Some MW stations in our area are now using IBOC and it's a mess. Tuning around found a few stations splattered with the garbage being sent out from the "HD" stations.
Also stations in Canada may start bitching soon...
Link: AM Stations may be affected by U.S.A. HD Radio
Also stations in Canada may start bitching soon...
Link: AM Stations may be affected by U.S.A. HD Radio