E1C03

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?

1. AOperators must not operate until approval is received
2. BOperators may operate after 30 days, providing they have not been told that their station is within 1 kilometer of PLC systems using those frequencies
3. COperators may not operate until a test signal has been transmitted in coordination with the local power company
4. DOperations may commence immediately, and may continue unless interference is reported by the UTC

Pick an answer to check it.