Disclaimer: This story occurs in the world of amateur (ham) radio. Due to the purpose of the amateur radio service, outlined in FCC Part §97.1 in the US and regulated similarly in the rest of the world overseen by the ITU, users of the service have no privacy. All licensed operators are required to identify themselves with a callsign assigned by their government regulating body periodically–usually every 10 or 15 minutes depending on the country.