The best road to progress is freedom's road. - JFK
Texas
AM radio frequency
The following radio stations broadcast on AM frequency 780 kHz: There are only eight stations in the 48 contiguous United States plus one in Alaska which are authorized to broadcast on 780 AM during nighttime hours. 780 AM is a United States clear-channel frequency.[1]WBBMChicago and KNOMNome, Alaska, share Class A status of 780 kHz.[2]
2 Shortwave uses a combination of AM, VSB, USB and LSB, with some NBFM and CW/morse code (in the case of time signal stations) as well as numerous frequencies, depending on the time of day/night, season, and solar activity level. A reasonably full list from 16 kHz to 27MHz can be found at [1]
3 Regions 1 and 3 also use Region 2's frequencies as well, with 50 to 100 kHz spacing.