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Recognising fax transmissions
Try this weather fax sound clip and see if you can identify the following parts :-
1. START TONE
This is a tone formed by fast, regular switching between the black and white frequencies and is used
to start certain types of automatic receivers. The switching frequency, usually 300 Hz for most weather fax transmissions,
is used to indicate the index of co-operation.
2. PHASING SIGNAL OR SYNC. PULSE
This follows briefly after the start tone and is heard as a repeated blip. On screen
it appears a rectangular block that marks the beginning of a scan line. Ideally, this should be positioned at the extreme
left, top corner of the screen. If it appears in the middle, the received image will be split into two parts which normally
causes no difficulties as most software contains a facility for rejoining (rejustifying) the two halves.
3. TEST SCALE TONE BAR
Not all stations transmit a tone bar but, when present, it is heard as a repeated glissando
whistle or steadily changing frequency. On a correctly tuned screen it appears as a narrow band of grey progressing from black
to white.
4. IMAGE BODY
The image itself, the longest part of the transmission, which lasts between 8 and 15 minutes.
The sound clip lasts just under a minute but in a real transmission, when the body of the message is complete the signal
ends with a STOP TONE which sounds rather like the start tone but is sent at 450 Hz and which tells the receiving equipment
that the fax is complete. Some stations follow this with a few seconds or minutes of UNMODULATED CARRIER or 'black' tone signal.
-----------------------------------------------------------------------
CYCC News 11 February 2002
Future of HF
Weatherfax
Those who rely on HF weatherfax broadcasts were disappointed by the closure of the Bracknell GFA transmissions
on 3rd April 2001. That left Northwood B 14A as the only remaining UK source of weatherfax transmissions, although transmissions
continue to be made from other countries.
Northwood exists for the Royal Navy and NATO Fleets. It is recognised the service is valuable to yachtsmen, but whether
or not it continues, and in what form, depends solely on the needs of the Fleet.
Sources suggest there is no threat to Northwood broadcasts so long as minor war vessels remain dependent on HF fax transmissions.
Five to eight years is a sensible estimate, although even within this period there might be adjustments to broadcast schedules,
content and frequencies.
RTTY DATA TRANSMISSIONS #2 WEATHER FAX RTTY
----------------------------------------------------------------------
GFA,
Bracknell, UK
Frequencies:
2618.5 kHz: 1800-0600 UTC (tune radio to 2616.6 kHz)
4610.0 kHz: 0000-2400 UTC (tune
radio to 4608.1 kHz)
8040.0 kHz: 0000-2400 UTC (tune radio to 8038.1 kHz)
14436.0 kHz: 0000-2400 UTC (tune radio to
14434.1 kHz)
18261.0 kHz: 0000-1800 UTC (tune radio to 18259.1 kHz)
WHITE + 400 HZ, BLACK - 400 HZ
Mode: 120 RPM
Schedule:
-----------------------------------------------------------
TIME
Chart
Valid I.O.C.
