All of your hash keys (just the keys, not the values) will be stringified in perl5, so you cannot store a filehandle (or a reference) in a hash key (a hash key is a string, not a scalar variable for general use). Try to store these somewhere else, depending on your data structure for instance:
%radar = (some_id => [$fileh, $repoch], some_other_id => [$fileh2, $re
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