1640 AM

The following radio stations broadcast on AM frequency 1640 kHz: 1640 AM is a Regional broadcast frequency.^[1]

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Argentina

Hosanna in Isidro Casanova

México

XECSIB-AM in Zamora, Michoacán

United States

All stations operate with 10 kW during the daytime and are Class B stations.

Call sign	City of license	Facility	Nighttime power (kW)	Transmitter coordinates
KBJA	Sandy, Utah	87119	1	40°42′47″N 111°55′53″W / 40.713056°N 111.931389°W / 40.713056; -111.931389
KDIA	Vallejo, California	87108	10	37°53′44″N 122°19′27″W / 37.895556°N 122.324167°W / 37.895556; -122.324167 (KDIA - 10 kW daytime) (daytime) 38°08′03″N 122°25′32″W / 38.134167°N 122.425556°W / 38.134167; -122.425556 (KDIA - 10 kW nighttime) (nighttime)
KDZR	Lake Oswego, Oregon	86618	1	45°27′14″N 122°32′47″W / 45.453889°N 122.546389°W / 45.453889; -122.546389
KZLS	Enid, Oklahoma	87168	1	36°06′55″N 97°45′23″W / 36.115278°N 97.756389°W / 36.115278; -97.756389
WSJP	Sussex, Wisconsin	87121	1	43°04′38″N 88°11′32″W / 43.077222°N 88.192222°W / 43.077222; -88.192222
WTNI	Biloxi, Mississippi	87159	1	30°28′27″N 88°51′23″W / 30.474167°N 88.856389°W / 30.474167; -88.856389

External links

References

Map all coordinates using: OpenStreetMap
Download coordinates as: KML GPX (all coordinates) GPX (primary coordinates) GPX (secondary coordinates)

^ "AM Station Classes, and Clear, Regional, and Local Channels". Federal Communications Commission. 2015-12-11. Retrieved 2020-12-15.

Lists of radio stations by frequency

Stations that broadcast for public reception

Continuous
wave/Morse

VLF

in kHz	17.2 20.5 23 25 25.1 25.5

LF (LW)

Radio clocks	40 50 60 60 60 66.67 68.5 77.5 77.5 100 162

By AM
frequencies

LF (LW)

Regions 1 and 3, 9 kHz spacing	153 162 164¹ 171 177¹ 180 183¹ 189 198 207 209¹ 216 225 227¹ 234 243 252 261 270 279

MF (MW)

Regions 1 and 3,
9 kHz spacing

531
540
549
558
567
576
585
594
603
612
621
630
639
648
657
666
675
684
693
702
711
720
729
738
747
756
765
774
783
792
801
810
819
828
837
846
855
864
873
882
891
900
909
918
927
936
945
954
963
972
981
990
999
1008
1017
1026
1035
1044
1053
1062
1071
1080
1089
1098
1107
1116
1125
1134
1143
1152
1161
1170
1179
1188
1197
1206
1215
1224
1233
1242
1251
1260
1269
1278
1287
1296
1305
1314
1323
1332
1341
1350
1359
1368
1377
1386
1395
1404
1413
1422
1431
1440
1449
1458
1467
1476
1485
1494
1503
1512
1521
1530
1539
1548
1557
1566
1575
1584
1593
1602
1611
1620
1629
1638
1647
1656
1665
1674
1683
1692
1701
1710

Region 2,
10 kHz spacing

High frequency
shortwave
frequencies
in MHz

120 m	2.5 2.5 2.5
90 m	3.2474 3.25 3.33
75 m	3.81 4.015 4.146 4.2075 4.213 4.363 4.372 4.387 4.414
60 m	4.8615 4.996 5 5 5 5 5 5 5.006 5.025 5.13 5.83
49 m	6.03 6.07 6.15 6.16 6.16 6.317 6.318 6.351 6.37 6.51 6.9
41 m	7.49 7.505 7.6 7.646 7.795 7.8 7.85
31 m	8.006 8.113 8.120 8.291 8.421 8.473 8.4785 8.625 8.646 8.686 8.728 8.728 8.746 8.749 8.809 9.265 9.275 9.33 9.395 9.475 9.955 9.835 9.996 10 10 10 10
25 m	12.5815 12.5905 12.6645 12.691 12.857 13.026 13.0425 13.14 13.173 13.146 13.191
19 m	14.67 14.996 15 15 15 15 15 15.42 15.65
16 m	16.809 16.905 16.957 16.9615 17.094 17.257 17.26
15 m	19.6855 20
13 m	22.3835 22.447 22.461 22.735 22.762 22.783
11 m	25

