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?

1. A/ followed by the USPS two-letter abbreviation for the state in which the remote station is located
2. B/R# where # is the district of the remote station
3. C/ followed by the ARRL Section of the remote station
4. DNo additional indicator is required

Pick an answer to check it.