SW Time Signal Broadcasts

HF Time Broadcasts
SW Time Signal Stations

Station List Compiled by William Hepburn

Standard Time Signal Broadcast Channels

Frequency (MHz)

2.5

Note: Included are broadcasts from national time observatory official time signal stations only. This list does not include routine time checks made by standard broadcast, marine or aeronautical stations.

TS	Time Signal (Voice Announcement)
TS	Time Signal (CW)
Inactive or Planned Service

Mode = Modulated CW Time Markers & AM Radiotelephone.

Time Signal Updates 2006-10-29

None.

2.5 MHz
ID Time / Lang	Call Sign	State	Station	Latitude	Longitude	BC Times UTC / Remarks
H + 29, 59, CC	BPM	CHN	Xian	35 00 N	109 31 E	H + 45-10, 15-40 0745-0100Z
	HLA	KOR	Taejon	36 23 N	127 22 E	Inactive Freq
H + 00, 30	WWV	USA	Fort Collins, CO	40 40 49 N	105 02 27 W	Cont
H + 29, 59	WWVH	HWA	Kekaha	21 59 26 N	159 46 00 W	Cont

3.33 MHz
ID Time / Lang	Call Sign	State	Station	Latitude	Longitude	BC Times UTC / Remarks
every M, EE/FF	CHU	CAN	Ottawa	45 17 47 N	75 45 22 W	Cont

3.81 MHz
ID Time / Lang	Call Sign	State	Station	Latitude	Longitude	BC Times UTC / Remarks
every M, SS	HD2IOA	EQA	Guayaquil			0500-1700Z

4 MHz
ID Time / Lang	Call Sign	State	Station	Latitude	Longitude	BC Times UTC / Remarks
no active stations

5 MHz
ID Time / Lang	Call Sign	State	Station	Latitude	Longitude	BC Times UTC / Remarks
	ATA	IND	New Delhi	28 34 N	77 19 E	Inactive Freq
H + 29, 59, CC	BPM	CHN	Xian	35 00 N	109 31 E	H + 45-10, 15-40
time markers	BSF	TWN	Taipei	24 56 N	121 09 E	Cont exc H + 35-40
H + 25, 55	EBC	ESP	Cadiz-San Fernando	36 28 N	06 12 E	1000-1100Z Mo-Fr on 4.998 MHz
every M, KK	HLA	KOR	Taejon	36 23 N	127 22 E	Cont
H + 04, 09, SS + every 5 min	LOL 1	ARG	Buenos Aires	34 37 S	58 21 W	1100-1200, 1400-1500, 1700-1800, 2000-2100, 2300-2400Z
H + 09, 39	RWM	RUS	Moskva	55 44 N	38 12 E	Cont on 4.996 MHz
H + 00, 30	WWV	USA	Fort Collins, CO	40 40 49 N	105 02 27 W	Cont
H + 29, 59	WWVH	HWA	Kekaha	21 59 26 N	159 46 00 W	Cont
every M, SS	YVTO	VEN	Caracas	10 30 N	66 56 W	Cont

7.335 MHz
ID Time / Lang	Call Sign	State	Station	Latitude	Longitude	BC Times UTC / Remarks
every M, EE/FF	CHU	CAN	Ottawa	45 17 47 N	75 45 22 W	Cont

8 MHz
ID Time / Lang	Call Sign	State	Station	Latitude	Longitude	BC Times UTC / Remarks
	HLA	KOR	Taejon	36 23 N	127 22 E	Inactive Freq

10 MHz
ID Time / Lang	Call Sign	State	Station	Latitude	Longitude	BC Times UTC / Remarks
H + 14, 29, 44, 59	ATA	IND	New Delhi	28 34 N	77 19 E	Cont
H + 29, 59, CC	BPM	CHN	Xian	35 00 N	109 31 E	H + 45-10, 15-40
	BSF	TWN	Taipei	24 56 N	121 09 E	Inactive Freq
H + 04, 09, SS + every 5 min	LOL 1	ARG	Buenos Aires	34 37 S	58 21 W	1100-1200, 1400-1500, 1700-1800, 2000-2100, 2300-2400Z Irregular
H + 09, 39	RWM	RUS	Moskva	55 44 N	38 12 E	Cont on 9.996 MHz
H + 00, 30	WWV	USA	Fort Collins, CO	40 40 49 N	105 02 27 W	Cont
H + 29, 59	WWVH	HWA	Kekaha	21 59 26 N	159 46 00 W	Cont

14.67 MHz
ID Time / Lang	Call Sign	State	Station Name	Latitude	Longitude	BC Times UTC / Remarks
every M, EE/FF	CHU	CAN	Ottawa-Canada	45 17 47 N	75 45 22 W	Cont

15 MHz
ID Time / Lang	Call Sign	State	Station Name	Latitude	Longitude	BC Times UTC / Remarks
	ATA	IND	New Delhi	28 34 N	77 19 E	Inactive Freq
H + 29, 59, CC	BPM	CHN	Xian	35 00 N	109 31 E	H + 45-10, 15-40 0100-0900Z
time markers	BSF	TWN	Taipei	24 56 N	121 09 E	Cont exc 35-40
H + 25, 55	EBC	ESP	Cadiz- San Fernando			1000-1100Z Mo-Fr on 15.006 MHz
	LOL 1	ARG	Buenos Aires	34 37 S	58 21 W	Inactive Freq
H + 09, 39	RWM	RUS	Moskva	55 44 N	38 12 E	Cont on 14.996 MHz
H + 00, 30	WWV	USA	Fort Collins, CO	40 40 49 N	105 02 27 W	Cont
H + 29, 59	WWVH	HWA	Kekaha	21 59 26 N	159 46 00 W	Cont

16 MHz
ID Time / Lang	Call Sign	State	Station Name	Latitude	Longitude	BC Times UTC / Remarks
no active stations

20 MHz
ID Time / Lang	Call Sign	State	Station Name	Latitude	Longitude	BC Times UTC / Remarks
H + 00, 30	WWV	USA	Fort Collins, CO	40 40 49 N	105 02 27 W	Cont
	WWVH	HWA	Kekaha	21 59 26 N	159 46 00 W	Inactive Freq

25 MHz
ID Time / Lang	Call Sign	State	Station Name	Latitude	Longitude	BC Times UTC / Remarks
	WWV	USA	Fort Collins, CO	40 40 49 N	105 02 27 W	Inactive Freq

Notes: ID Characteristic: Identification Characteristic. Vo = Voice ID. CW = Morse Code ID.
H + 00 = minutes past hour. every M = every minute. T = Time. Z = UTC Time.
Remarks: A1 = unmodulated time pips. Decom. = Decommissioned.
State: Code is 3-letter ITU Country Code (single letter codes replaced by ISO Code).
Lat/Long: Latitude/Longitude in ° ' " (degrees/minutes/seconds). N/S/E/W specified in header.
BC Times. Broadcast times in UTC (Z). Cont = Continuous.

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