Question 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?  

Choices:  
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 is  D: No additional indicator is required  

Correct answer: D — No additional indicator is required

1) Why D is correct
- FCC Part 97 (97.119) requires normal station identification with the assigned call sign at least every 10 minutes and at the end of a communication. The method of control (local, remote, automatic) does not change the required ID. If the remote transmitter is in the US, you simply ID with the appropriate call sign(s); no special “remote” or location suffix is required.

2) Why the other choices are incorrect
- A: “/” plus USPS state abbreviations is not an FCC-recognized requirement for ID. State abbreviations are not part of legal ID conventions.
- B: “/R#” is not an FCC requirement. “R” is often informally associated with repeaters, and matching the call district numeral to the transmitter’s call area is no longer required.
- C: ARRL Sections are for contest/admin purposes and are not part of FCC identification rules.

3) Useful rules and tips
- Required ID timing: identify with your assigned call sign at least every 10 minutes and at the end of the contact.
- If you are operating someone else’s station (including via remote), the station must transmit both the station licensee’s call sign and the control operator’s call sign. Either order and various formats (spoken or slashed) are acceptable per 97.119.
- Optional indicators (e.g., /P, /M, a call area like /7, or location indicators such as KH6/W1ABC) may be used to clarify location or status, but they are not required within the US.
- If the transmitter is outside the US, follow the host country’s rules (often a required host-country prefix such as F/W1ABC).