AM towers can broadcast more than one frequency at a time, but I&#x27;m not sure how common it is in practice.<p><a href="http:&#x2F;&#x2F;www.radioworld.com&#x2F;article&#x2F;four-am-stations-sharing-one-site&#x2F;220752" rel="nofollow">http:&#x2F;&#x2F;www.radioworld.com&#x2F;article&#x2F;four-am-stations-sharing-o...</a>