Are there any linked Issues or Pull Requests?
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Brief description
AJH added RADAER into lfric some time ago, with technical debt, see https://code.metoffice.gov.uk/trac/lfric/ticket/2488
One part of that technical debt was that RADAER was hard coded to have a fixed GLOMAP setting (i_mode_setup==8 in UM world)
Flexibility is now required, but fortunately LFRic has some additional features not available at the inclusion of radaer which should make this function better.
Further details of the issue.
No response