E2C13 (D)
What indicator is required to be used by U.S.-licensed operators when operating a station via remote control where the transmitter is located in the U.S.?
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. The ARRL section of the remote station
D. No additional indicator is required
