The signal challenged 90.1 WABE has just filed an application to upgrade their signal. The upgrade would still keep the signal directional but would upgrade to a C0 from the current C1. The transmitter would move to an existing tower.
http://fjallfoss.fcc.gov/prod/cdbs/forms/prod/getattachment_exh.cgi?exhibit_id=520962
http://fjallfoss.fcc.gov/prod/cdbs/forms/prod/getattachment_exh.cgi?exhibit_id=520962