Surprisingly, there are quite a few separate daytime and nightime sites, 53 pairs in all.
Looks like the record for distance goes to KMJE-890, Olivehurst, CA (near Sacramento), at 43.6 miles distant between daytime (10 KW) and nighttime (480 watts) arrays. Coincidentally, both arrays are 3 towers. The daytime array is in Sacramento and the nighttime array is in Yuba City, near Olivehurst. The daytime array pushes its signal northeast, the nighttime array to the southwest.
Here's the list of currently licensed stations having different daytime/nighttime locations.
Compilation date: 04/20/2016 FCC Database: 04/18/2016 ------------------------------------------------------------------------------------------------ CallSign Frequency Power Class Location Towers Latitude Longitude ------------------------------------------------------------------------------------------------ (D)WRDT 560.000 500 D Monroe, MI 4 41.89111111 -83.4275 (N)WRDT 560.000 14 D Monroe, MI 1 42.45361111 -83.16388889 (D)WNSR 560.000 4500 D Brentwood, TN 4 35.90888889 -86.77027778 (N)WNSR 560.000 75 D Brentwood, TN 1 36.14111111 -86.75638889 (D)WGAC 580.000 5000 B Augusta, GA 1 33.51222222 -82.08 (N)WGAC 580.000 840 B Augusta, GA 4 33.52472222 -81.90861111 (N)WXVA 610.000 500 B Winchester, VA 4 39.19805556 -78.22027778 (D)WXVA 610.000 380 B Winchester, VA 1 39.12388889 -78.21222222 (N)WUNO 630.000 5000 B San Juan, PR 2 18.44972222 -66.27277778 (D)WUNO 630.000 5000 B San Juan, PR 2 18.43305556 -66.27277778 (D)WOKV 690.000 50000 B Jacksonville, FL 1 30.13222222 -81.7 (N)WOKV 690.000 25000 B Jacksonville, FL 6 30.30777778 -81.93972222 (N)KXMR 710.000 4000 B Bismarck, ND 4 46.66888889 -100.77583333 (D)KXMR 710.000 50000 B Bismarck, ND 3 46.83444444 -100.52194444 (D)WVNN 770.000 7000 B Athens, AL 1 34.74972222 -86.79861111 (N)WVNN 770.000 250 B Athens, AL 4 34.83916667 -86.92888889 (D)WCPT 820.000 5800 B Willow Springs, IL 1 41.98138889 -87.77222222 (N)WCPT 820.000 1500 B Willow Springs, IL 6 41.54166667 -88.03416667 (N)KTRB 860.000 50000 B San Francisco, CA 4 37.59277778 -121.77416667 (D)KTRB 860.000 50000 B San Francisco, CA 1 37.6325 -122.12972222 (N)KPRM 870.000 1000 B Park Rapids, MN 3 46.905 -95.01777778 (D)KPRM 870.000 50000 B Park Rapids, MN 1 46.92833333 -95.00611111 (N)WHCU 870.000 1000 B Ithaca, NY 3 42.36305556 -76.60611111 (D)WHCU 870.000 5000 B Ithaca, NY 1 42.465 -76.37305556 (N)KMJE 890.000 480 B Olivehurst, CA 3 39.13833333 -121.55416667 (D)KMJE 890.000 10000 B Olivehurst, CA 3 38.50805556 -121.57944444 (D)KYWN 890.000 50000 B Meridian, ID 1 43.46027778 -116.24138889 (N)KYWN 890.000 250 B Meridian, ID 2 43.54944444 -116.41055556 (N)WLTP 910.000 40 D