RTE‘s only LW/MW transmitter, the 252 LW RTE Radio 1 is scheduled to be off the air for almost 2 months this summer for mast “essential maintenance”.
According to RTE TV Teletext Page 169 (engineering info) the shutdown is from 15th June to 12th August 2021.
https://forums.digitalspy.com/discussion/comment/98962205#Comment_98962205
Digital Spy Forum, May 23 2021
Mike Terry to Longwavelistening (2021-05-23)