Civil plane ? 3484 calling Maastricht UACC on 121.5000 MHz (Guard):
"I have some strange noise on 132.8550 MHz (sector Olno) and therefore no joy. Could you give me a new frequency?"
"Contact us on 132.7550 MHz (sector Koksy high/Nicky high)".
Maastricht UACC was not aware of any interference on 132.855. Reception on 132.775 is loud and clear.