WORLDWIDE
	HF Time Broadcasts
	HF Time Signal Stations
	Station List Compiled by William Hepburn, CIDX
	2026-05-23
	STANDARD  FREQUENCY  &  TIME  SIGNAL  BROADCASTS
	SF/TS	STANDARD FREQUENCY & TIME SIGNALS
		Class : Standard Frequency & Time Signal Broadcast  (Continuous).  Mode : Combination.  Band : SW (SHORTWAVE).
		Content : Standard frequencies & time signals, usually including voice time announcements. May include meteorological or other
		scientific data.
		Note : Included are stations operated by official time observatories only. Not included are routine time checks made by
		standard broadcast, maritime, aeronautical or meteorological stations.
		SF = 2.5 , 5 , 10 , 15 , 20 , 25 MHz
		All broadcasts are in English (EE) unless otherwise noted in the Lang column :
		CC = Chinese			PP = Portuguese
		KK = Korean			SS = Spanish
	TIME  SIGNAL  BROADCASTS
	TS	TIME SIGNALS
		Class : Time Signal Broadcast  (Continuous).  Mode : Combination.
		Content : Time signals, usually including voice time announcements.
		All broadcasts are in English (EE) unless otherwise noted in the Lang column :
		EE/FF = English & French
	ID Time H+	Call Sign	Geo	Station	Lang	Latitude	Longitude		Remarks
	2.5  MHz
	00 , 30	WWV	USA	FORT COLLINS		40 40 55	-105 02 31
	29 , 59	BPM	CHN	SHAANXI	CC	35 00 00	-109 31 00		0730 - 0100 Z
									OFF H+ 10 - 15 / 40 - 45
	29 , 59	WWVH	HWA	KEKAHA		21 59 21	-159 45 52
	3.33  MHz
	00 +1M	CHU	CAN	CANADA	EE/FF	45 17 47	-75 45 22		TO BE DECOMMISSIONED 2026-06-22
	4.996  MHz
	09 , 39	RWM	RUS	MOSCOW		56 44 01	37 38 11		ID IN CW ONLY
	4.998  MHz
	25 , 55	EBC	ESP	CADIZ		36 28 00	-6 12 00		1000 - 1025 /
									1030 - 1055 Z  MO-FR
									ID IN CW ONLY
	5  MHz
	00 +1M	YVTO	VEN	CAGIGAL	SS	10 30 00	-66 56 00
	00 , 30	WWV	USA	FORT COLLINS		40 40 42	-105 02 25
	04 +5M	LOL	ARG	OBSERVATORIO NAVAL	SS	-34 37 00	-58 21 00		1400 - 1500 Z  MO-FR
	29 , 59	BPM	CHN	SHAANXI	CC	35 00 00	-109 31 00		OFF H+ 10 - 15 / 40 - 45
	29 , 59	WWVH	HWA	KEKAHA		21 59 11	-159 45 45
	[NO ID]	HLA	KOR	TAEJON	KK	36 23 15	127 21 59		TIME ANNOUNCEMENTS ONLY
	7.85  MHz
	00 +1M	CHU	CAN	CANADA	EE/FF	45 17 47	-75 45 22		TO BE DECOMMISSIONED 2026-06-22
	9.996  MHz
	09 , 39	RWM	RUS	MOSCOW		56 44 01	37 38 11		ID IN CW ONLY
	10  MHz
	00 +1M	PPEI	BRA	OBSERVATORIO NACIONAL	PP	-22 53 45	-43 13 28
	00 , 30	WWV	USA	FORT COLLINS		40 40 48	-105 02 25
	04 +5M	LOL	ARG	OBSERVATORIO NAVAL	SS	-34 37 00	-58 21 00		1100 - 1200 Z  MO-FR
	29 , 59	BPM	CHN	SHAANXI	CC	35 00 00	109 31 00		OFF H+ 10 - 15 / 40 - 45
	29 , 59	WWVH	HWA	KEKAHA		21 59 18	-159 45 51
	11.44  MHz
	[NO ID]	PLC	INS	JAKARTA		-06 13 00	106 52 00		0055 - 0100 Z , DOTS,DASHES,X,N,G
	14.67  MHz
	00 +1M	CHU	CAN	CANADA	EE/FF	45 17 47	-75 45 22		TO BE DECOMMISSIONED 2026-06-22
	14.996  MHz
	09 , 39	RWM	RUS	MOSCOW		56 44 01	37 38 11		ID IN CW ONLY
	15  MHz
	00 , 30	WWV	USA	FORT COLLINS		40 40 45	-105 02 25
	29 , 59	BPM	CHN	SHAANXI	CC	35 00 00	109 31 00		0100 - 0900 Z
									OFF H+ 10 - 15 / 40 - 45
	29 , 59	WWVH	HWA	KEKAHA		21 59 15	-159 45 50
	15.006  MHz
	25 , 55	EBC	ESP	CADIZ		36 28 00	-6 12 00		1000 - 1025 /
									1030 - 1055 Z  MO-FR
									ID IN CW ONLY
	20  MHz
	00 , 30	WWV	USA	FORT COLLINS		40 40 53	-105 02 29
	25  MHz
	00 , 30	WWV	USA	FORT COLLINS		40 40 49	-105 02 27
	[NO ID]	OIZ	FIN	ESPOO		60 11 00	24 49 59
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	©2026 William R. Hepburn