On 11 Oct, 12:15, The Natural Philosopher
wrote:

So, how do presumably metal or carbon fibre blades thwacking past or
around a microwave tower affect its transmission and reception?

Point-to-point microwave isn't arranged to run through windmills.

Broadcast microwave (i.e. cellphone) doesn't care. Diverse paths (the
relevant scale at these wavelengths is far smaller than the blades)
cope fine.