On Nov. 11, 1928, the U.S. implemented General Order 40, classifying AM allocations as local, regional or clear channel. Radio fans refer to clear channel stations as "flamethrowers" or "blowtorches" because of their high power -- 50,000 watts.
LIST AS OF 2013:
(*) designates full power stations on same frequencyLIST AS OF 2013:
(Class B) denotes lower power station on same frequency
540 CBK, Watrous, Saskatchewan, Canada
640 KFI, Los Angeles, CA
650 WSM, Nashville, TN
*660 WFAN, New York, NY
*660 CFFR, Calgary, Alberta Canada
670 WMAQ, Chicago, IL (KBOI, Boise, Idaho: Class B)
*680 KNBR, San Francisco, CA
*680 CJOB, Winnipeg, Alberta Canada
*680 CFTR, Toronto, Ontario, Canada
700 WLW, Cincinatti, OH
710 WOR, New York, NY
710 KIRO, Seattle, WA
720 WGN, Chicago, IL (KDWN, Las Vegas, NV: Class B)
730 CKAC, Montreal Quebec, Canada
750 WSB, Atlanta, GA
760 WJR, Detroit, MI
*770 WABC, New York, NY (KKOB, Albuquerque, NM: Class B)
*770 CHQR, Calgara, Alberta, Canada
*780 WBBM, Chicago, IL (KKOH, Reno, NV: Class B)
*780 CFDR Dartmouth, Nova Scoia, Canada
810 KGO, San Francisco, CA
810 WGY, Schenectady, NY
820 WBAP, Fort Worth, TX
830 WCCO, Minneapolis, MN
840 WHAS, Louisville, KY
850 KOA, Denver, CO
860 CJBC, Toronto Ontario, Canada
870 WWL, New Orleans, LA
*880 WCBS, New York, NY (KRVN, Lexington, NE: Class B)
*880 CHQT, Edmonton, Alberta, Canada
890 WLS, Chicago, IL (KDXU, St. George, UT: Class B)
990 CBW, Winnipeg, Manitoba, Canada
*1000 WLUP, Chicago, IL
*1000 KOMO, Seattle, WA
1010 CBR, Calgary, Alberta, Canada
1020 KDKA, Pittsburgh, PA (KCKN, Roswell, NM Class B)
1030 WBZ, Boston, MA (KTWO, Casper, WY: Class B)
1040 WHO, Des Moines, IA
*1060 KYW, Philadelphia, PA
*1060 CKMX Calgary, Alberta, Canada
*1070 KNX, Los Angeles, CA
*1070 CBA Moncton, New Brunswick, Canada
*1080 WTIC, Hartford, CT
*1080 KRLD, Dallas, TX
*1090 KAAY, Little Rock, AR
*1090 WBAL, Baltimore, MD
1100 WTAM, Cleveland, OH (KNZZ, Grand Junction, CO: Class B)
*1110 WBT, Charlotte, NC
*1110 KFAB, Omaha, NE
1120 KMOX, St. Louis, MO (KPNW, Eugene, OR: Class B)
*1130 KWKH, Shreveport, LA
*1130 WBBR, New York, NY
*1130 CKWX, Vancouver, British Columbia, Canada
1140 WRVA, Richmond, VA
1160 KSL, Salt Lake City, UT
*1170 KVOO, Tulsa, OK
*1170 WWVA, Wheeling, WV
1180 WHAM, Rochester, NY (KOFI, Kalispell, MT: Class B)
1190 KEX, Portland, OR
*1200 WOAI, San Antonio, TX
*1200 CFGO, Ottawa, Ontario, Canada
1210 WPHT, Philadelphia, PA (KGYN, Guymon, OK: Class B)
*1500 WFED, Washington, DC
*1500 KSTP, St. Paul, MN
*1510 WLAC, Nashville, TN
*1510 KGA, Spokane, WA
*1520 WWKB, Buffalo, NY
*1520 KOMA, Oklahoma City, OK
*1530 KFBK, Sacramento, CA
*1530 WCKY, Cincinatti, OH
1540 KXEL, Waterloo, IA
*1560 KNZR, Bakersfield, CA
*1560 WQEW, New York, NY
