As I have noted here on this blog and in my Monitoring Times columns, the UHF Milair band is undergoing massive changes. For my friends in southern Mississippi, you have had a major change to some Houston (ZHU) ARTCC freqs.
327.800 Hattiesburg RCAG and W-453/Eagle G HOU ARTCC, ex-281.500 MHz.
Also the McComb RCAG on 133.500/343.950 MHz has moved to 126.800/327.800 MHz.
More changes as we receive them.