WQMN 1690 AM Missouri City Radio is the emergency advisory radio station for Missouri City, Texas, broadcasting 24 hours a day on the AM frequency ... See more 1690 kHz, as licensed by the FCC. In the event of an emergency situation, the station will carry public safety information, instructions, advisories, and announcements. The current programming includes local announcements at the top and the bottom of every hour and National Oceanic and Atmospheric Administration (NOAA) weather radio every quarter after and quarter till the hour.