------------------------------------------------------------
03:41 MSLP ANALYSIS FOR
00:00 00:00 288
04:31
500 HPA CONTOUR/TT (1000/500HPA)
ANALYSIS FOR 00:00
00:00 288
04:40 MSLP 24-HOUR FORECAST (VT 00:00) 00:00
288
08:06 MSLP 48-HOUR FORECAST (DT 00:00) 00:00 288
08:12
MSLP 72-HOUR FORECAST (DT 00:00) 00:00 576
08:18 NORTHERN HEMISPHERE
SURFACE ANALYSIS 00:00 288
09:29 SEA/SWELL ANALYSIS FOR 00:00
00:00 288
09:35 SEA/SWELL 24-HOUR FORECAST
00:00 288
09:41 MSLP ANALYSIS FOR 06:00
06:00 288
10:00 500 HPA CONTOUR/TT (1000/500HPA)
T+24 FORECAST
00:00 288
10:10 SEA/SWELL 48-HOUR FORECAST
00:00 288
10:31 NORTH ATLANTIC INFERENCE
00:00 576
10:42 MSLP 24-HOUR FORECAST (VT 06:00) 06:00
288
14:12 UK SEA TEMPERATURE ANALYSIS 00:00
288
15:41 MSLP ANALYSIS FOR 12:00
12:00 288
16:02 NORTH ATLANTIC SEA ICE CHART
00:00 576
16:22 SCHEDULE: MARINE PRODUCTS
05:00 576
16:30 GENERAL NOTICES (if any)
576
16:41 MSLP 24-HOUR FORECAST T+24 (VT 12:00) 12:00 288
17:08 500 HPA CONTOUR/TT
(1000/500HPA)
ANALYSIS FOR 12:00
12:00 288
20:12 SEA/SWELL ANALYSIS FOR 12:00
12:00 288
20:18 SEA/SWELL 24-HOUR FORECAST
12:00 288
21:41 MSLP ANALYSIS FOR 18:00
18:00 288
21:52 SEA/SWELL 48-HOUR FORECAST
12:00 288
22:22 MSLP 48-HOUR FORECAST (DT 12:00) 12:00
288
22:30 MSLP 72-HOUR FORECAST (DT 12:00) 12:00 288
22:41
MSLP 24-HOUR FORECAST (VT 18:00) 18:00 288
23:33 MSLP 96-HOUR
FORECAST (DT 12:00) 12:00 288
23:40 MSLP 120-HOUR FORECAST(DT
12:00) 12:00 288
------------------------------------------------------------
CFH,
Halifax, Nova Scotia, Canada
Frequencies:
122.5 kHz: 0000-2400 UTC (tune radio to 120.6 kHz)
4271.0 kHz: 0000-2400
UTC (tune radio to 4269.1 kHz)
6496.4 kHz: 0000-2400 UTC (tune radio to 6494.5 kHz)
10536.0 kHz: 0000-2400 UTC (tune
radio to 10534.1 kHz)
13510.0 kHz: 0000-2400 UTC (tune radio to 13508.1 kHz)
Mode: 120 RPM, IOC: 576
Schedule:
-----------------------------------------------------------
Time
UTC Product
-----------------------------------------------------------
0001-0023
ice chart Labrador (if available) *1
0100-0118 Infrared satellite picture (18)
0201-0219
sig wx depiction VT1200
0301-0320 Infrared satellite picture (00)
0321-0339
surface analysis 0000
0401-0426 500 hPa analysis 0000
0501-0519
isobaric prog VT0000 (H+24)
0520-0537 850 hPa forecast wind/temp/height VT1800/0000
0601-0619
sig wx depiction VT1800
0620-0638 surface analysis 0000
0703-0721
sig wave prog VT1200 (H+12)
0722-0740 sig wave prog VT0000 (H+24)
0741-0759
isobaric prog VT1200 (H+36)
0801-0819 sig wave prog VT1200 (H+36)
0820-0838
sea surface temp (New Founland Wed, Sat) (Nova Scotia Sun, Thu)
ocean feature anal (New Foundland Mon,Fri) (Nova Scotia Tue)
0901-0920 surface analysis 0600
1001-1024
Infrared satellite picture (06)
1101-1123 Shedule / Test chart
1201-1223
3 day surface prognosis (12)
