — Amateur Extra Class

E2C01 : What indicator is required to be used by US-licensed operators when operating a station via remote control and the remote transmitter is located in the US?
A / followed by the USPS two-letter abbreviation for the state in which the remote station is located
B /R# where # is the district of the remote station
C / followed by the ARRL Section of the remote station
D No additional indicator is required
Correct Answer: No additional indicator is required