Tivo and Tuning Adapter Problems

I have 3 Tivos and 3 Tuning Adapters. Over the last few days, the TAs have all lost their lock, the amber light just keeps flashing. Called Cox, and they sent a tech out today. He stated that Cox has made some frequency changes in Middle Georgia, and my equipment was ok, that it is a headend issue. Anybody else in Middle Georgia having this issue, or know more about it, or when Cox will resolve the issue. Missing some of the premium channels I pay for due the this TA failing to lock issue, on 3 seperate Tivos with 3 seperate TAs on 3 different TVs.