1223-1241 4 day surface prognosis (12)
1245-1307
5 day surface prognosis (12)
1310-1318 Infrared satellite picture (12)
1401-1419
sig wx depiction VT0000
1501-1521 500 hPa analysis 1200
1522-1540
surface analysis 1200
1601-1624 850 hPa analysis 1200
1701-1719
isobaric prognosis VT1200 (H+24)
1801-1819 sig wx depiction VT0600
1820-1838
850 hPa forecast wind/temp/height VT 0600/1200
1901-1919 isobaric prognosis VT0000 (H+36)
1920-1938
sig wave prognosis VT0000 (H+12)
1939-1958 sig wave prognosis VT1200 (H+24)
2001-2018
sig wave prognosis VT0000 (H+36)
2019-2038 sea surface temp (New Foundland Mon, Wed, Sat)
(Nova Scotia Tue, Thu, Fri, Sun)
2101-2122
Ocean feature analysis Newfoundland (Mon, Wed, Sat)
2123-2146 surface analysis 1800
2201-2232
ice chart New Foundland (if available) *1
2301-2323 ice chart Gulf of Saint Lawrence (if
available) *1
NMF, US Coast Guard, Boston, Massachusetts, USA
Frequencies:
4235.0 kHz: 0230-1015 UTC (tune radio to 4233.1 kHz)
6340.5 kHz: 0000-2400 UTC (tune radio to 6338.6 kHz)
9110.0 kHz: 0000-2400 UTC (tune radio to 9108.1 kHz)
12750.0
kHz: 1430-2215 UTC (tune radio to 12748.1 kHz)
CARRIER FREQUENCY IS 1.9 kHz BELOW THE ASSIGNED FREQUENCY
Mode: 120
RPM, IOC: 576
Schedule:
------------------------------------------------------------------------
Time UTC
Product
RPM/IOC VALID MAP
------------------------------------------------------------------------
0230/1430
TEST PATTERN
120/576
0233/1433 PRELIMINARY SURFACE ANALYSIS
120/576 00/12 1
0243/---- BROADCAST SCHEDULE (PART 1)
120/576
----/1443 96 HR 500MB PROG
120/576 0000 4
----/1453 96 HR SURFACE PROG
120/576 0000 4
0254/---- BROADCAST SCHEDULE (PART 2)
120/576
0305/---- REQUEST FOR COMMENTS
120/576
----/1503 SATELLITE IMAGE
120/576 1200 5
0315/1515 SEA STATE ANALYSIS
120/576 00/12 1
0325/1525 SURFACE ANALYSIS (PART 1 NE ATLANTIC) 120/576
00/12 2
0338/1538 SURFACE ANALYSIS (PART 2 NW ATLANTIC) 120/576 00/12
3
0351/---- SATELLITE IMAGE
120/576 0000 5
----/1600 ICE CHARTS
120/576 LATEST
----/1720 TEST PATTERN
120/576
0402/1723 (REBROADCAST OF 0325/1525)
120/576 00/12 2
0415/1736 (REBROADCAST OF 0338/1538)
120/576 00/12 3
0428/1749 500MB ANALYSIS
120/576 00/12 4
----/1759 SEA STATE ANALYSIS
120/576 1200 4
----/1810 ICE CHARTS
120/576 LATEST
----/1900 TEST PATTERN
120/576
----/1905 BROADCAST SCHEDULE (PART 1)
120/576
----/1920 BROADCAST SCHEDULE (PART 2)
120/576
----/1935 REQUEST FOR COMMENTS
120/576
0745/1945 TEST PATTERN/PRODUCT NOTICE BULLETIN 120/576
0755/1955 PRELIMINARY
SURFACE ANALYSIS 120/576 06/18
1
0805/2005 24HR SURFACE PROG
120/576 00/12 1
0815/2015 24HR WIND/WAVE PROG
120/576 00/12 1
0825/2025 24HR 500MB PROG
120/576 00/12 1
0835/2035 36HR 500MB PROG
120/576 12/00 4
0845/2045 48HR 500MB PROG
120/576 00/12 4
0855/2055 48HR SURFACE PROG
120/576 00/12 4
0905/2105 48HR WIND/WAVE PROG
