Cecil Moore wrote:

The question arose in
my mind whether to connet the drooping elevated radials
to the tower or not. To my surprise, EZNEC says that RF
current flows in the tower whether the radials are
connected to the tower or not.
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There's no reason for the tower to be part of the antenna, so I would
suggest not connecting them. Some current will flow in the tower due to
close proximity induction, but don't make it worse than necessary.
Hopefully the tower is not resonant on any band to avoid additional
losses.

Bill, W6WRT