The last day of March is the last day that the Museum of Broadcast Communications will be accepting nominations for the Class of 2021. Nomination candidates in six categories—Longstanding Local/Regional (20 years +); Active Local/Regional (10 years +); Networks/Syndication (10 years +); Longstanding Network/Syndication (20 years +); Music Format On-Air Personality; Spoken Word On-Air Personality—are being accepted through March 31 at www.radiohalloffame.com.