120/576 00/12 4
0915/2115 48HR WAVE PERIOD PROG
120/576 00/12 4
0925/2125 SURFACE ANALYSIS (PART 1 NE ATLANTIC) 120/576
06/18 2
0938/2138 SURFACE ANALYSIS (PART 2 NW ATLANTIC) 120/576 06/18
3
0951/2151 SATELLITE IMAGE
120/576 06/18 6
1002/2202 (REBROADCAST OF 0925/2125)
120/576 06/18 2
1015/2215 (REBROADCAST OF 0938/2138)
120/576 06/18 3
MAP AREAS 1. 28N-52N, 45W-85W
2. 15N-65N, 10E-45W
3. 15N-65N, 40W-95W
4. 15N-65N, 10E-95W
5. 20N-55N, 55W-95W
6. EQ-60N, 40W-130W
NMC, US Coast Guard, Pt Reyes, California, USA
Frequencies:
4346.0 kHz: Night (tune radio to 4344.1 kHz)
8682.5
kHz: 0000-2400 UTC (tune radio to 8680.6 kHz)
12730.0 kHz: 0000-2400 UTC (tune radio to 12728.1 kHz)
17151.2 kHz:
0000-2400 UTC (tune radio to 17149.3 kHz)
22527.0 kHz: Day (tune radio to 22525.1 kHz)
CARRIER FREQUENCY IS 1.9 kHz
BELOW THE ASSIGNED FREQUENCY
Mode: 120 RPM, IOC: 576
Schedule:
------------------------------------------------------------------------
Time
UTC Product
RPM/IOC VALID MAP
------------------------------------------------------------------------
----/1415
TEST PATTERN
120/576
----/1418 96 HR 500MB PROG
120/576 0000 1
----/1428 96 HR SURFACE PROG
120/576 0000 1
----/1438 SATELLITE IMAGE
120/576 LATEST 5
0245/---- TEST PATTERN
120/576
0248/1449 SATELLITE IMAGE
120/576 LATEST 7/6
0259/---- SATELLITE IMAGE
120/576 LATEST 5
----/1500 SEA STATE ANALYSIS
120/576 1200 8
0310/---- SEA STATE ANALYSIS
120/576 0000 1
----/1510 WIND/SEAS ANALYSIS
120/576 1200 4
0320/1520 SURFACE ANALYSIS (PART 1 NE PACIFIC)
120/576 00/12 2
0333/1533 SURFACE ANALYSIS (PART 2 NW PACIFIC)
120/576 00/12 3
0345/1545 500MB ANALYSIS
120/576 00/12 1
0355/1555 (REBROADCAST OF 0320/1520)
120/576 00/12 2
0408/1608 (REBROADCAST OF 0333/1533)
120/576 00/12 3
0800/2000 TEST PATTERN
120/576
0808/2008 24HR SURFACE PROG
120/576 00/12 8
0818/2018 24HR WIND/WAVE PROG
120/576 00/12 8
0828/2028 48HR 500MB PROG
120/576 00/12 1
0838/2038 48HR SURFACE PROG
120/576 00/12 1
0848/2048 48HR WIND/WAVE PROG
120/576 00/12 1
0858/2058 48HR WAVE PERIOD PROG
120/576 00/12 1
0908/2108 SATELLITE IMAGE
120/576 06/18 7/5
0919/2119 SURFACE ANALYSIS (PART 1 NE PACIFIC)
120/576 06/18 2
0932/2132 SURFACE ANALYSIS (PART 2 NW PACIFIC)
120/576 06/18 3
0944/---- SATELLITE IMAGE
120/576 0600 5
----/2144 WIND/SEAS ANALYSIS
120/576 1800 4
0955/2154 (REBROADCAST OF 0919/2119)
120/576 06/18 2
1008/2207 (REBROADCAST OF 0932/2132)
120/576 06/18 3
1100/2300 TEST PATTERN
120/576
1104/---- BROADCAST SCHEDULE (PART 1)
120/576
----/2304 SST ANALYSIS
120/576 LATEST 9
----/2314 SST ANALYSIS
120/576 LATEST 6
1115/---- BROADCAST SCHEDULE (PART 2)
120/576
----/2324 BROADCAST SCHEDULE (PART 1)
120/576
1126/---- REQUEST FOR COMMENTS
120/576
----/2335 BROADCAST SCHEDULE (PART 2)
120/576
1137/---- PRODUCT NOTICE BULLETIN
120/576
1148/---- (REBROADCAST OF 2304)
120/576 LATEST 9
