The FCC reminds radio amateurs that a valid e-mail address must be used to work with the ULS. View expressed in this Amateur/Ham Radio update are those of the reporters and correspondents. Content supplied by the FCC, HQ ARRL, and W1AW. Accessed on 22 December 2020, 2324 UTC, Post 1781. Source (email message from HQ … Continue reading FCC address reminder for ULS.