By FM
frequencies

VHF (Band I/
OIRT FM)

Regions 1 and 3, 30 kHz spacing³	65.84 74.00

VHF
(Band II/
CCIR FM)

Regions 1 and 3, 50/100 kHz spacing³	87.5 87.6 87.7 87.8 87.9 88.0 88.2 88.4 88.6 88.8 89.0 89.2 89.4 89.6 89.8 90.0 90.2 90.4 90.6 90.8 91.0 91.2 91.4 91.6 91.8 92.0 92.2 92.4 92.6 92.8 93.0 93.2 93.4 93.6 93.8 94.0 94.2 94.4 94.6 94.8 95.0 95.2 95.4 95.6 95.8 96.0 96.2 96.4 96.6 96.8 97.0 97.2 97.4 97.6 97.8 98.0 98.2 98.4 98.6 98.8 99.0 99.2 99.4 99.6 99.8 100.0 100.2 100.4 100.6 100.8 101.0 101.2 101.4 101.6 101.8 102.0 102.2 102.4 102.6 102.8 103.0 103.2 103.4 103.6 103.8 104.0 104.2 104.4 104.6 104.8 105.0 105.2 105.4 105.6 105.8 106.0 106.2 106.4 106.6 106.8 107.0 107.2 107.4 107.6 107.8 108.0
Region 2, 200 kHz spacing	87.7 87.9 88.1 88.3 88.5 88.7 88.9 89.1 89.3 89.5 89.7 89.9 90.1 90.3 90.5 90.7 90.9 91.1 91.3 91.5 91.7 91.9 92.1 92.3 92.5 92.7 92.9 93.1 93.3 93.5 93.7 93.9 94.1 94.3 94.5 94.7 94.9 95.1 95.3 95.5 95.7 95.9 96.1 96.3 96.5 96.7 96.9 97.1 97.3 97.5 97.7 97.9 98.1 98.3 98.5 98.7 98.9 99.1 99.3 99.5 99.7 99.9 100.1 100.3 100.5 100.7 100.9 101.1 101.3 101.5 101.7 101.9 102.1 102.3 102.5 102.7 102.9 103.1 103.3 103.5 103.7 103.9 104.1 104.3 104.5 104.7 104.9 105.1 105.3 105.5 105.7 105.9 106.1 106.3 106.5 106.7 106.9 107.1 107.3 107.5 107.7 107.9
Japan FM, Brazil eFM	76.1 76.2 76.3 76.4 76.5 76.6 76.7 76.8 76.9 77.0 77.1 77.2 77.3 77.4 77.5 77.6 77.7 77.8 77.9 78.0 78.1 78.2 78.3 78.4 78.5 78.6 78.7 78.8 78.9 79.0 79.1 79.2 79.3 79.4 79.5 79.6 79.7 79.8 79.9 80.0 80.1 80.2 80.3 80.4 80.5 80.6 80.7 80.8 80.9 81.0 81.1 81.2 81.3 81.4 81.5 81.6 81.7 81.8 81.9 82.0 82.1 82.2 82.3 82.4 82.5 82.6 82.7 82.8 82.9 83.0 83.1 83.2 83.3 83.4 83.5 83.6 83.7 83.8 83.9 84.0 84.1 84.2 84.3 84.4 84.5 84.6 84.7 84.8 84.9 85.0 85.1 85.2 85.3 85.4 85.5 85.6 85.7 85.8 85.9 86.0 86.1 86.2 86.3 86.4 86.5 86.6 86.7 86.8 86.9 87.0 87.1 87.2 87.3 87.4
Weather radio	162.400 162.425 162.450 162.475 162.500 162.525 162.550

¹ Non-standard frequency
² Shortwave uses a combination of AM, VSB, USB and LSB, with some NB FM 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.
⁴ See also: Template:Audio broadcasting, Apex (radio band) and OIRT

This page was last edited on 25 April 2023, at 16:23

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