AM radio frequency
The following radio stations broadcast on AM frequency 680 kHz :[ 1] clear-channel frequency.[ 2] KNBR and KBRW share Class A status on 680 kHz. WRKO , WPTF , CJOB and CFTR also broadcast on 680 kHz, with 50,000 watts at all times, but are class B.
In the United States [ edit ] Stations in bold are clear-channel stations .
Call sign City of license Facility ID Class Daytime power (kW) Nighttime power (kW) Unlimited power (kW) Transmitter coordinates KBRD Lacey, Washington 26893 D 0.25 47°03′44″N 122°49′49″W / 47.062222°N 122.830278°W / 47.062222; -122.830278 (KBRD - 0.25 kW daytime ) KBRW Barrow, Alaska 60375 A 10 10 71°15′24″N 156°31′32″W / 71.256667°N 156.525556°W / 71.256667; -156.525556 (KBRW - 10 kW daytime, 10 kW nighttime ) KFEQ St. Joseph, Missouri 34419 B 5 5 39°49′43″N 94°48′20″W / 39.828611°N 94.805556°W / 39.828611; -94.805556 (KFEQ - 5 kW daytime, 5 kW nighttime ) KKGR East Helena, Montana 49725 D 5 46°34′08″N 111°54′32″W / 46.568889°N 111.908889°W / 46.568889; -111.908889 (KKGR - 5 kW daytime ) KKYX San Antonio, Texas 48273 B 50 10 29°30′03″N 98°49′54″W / 29.500833°N 98.831667°W / 29.500833; -98.831667 (KKYX - 50 kW daytime, 10 kW nighttime ) KNBR San Francisco, California 35208 A 50 37°32′50″N 122°14′00″W / 37.547222°N 122.233333°W / 37.547222; -122.233333 (KNBR - 50 kW unlimited ) KOMW Omak, Washington 49163 D 5 48°23′40″N 119°32′00″W / 48.394444°N 119.533333°W / 48.394444; -119.533333 (KOMW - 5 kW daytime ) KWKA Clovis, New Mexico 14748 B 0.5 34°21′48″N 103°13′05″W / 34.363333°N 103.218056°W / 34.363333; -103.218056 (KWKA - 0.5 kW unlimited ) WBQN San Juan, Puerto Rico 8889 B 10 9.5 18°24′16″N 65°56′52″W / 18.404444°N 65.947778°W / 18.404444; -65.947778 (WBQN - 10 kW daytime, 9.5 kW nighttime ) WCBM Baltimore, Maryland 4759 B 50 20 39°22′27″N 76°51′29″W / 39.374167°N 76.858056°W / 39.374167; -76.858056 (WCBM - 50 kW daytime, 20 kW nighttime ) WCNN North Atlanta, Georgia 56389 B 50 10 33°57′42″N 84°15′48″W / 33.961667°N 84.263333°W / 33.961667; -84.263333 (WCNN - 50 kW daytime, 10 kW nighttime ) WCTT Corbin, Kentucky 14361 B 0.77 0.83 36°54′09″N 84°04′50″W / 36.9025°N 84.080556°W / 36.9025; -84.080556 (WCTT - 0.77 kW daytime, 0.83 kW nighttime ) WDBC Escanaba, Michigan 35115 B 6 1 45°45′47″N 87°05′41″W / 45.763056°N 87.094722°W / 45.763056; -87.094722 (WDBC - 6 kW daytime, 1 kW nighttime ) WGES St. Petersburg, Florida 74558 D 0.8 0.14 27°51′23″N 82°37′26″W / 27.856389°N 82.623889°W / 27.856389; -82.623889 (WGES - 0.8 kW daytime, 0.14 kW nighttime ) WHBE Newburg, Kentucky 56520 B 1 0.45 38°05′31″N 85°40′56″W / 38.091944°N 85.682222°W / 38.091944; -85.682222 (WHBE - 1 kW daytime, 0.45 kW nighttime ) WINR Binghamton, New York 67191 B 5 0.5 42°06′53″N 75°51′16″W / 42.114722°N 75.854444°W / 42.114722; -75.854444 (WINR - 5 kW daytime, 0.5 kW nighttime ) WISR Butler, Pennsylvania 7900 D 0.25 0.05 40°52′39″N 79°54′09″W / 40.8775°N 79.9025°W / 40.8775; -79.9025 (WISR - 0.25 kW daytime, 0.05 kW nighttime ) WKAZ Charleston, West Virginia 71662 B 10 0.221 38°19′07″N 81°32′28″W / 38.318611°N 81.541111°W / 38.318611; -81.541111 (WKAZ - 10 kW daytime, 0.221 kW nighttime ) WMFS Memphis, Tennessee 34374 B 8 5 35°13′22″N 90°02′37″W / 35.222778°N 90.043611°W / 35.222778; -90.043611 (WMFS - 8 kW daytime, 5 kW nighttime ) WNZK Dearborn Heights, Michigan 5348 B 2.5 42°05′55″N 83°19′48″W / 42.098611°N 83.33°W / 42.098611; -83.33 (WNZK - 2.5 kW nighttime ) WOGO Hallie, Wisconsin 63427 B 2.5 0.5 44°53′22″N 91°23′03″W / 44.889444°N 91.384167°W / 44.889444; -91.384167 (WOGO - 2.5 kW daytime, 0.5 kW nighttime ) WPTF Raleigh, North Carolina 21630 B 50 50 35°47′38″N 78°45′41″W / 35.793889°N 78.761389°W / 35.793889; -78.761389 (WPTF - 50 kW daytime, 50 kW nighttime ) WRKO Boston, Massachusetts 1902 B 50 50 42°29′25″N 71°13′05″W / 42.490278°N 71.218056°W / 42.490278; -71.218056 (WRKO - 50 kW daytime, 50 kW nighttime )
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