*Question E1C03:
[97.303(g)] How long must an operator wait after filing a notification with the Utilities Technology Council (UTC) before operating on the 2200-meter or 630-meter band?*  

*Correct Answer is  B: Operators may operate after 30 days, providing they have not been told that their station is within 1 kilometer of PLC systems using those frequencies*  

### AI Response: (may contain errors)  

The correct answer to the question about operating on the 2200-meter or 630-meter band after filing a notification with the Utilities Technology Council (UTC) is:

**B: Operators may operate after 30 days, providing they have not been told that their station is within 1 kilometer of PLC systems using those frequencies.**

### Explanation of the Correct Answer:
- **Regulatory Requirement**: According to FCC regulations, after notifying the UTC, operators must wait 30 days before they can begin operations on these bands. This waiting period allows for any potential interference issues with Power Line Carrier (PLC) systems to be assessed.
- **1 Kilometer Rule**: If the operator is informed that their station is within 1 kilometer of PLC systems using those frequencies, they must refrain from operating until further notice. This is to prevent interference with PLC communications.

### Why the Other Choices are Incorrect:
- **A: Operators must not operate until approval is received**  
  - This is incorrect because the regulation specifies a waiting period of 30 days, not until explicit approval is received.
  
- **C: Operators may not operate until a test signal has been transmitted in coordination with the local power company**  
  - This is incorrect as there is no requirement for a test signal to be coordinated with the local power company before operating. The 30-day waiting period suffices unless notified otherwise.
  
- **D: Operations may commence immediately, and may continue unless interference is reported by the UTC**  
  - This is incorrect because operators must wait 30 days after notification before commencing operations, regardless of interference reports.

### Summary:
- **Key Rule**: Wait 30 days after notifying UTC.
- **Proximity to PLC**: If within 1 kilometer of PLC systems, do not operate until further notice.

This understanding is crucial for compliance with FCC regulations and ensuring that amateur operations do not interfere with critical PLC communications.