Longwave Utility Stations

From HFUnderground

Everything related to long wave utility stations goes here.

• DGPS Differential GPS stations. Located in the LW & MW band (283.5 kHz - 325 kHz) along with the NDBs.
• The Longwave Club of America specializes in longwave applications including DGPS, Part 15, NDBs and more

Amateur Radio and Experimenters

There are a few ranges where amateur radio and experimenters holds a secondary allocation and its use is strictly limited.

• 135.7 to 137.8 Khz (amateur radio)
• 160 to 190 Khz (LOWFER experimenter's band)
• 472 to 479 Khz (amateur radio)

VLF stations

Freq (kHz)	Callsign	Location	Operation Notes
11.905 kHz	-	Russia	Alpha-Navigation
12.649 kHz	-	Russia	Alpha-Navigation
14.881 kHz	-	Russia	Alpha-Navigation
15.1	HWU	Rosnay, France	400 kW
16.4	JXN	Gildeskål Norway
17.2	SAQ	Grimeton Sweden	Only active on special occasions like Alexanderson Day
17.8	NAA	Cutler Maine
18.1	-	Russia	RDL/UPD/UFQE/UPP/UPD8
18.3	HWU	Le Blanc France
18.9	RKS	Russia
19.6	GQD	Anthorn Britain
19.8	NWC	Exmouth, Western Australia
20.27	ICV	Tavolara Italy
20.5	-	Russia	RJH63, RJH66, RJH69, RJH77, RJH99
20.76	ICV	Tavolara Italy
20.9	HWU	Saint-Assise, France
21.1	RDL	Russia	Inactive
21.4	NPM	Hawaii USA
21.75	HWU	Rosnay, France
22.1	GZQ	Skelton Britain
22.2	JJI	Ebino Japan
22.3	-	Russia
23.0	-	Russia	RJH63, RJH66, RJH69, RJH77, RJH99
23.4	DHO38	Rhauderfehn Germany
24.0	NAA	Cutler, Maine USA
24.6	NLK	Seattle, Washington USA
24.8	NLF	Arlington, Washington USA
25.2	NML	LaMoure, North Dakota USA
60.0	WWVB	Fort Collins, Colorado USA
60.0	JJY	Mount Hagane, Japan
60.0	MSF	Anthorn, Cumbria, UK
66.666	RBU	Russia
68.5	BPC	Pucheng, China
77.5	DCF77	Mainhausen, Germany
77.5	BSF	Guishan, Taiwan