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, maritime or aeronautical stations.

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

Mode = Modulated CW Time Markers & AM Radiotelephone.

2.5

3.33

7.85

14.67

Time Signals Update 2012-10-26

New Stations
25 MHz O.. Espoo, FINStations Decommissoned
3.81 - 5 MHz HD2IOA Guayaquil, EQA 5 - 10 -15 MHz BSF Zhongli, TWN

2.5 MHz
ID Time / Lang	Call Sign	State	Station Name	Latitude	Longitude	BC Times UTC / Remarks
H + 29 , 59 = CC	BPM	CHN	Shaanxi	35 00	109 31	H + 45-10 , 15-40 0745-0100Z
	HLA	KOR	Taejon	36 23	127 22	Inactive Freq
	JJY	JPN	Tokyo	36 11	139 51	Inactive Freq
	LOL	ARG	Buenos Aires	-34 37	-58 21	Inactive Freq
	MSF	ENG	Rugby	52 22	-01 11	Inactive Freq
	PPE	BRA	Rio de Janeiro	-22 53 45	-43 13 28	Inactive Freq
	RAT	RUS	Moscow	55 45	37 18	Off The Air
H + 00 , 30	WWV	USA	Fort Collins	40 40 55	-105 02 31	Cont
H + 29 , 59	WWVH	HWA	Kekaha	21 59 21	-159 45 52	Cont

3.33 MHz
ID Time / Lang	Call Sign	State	Station Name	Latitude	Longitude	BC Times UTC / Remarks
every M = EE/FF	CHU	CAN	Canada (Ottawa)	45 17 47	-75 45 22	Cont

4 MHz
ID Time / Lang	Call Sign	State	Station Name	Latitude	Longitude	BC Times UTC / Remarks
	JJY	JPN	Tokyo	36 11	139 51	Inactive Freq

5 MHz
ID Time / Lang	Call Sign	State	Station Name	Latitude	Longitude	BC Times UTC / Remarks
H + 29 , 59 = CC	BPM	CHN	Shaanxi	35 00	109 31	H + 45-10 , 15-40
H + 25 , 55	EBC	ESP	Cadiz	36 28	-06 12	1000-1025 , 1030-1055Z Mon-Fri on 4.998 MHz
every M = KK	HLA	KOR	Taejon	36 23	127 22	Cont
	JJY	JPN	Tokyo	36 11	139 51	Inactive Freq
H + 04 + every 5 min = SS	LOL	ARG	Buenos Aires	-34 37	-58 21	1400-1500Z Mon-Fri
	MSF	ENG	Rugby	52 22	-01 11	Inactive Freq
	PPE	BRA	Rio de Janeiro	-22 53 45	-43 13 28	Inactive Freq
	RKM	RUS	Irkutsk	52 18	104 18	Off The Air (5.004 MHz)
H + 09 , 39	RWM	RUS	Moscow	56 44	37 38	Cont on 4.996 MHz
H + 00 , 30	WWV	USA	Fort Collins	40 40 42	-105 02 25	Cont
H + 29 , 59	WWVH	HWA	Kekaha	21 59 11	-159 45 45	Cont
every M = SS	YVTO	VEN	Caracas	10 30	-66 56	Cont

7.85 MHz
ID Time / Lang	Call Sign	State	Station Name	Latitude	Longitude	BC Times UTC / Remarks
every M = EE/FF	CHU	CAN	Canada (Ottawa)	45 17 47	-75 45 22	Cont

8 MHz
ID Time / Lang	Call Sign	State	Station Name	Latitude	Longitude	BC Times UTC / Remarks
	HLA	KOR	Taejon	36 23	127 22	Inactive Freq
	JJY	JPN	Tokyo	36 11	139 51	Inactive Freq

10 MHz
ID Time / Lang	Call Sign	State	Station Name	Latitude	Longitude	BC Times UTC / Remarks
H + 29 , 59 = CC	BPM	CHN	Shaanxi	35 00	109 31	H + 45-10 , 15-40
	JJY	JPN	Tokyo	36 11	139 51	Inactive Freq
H + 04 + every 5 min = SS	LOL	ARG	Buenos Aires	-34 37	-58 21	1400-1500Z Mon-Fri
	MSF	ENG	Rugby	52 22	-01 11	Inactive Freq
every M = PP	PPE	BRA	Rio de Janeiro	-22 53 45	-43 13 28	Cont
	RID	RUS	Irkutsk	52 26	104 02	Off The Air (10.004 MHz)
H + 09 , 39	RWM	RUS	Moscow	56 44	37 38	Cont on 9.996 MHz
H + 00 , 30	WWV	USA	Fort Collins	40 40 48	-105 02 25	Cont
H + 29 , 59	WWVH	HWA	Kekaha	21 59 18	-159 45 51	Cont

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

15 MHz
ID Time / Lang	Call Sign	State	Station Name	Latitude	Longitude	BC Times UTC / Remarks
H + 29 , 59 = CC	BPM	CHN	Shaanxi	35 00	109 31	H + 45-10 , 15-40 0100-0900Z
H + 25 , 55	EBC	ESP	Cadiz	36 28	-06 12	1000-1025 , 1030-1055Z Mon-Fri on 15.006 MHz
	JJY	JPN	Tokyo	36 11	139 51	Inactive Freq
	LOL	ARG	Buenos Aires	-34 37	-58 21	Inactive Freq
	PPE	BRA	Rio de Janeiro	-22 53 45	-43 13 28	Inactive Freq
	RID	RUS	Irkutsk	52 26	104 02	Off The Air (15.004 MHz)
H + 09 , 39	RWM	RUS	Moscow	56 44	37 38	Cont on 14.996 MHz
H + 00 , 30	WWV	USA	Fort Collins	40 40 45	-105 02 25	Cont
H + 29 , 59	WWVH	HWA	Kekaha	21 59 15	-159 45 50	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
	LOL	ARG	Buenos Aires	-34 37	-58 21	Inactive Freq
	PPE	BRA	Rio de Janeiro	-22 53 45	-43 13 28	Inactive Freq
	RID	RUS	Irkutsk	52 17	104 20	Off The Air (20.004 MHz)
H + 00 , 30	WWV	USA	Fort Collins	40 40 53	-105 02 29	Cont
	WWVH	HWA	Kekaha	21 59 26	-159 46 00	Inactive Freq

25 MHz
ID Time / Lang	Call Sign	State	Station Name	Latitude	Longitude	BC Times UTC / Remarks
	LOL	ARG	Buenos Aires	-34 37	-58 21	Inactive Freq
time markers	O...	FIN	Espoo	60 11	24 50	Cont
	PPE	BRA	Rio de Janeiro	-22 53 45	-43 13 28	Inactive Freq
	WWV	USA	Fort Collins	40 40 49	-105 02 27	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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