PA51184392 is an audio clip.
In the clip there is static and Morse code going through it.
The Morse code message is:
"CQCQCQ DE YF4 OTPST E NVSCOT UF YF4OTPOST
Last transmission refuted. Information deemed improbable to impossible. The scope and magnitude of your description does not register. Last resort defense initiative uncalled for. Please clarify statement and resend."