HF Time Broadcasts
SW Time Signal Stations

Station List Compiled by William Hepburn

Standard Time Signal Broadcast Channels
Frequency  (MHz)
2.5
5
10
15
20
25
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 4
5 7.85 8 10 14.67 15 16 20 25

Time Signals Update 2014-10-01

New Frequency
25   MHz         WWV  Fort Collins, CO


 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
H + 00 , 30
WWV
USA
 Fort Collins
40 40 49
-105 02 27
 Intermittent

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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©1999-2014. William R. Hepburn