Score one point for KCTA.
KCTA may have the best daytime signal in the US. WBAP may have them beat, but it's close.
KCTA doesn't come anywhere close to having the best daytime signal in the US.
Here are the top 20 signals by square miles by daytime 2 millivolt coverage area:
1. WBAP... 820... Dallas-Ft. Worth... 45,355
2. KRVN... 880... Lexington, NE... 43,666
3. WHB... 810... Kansas City... 42,923
4. KKYX... 680... San Antonio... 40,370
5. KFYR... 550... Bismark, ND... 38,731
6. WNAX... 570... Yankton, SD... 35,544
7. KKOB... 770... Albuquerque... 33,659
8. KTNN... 660... Window Rock, AZ... 32,976
9. KGNC... 710... Amarillo... 32,787
10. KLTT... 670... Denver... 32,325
11. KKSU... 580... Manhattan, KS... 31,992
12. KDWN... 720... Las Vegas... 31,347
13. WIBW... 580... Topeka... 30,850
14. KFRM... 550... Salina, KS... 30,262
15. KRLD... 1080... Dallas-Ft. Worth... 29,793
16. KOA... 850... Denver... 29,456
17. WLW... 700... Cincinnati... 29,250
18. KSJB... 600... Jamestown, ND... 29,243
19. WSCR... 670... Chicago... 29,149
20. KNBR... 680... San Francisco... 29,103