Loran line frequencies in LF amateur subbands
(DF6NM, updated 2013-11-04)

======================================================
Narrowband slots (Hz):
______________________________________________________
137772-137782: TA waterhole
137600-137625: WSPR-15
137500-137600: Opera-32
136168-136176: Eu slot

======================================================
Loran-C Chains and RX target areas:
______________________________________________________
GRI 8000 (Western Russia:
Bryansk, Petrozavodsk,Slonim, Simferopol, Syzran)

East and Central Europe

137781.25
137775

137625
137618.75
137612.5
137606.25
137600
137593.75
137587.5
137581.25
137575
137568.75
137562.5
137556.25
137550
137543.75
137537.5
137531.25
137525
137518.75
137512.5
137506.25
137500

136175
136168.75
______________________________________________________
GRI 6731 (Lessay, Soustons, Anthorn, Sylt)

Central and West Europe, UK

137780.419
137772.9906

137624.4243
137616.996
137609.5677
137602.1394
137594.711
137587.2827
137579.8544
137572.4261
137564.9978
137557.5695
137550.1411
137542.7128
137535.2845
137527.8562
137520.4279
137512.9996
137505.5712

136175.9025
136168.4742
______________________________________________________
GRI 7499 (Sylt, Lessay, Verlandet)

Central Europe

137778.3704

137618.3491
137611.6816
137605.014
137598.3464
137591.6789
137585.0113
137578.3438
137571.6762
137565.0087
137558.3411
137551.6736
137545.006
137538.3384
137531.6709
137525.0033
137518.3358
137511.6682
137505.0007

136171.4895
______________________________________________________
GRI 9007 (Eide, Jan Mayen, Bo, Vaerlandet)

Northwest Europe

137781.7253
137776.1741

137620.7394
137615.1882
137609.6369
137604.0857
137598.5345
137592.9832
137587.432
137581.8808
137576.3295
137570.7783
137565.227
137559.6758
137554.1246
137548.5733
137543.0221
137537.4709
137531.9196
137526.3684
137520.8171
137515.2659
137509.7147
137504.1634

136171.8663
______________________________________________________
GRI 7001 (Bo, Jan Mayen, Berlevag)

North and Northwest Europe

137780.3171
137773.1753

137623.1967
137616.0548
137608.913
137601.7712
137594.6293
137587.4875
137580.3457
137573.2038
137566.062
137558.9202
137551.7783
137544.6365
137537.4946
137530.3528
137523.211
137516.0691
137508.9273
137501.7855

136173.4038
______________________________________________________
GRI 8830 (Saudi Arabia:
Afif, Salva, Al Kh0amasin, Ash Shaykh, Al Muwassam)

Middle East, Israel

137780.2945
137774.6319

137621.7441
137616.0815
137610.419
137604.7565
137599.094
137593.4315
137587.769
137582.1065
137576.4439
137570.7814
137565.1189
137559.4564
137553.7939
137548.1314
137542.4689
137536.8063
137531.1438
137525.4813
137519.8188
137514.1563
137508.4938
137502.8313

136172.1404
______________________________________________________
GRI 5960 (Inta, Tumanny Peninsula, Norilsk)

North Russia

137776.8456

137617.4497
137609.0604
137600.6711
137592.2819
137583.8926
137575.5034
137567.1141
137558.7248
137550.3356
137541.9463
137533.557
137525.1678
137516.7785
137508.3893
137500

136174.4966
______________________________________________________
GRI 5980 (East Russia: Petropavlovsk, Alexandrowsk)

Northeast Asia

137775.9197

137617.0569
137608.6957
137600.3344
137591.9732
137583.612
137575.2508
137566.8896
137558.5284
137550.1672
137541.806
137533.4448
137525.0836
137516.7224
137508.3612
137500

136170.5686
______________________________________________________
GRI 5990 (Caucasus)

South Russia (daytime)

137779.6327

137621.0351
137612.6878
137604.3406
137595.9933
137587.6461
137579.2988
137570.9516
137562.6043
137554.2571
137545.9098
137537.5626
137529.2154
137520.8681
137512.5209
137504.1736

136168.6144
______________________________________________________
GRI 6000 (BPL Pucheng)

China

137775

137625
137616.6667
137608.3333
137600
137591.6667
137583.3333
137575
137566.6667
137558.3333
137550
137541.6667
137533.3333
137525
137516.6667
137508.3333
137500

136175
______________________________________________________
GRI 6780 (Hexian, Raoping, Chongzuo)

China

137780.236
137772.8614

137617.9941
137610.6195
137603.2448
137595.8702
137588.4956
137581.1209
137573.7463
137566.3717
137558.9971
137551.6224
137544.2478
137536.8732
137529.4985
137522.1239
137514.7493
137507.3746
137500

136172.5664
______________________________________________________
GRI 7430 (Rongcheng, Xuangcheng, Helong)

China

137779.2732
137772.5437

137624.4953
137617.7658
137611.0363
137604.3069
137597.5774
137590.8479
137584.1184
137577.389
137570.6595
137563.93
137557.2005
137550.4711
137543.7416
137537.0121
137530.2826
137523.5532
137516.8237
137510.0942
137503.3647

136170.9287
______________________________________________________
GRI 8390 (Xuangcheng, Raoping, Rongcheng)

China

137777.1156

137622.1692
137616.2098
137610.2503
137604.2908
137598.3313
137592.3719
137586.4124
137580.4529
137574.4934
137568.534
137562.5745
137556.615
137550.6555
137544.6961
137538.7366
137532.7771
137526.8176
137520.8582
137514.8987
137508.9392
137502.9797

136174.0167
136168.0572
______________________________________________________
GRI 8930 (Niijima, Gesashi,Tokachibuto, Pohang)

Japan, Korea

137777.1557

137620.3807
137614.7816
137609.1825
137603.5834
137597.9843
137592.3852
137586.7861
137581.187
137575.5879
137569.9888
137564.3897
137558.7906
137553.1915
137547.5924
137541.9933
137536.3942
137530.7951
137525.196
137519.5969
137513.9978
137508.3987
137502.7996

136175.8119
136170.2128
______________________________________________________
GRI 9930 (Pohang, Kwang Ju, Gesashi, Niijima, Ussuriisk)

Japan, Korea

137779.4562
137774.4209

137623.3635
137618.3283
137613.2931
137608.2578
137603.2226
137598.1873
137593.1521
137588.1168
137583.0816
137578.0463
137573.0111
137567.9758
137562.9406
137557.9053
137552.8701
137547.8348
137542.7996
137537.7644
137532.7291
137527.6939
137522.6586
137517.6234
137512.5881
137507.5529
137502.5176

136173.2125
136168.1772
______________________________________________________
GRI 8270 (Wildwood)

US East Coast (occasional tests only)

137781.1366
137775.0907

137623.942
137617.896
137611.8501
137605.8041
137599.7582
137593.7122
137587.6663
137581.6203
137575.5744
137569.5284
137563.4825
137557.4365
137551.3906
137545.3446
137539.2987
137533.2527
137527.2068
137521.1608
137515.1149
137509.0689
137503.023

136172.9141
======================================================