WMEA , WMED , WMNE , WCBB , are All the same PBS ,
http://en.wikipedia.org/wiki/Maine_P...asting_Network.
And there are No receivable low band Tv stations.
So there is No requirement for any type or kind of large antenna to receive the receivable Tv stations/channels.
Here is information about , WCSH and WLBZ ,
http://en.wikipedia.org/wiki/WCSH.
A Tv antenna rotator is not required.