I've been investigating the NC-1 site:
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?f=q&hl=en&geocode=&q=N+35%C2%B0+46.846+W+079%C2%B0+04.613&ie=UTF8&ll=35.782501,-79.073946&spn=0.00611,0.010042&t=k&z=17&om=1 Since AUTOVON has been replaced, why are these facilities still in operation? What are the microwave towers doing?