E2C01 (D)
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