Marietta, OH 1 39.28972222 -81.52666667 (D)WLTP 910.000 5000 D Marietta, OH 2 39.36333333 -81.50277778 (D)KVIN 920.000 500 B Ceres, CA 3 37.59694444 -121.07083333 (N)KVIN 920.000 2500 B Ceres, CA 3 37.63194444 -120.75166667 (D)WMOK 920.000 1000 B Metropolis, IL 1 37.15333333 -88.70916667 (N)WMOK 920.000 750 B Metropolis, IL 4 37.14888889 -88.63611111 (D)WMIX 940.000 5000 B Mount Vernon, IL 2 38.37055556 -88.92333333 (N)WMIX 940.000 1500 B Mount Vernon, IL 5 38.35416667 -89.00805556 (D)WKGM 940.000 10000 B Smithfield, VA 1 36.95444444 -76.63 (N)WKGM 940.000 3100 B Smithfield, VA 4 37.0975 -76.67111111 (N)WNTD 950.000 5000 B Chicago, IL 6 41.63666667 -87.55277778 (D)WNTD 950.000 1000 B Chicago, IL 1 41.86083333 -87.68666667 (N)WKDN 950.000 21000 B Philadelphia, PA 4 40.15416667 -75.36944444 (D)WKDN 950.000 43000 B Philadelphia, PA 3 39.97444444 -75.27194444 (D)WFIR 960.000 10000 B Roanoke, VA 1 37.3025 -80.04027778 (N)WFIR 960.000 5000 B Roanoke, VA 2 37.25527778 -79.95944444 (N)KSVC 980.000 1000 B Richfield, UT 2 38.76111111 -112.07638889 (D)KSVC 980.000 10000 B Richfield, UT 1 38.78805556 -112.01166667 (D)KBBW 1010.000 10000 B Waco, TX 3 31.56833333 -97.00027778 (D)KLAT 1010.000 5000 B Houston, TX 6 29.89638889 -95.29027778 (N)KBBW 1010.000 2500 B Waco, TX 6 31.50194444 -96.965 (N)KLAT 1010.000 3600 B Houston, TX 6 29.86222222 -95.51166667 (D)KJPG 1050.000 10000 D Frazier Park, CA 3 35.02444444 -118.91805556 (N)KJPG 1050.000 7 D Frazier Park, CA 1 35.40194444 -119.04638889 (N)KRCN 1060.000 111 D Longmont, CO 1 40.19111111 -105.12638889 (D)KRCN 1060.000 50000 D Longmont, CO 1 40.28083333 -104.94027778 (D)WYLL 1160.000 50000 B Chicago, IL 2 42.04166667 -87.86583333 (N)WYLL 1160.000 50000 B Chicago, IL 6 41.57305556 -87.99361111 (N)KVCE 1160.000 1000 B Highland Park, TX 6 33.03916667 -96.94277778 (D)KVCE 1160.000 35000 B Highland Park, TX 6 33.17694444 -97.67666667 (N)KFXR 1190.000 5000 B Dallas, TX 12 32.89916667 -96.41305556 (D)KFXR 1190.000 50000 B Dallas, TX 4 32.78611111 -96.95 (N)KRPU 1210.000 500 B Rocklin, CA 1 38.73083333 -121.31888889 (N)KQEQ 1210.000 370 B Fowler, CA 1 36.66027778 -119.68361111 (D)KQEQ 1210.000 5000 B Fowler, CA 3 36.77055556 -119.92222222 (D)KRPU 1210.000 5000 B Rocklin, CA 6 38.46277778 -121.13027778 (N)WILY 1210.000 3 D Centralia, IL 1 38.52444444 -89.13416667 (D)WILY 1210.000 10000 D Centralia, IL 2 38.48194444 -89.14888889 (N)KMIA 1210.000 10000 B Auburn-Federal Way, WA 4 47.3 -122.18805556 (D)KMIA 1210.000 27500 B Auburn-Federal Way, WA 2 47.30555556 -122.24805556 (D)KZDC 1250.000 25000 B San Antonio, TX 4 29.28361111 -98.47444444 (N)KZDC 1250.000 920 B San Antonio, TX 4 29.49694444 -98.41583333 (D)KKDZ 1250.000 5000 B Seattle, WA 1 47.56361111 -122.35972222 (N)KKDZ 1250.000 5000 B Seattle, WA 4 47.67305556 -122.16888889 (D)KCTC 1320.000 5000 B West Sacramento, CA 3 38.63638889 -121.5525 (N)KCTC 1320.000 5000 B West Sacramento, CA 4 38.71166667 -121.32888889 (D)WEBY 1330.000 25000 D Milton, FL 2 30.51805556 -87.08222222 (N)WEBY 1330.000 79 D Milton, FL 1 30.62 -87.0225 (N)WGBN 1360.000 1000 B Mckeesport, PA 4 40.31138889 -79.84972222 (D)WGBN 1360.000 5000 B Mckeesport, PA 1 40.40833333 -79.92777778 (D)WLTH 1370.000 1000 B Gary, IN 1 41.57138889 -87.31722222 (N)WLTH 1370.000 500 B Gary, IN 4 41.53944444 -87.3 (N)WQLL 1370.000 24000 B Pikesville, MD 6 39.40805556 -76.77555556 (D)WQLL 1370.000 50000 B Pikesville, MD 6 39.43972222 -76.35555556 (N)KTKZ 1380.000 5000 B Sacramento, CA 4 38.5575 -121.18083333 (D)KTKZ 1380.000 5000 B Sacramento, CA 3 38.50805556 -121.57944444 (D)KXFN 1380.000 5000 B St. Louis, MO 3 38.75027778 -90.16277778 (N)KXFN 1380.000 1000 B St. Louis, MO 4 38.52416667 -90.23805556 (N)WNLA 1380.000 44 D Indianola, MS 1 33.45888889 -90.62916667 (D)WNLA 1380.000 500 D Indianola, MS 1 33.47805556 -90.64111111 (D)WLCM 1390.000 5000 B Holt, MI 2 42.56722222 -84.86611111 (N)WLCM 1390.000 4500 B Holt, MI 4 42.55194444 -84.55138889 (N)WNIO 1390.000 4800 B Youngstown, OH 6 40.98638889 -80.59833333 (D)WNIO 1390.000 9500 B Youngstown, OH 1 41.12138889 -80.70138889 (D)WAMV 1420.000 2200 D Amherst, VA 1 37.53972222 -79.05277778 (N)WAMV 1420.000 47 D Amherst, VA 1 37.53972222 -79.09166667 (D)WLXN 1440.000 5300 B Lexington, NC 1 35.92033333 -80.25058333 (N)WLXN 1440.000 1000 B Lexington, NC 3 35.83227778 -80.28722222 (D)WHBC 1480.000 15000 B Canton, OH 4 40.8975 -81.31944444 (N)WHBC 1480.000 5000 B Canton, OH 5 40.72083333 -81.44111111 (D)KZNX 1530.000 10000 D Creedmoor, TX 4 30.07722222 -97.63555556 (N)KZNX 1530.000 220 D Creedmoor, TX 4 30.34555556 -97.63444444 (N)WVOK 1580.000 22 D Oxford, AL 1 33.44861111 -86.065 (D)WVOK 1580.000 2500 D Oxford, AL 1 33.59083333 -85.83166667 (D)KDIA 1640.000 10000 B Vallejo, CA 1 37.89555556 -122.32416667 (N)KDIA 1640.000 10000 B Vallejo, CA 4 38.13416667 -122.42555556 (D)KKLF 1700.000 10000 B Richardson, TX 1 33.42305556 -96.6625 (N)KKLF 1700.000 1000 B Richardson, TX 1 33.12138889 -96.58194444 Notes: Number of items listed: 106 Callsign prefix:(U)UNLIMITED, (D)DAYTIME, (N)NIGHTTIME, (C)CRITICAL HOURSInteresting!
1 comment:
out of all these small radios audiomax srw810 with its 3watt speeker and added bass booster at the rear gives very good sond with additional advantge of recording on tf card.The radios sensitivity is quite good
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