You should have heard the fights for 6955 when WBCQ took over 7415. A few months later a Chilean broadcaster set up on 6956.5 running just enough power to render 6955 useless. Everyone headed to either the secondary freq. of 6950 and 6925 came into play, or 6924.3 for me as that's where my WWII surplus xtal for 6925 oscillated. Pirates were broadcasting from 6850 to 6950.
Whatever is on 6931 now has a nice signal. It sounds like the male and female who are normally behind the mic for Indy, but the band is noisy and the other station while weaker, is still mixing in.