1158/---- (REBROADCAST OF 2314)
120/576 LATEST 6
MAP AREAS:1. 20N - 70N, 115W - 135E
2. 20N
- 70N, 115W - 175W
3. 20N - 70N, 175W - 135E
4. 20S - 30N, EAST OF 160W
5. 05N - 60N, WEST OF 100W
6. 23N - 42N, EAST OF 136W
7 05N - 55N, EAST OF 130W
8. 25N - 60N, EAST OF 155W
9. 40N - 53N, EAST OF 136W
KVM70, Honolulu, Hawaii, USA
Frequencies:
9982.5 kHz: 0533-1930 UTC
11090.0 kHz: 0000-2400 UTC
16135.0
kHz: 0000-2400 UTC
23331.5 kHz: 2350-0236 UTC
CARRIER FREQUENCY IS 1.9 kHz BELOW THE ASSIGNED FREQUENCY
Mode: 120
RPM, IOC: 576
Schedule:
------------------------------------------------------------------------
Time UTC
Product
RPM/IOC VALID MAP
------------------------------------------------------------------------
2350/1150
TEST-ID-SCHEDULE-GENERAL NOTICE 120/576
0005/1205 PACIFIC SURFACE
ANALYSIS 120/576
18/06 B
0030/1230 SATELLITE IMAGE (IR)
120/576 LATEST FD
0045/1245 SATELLITE IMAGE (IR)
120/576 LATEST EP
0105/1305 TROPICAL SURFACE ANALYSIS
120/576 18/06 C
0128/1328 48HR SURFACE FORECAST
120/576 12/00 C
0150/1350 48HR 500MB/VORTICITY FORECAST
120/576 00/12 F
0212/---- 24HR WIND/STREAM FORECAST
120/576 0000 D
0236/---- 48HR WIND/STREAM FORECAST
120/576 0000 D
----/1412 24HR OCEAN WINDS/SIG WAVE HT FORECAST
120/576 0000 E
----/1428 48HR OCEAN WINDS/SIG WAVE HT FORECAST
120/576 0000 E
0533/1733 TEST-ID-SYMBOLS-GENERAL NOTICE
120/576
0545/1745 SIGNIFICANT CLOUD FEATURES
120/576 00/12 A
0605/1805 PACIFIC SURFACE ANALYSIS
120/576 00/12 B
0630/1830 SATELLITE IMAGE (IR)
120/576 LATEST FD
0645/1845 SATELLITE IMAGE (IR)
120/576 LATEST EP
0705/1905 TROPICAL SURFACE ANALYSIS
120/576 00/12 C
0730/1930 PACIFIC OCEAN SEA SURFACE TEMPS
120/576 NPA
MAP AREAS: A - 50N - 30S, 110W - 160E
B - 50N - 30S, 110W - 130E
C - 60N - 55S, 055W - 070E
D - 50N - 30S, 100W - 120E
E - 60N - 35S, 110W - 130E
F - 50N - 25S, 120W - 120E
EP - EQUATORIAL PACIFIC
FD - FULL DISK
NPA
- NORTH PACIFIC AREA
NMG, New Orleans, Louisiana, USA
Frequencies:
4317.9 kHz: 0533-1930 UTC (tune radio to 4316.0 kHz)
8503.9 kHz:
0000-2400 UTC (tune radio to 8502.0 kHz)
12789.9 kHz: 0000-2400 UTC (tune radio to 12788.0 kHz)
CARRIER FREQUENCY
IS 1.9 kHz BELOW THE ASSIGNED FREQUENCY
Mode: 120 RPM, IOC: 576
Schedule:
------------------------------------------------------------------------
Time
UTC Product
RPM/IOC VALID MAP
------------------------------------------------------------------------
0000/1200
TROPICAL SURFACE ANALYSIS 120/576
18/06 1
0030/1230 24/36 HR WIND/SEAS FORECAST (2 CHARTS) 120/576 00&12/12&00
2
0050/1250 HIGH SEAS FORECAST (IN ENGLISH) 120/576
22/10 5
0115/1315 0/12 HR WIND/SEAS FORECAST (2 CHARTS) 120/576
00&12/12&00 2
0135/1335 U.S. SURFACE ANALYSIS
120/576 18/06 3
0150/1350 GOES-8 IR TROPICAL SATELLITE IMAGE
120/576 2345/1145 4
0205/1405 REQUEST FOR COMMENTS/PRODUCT NOTICE
120/576
0600/1800 TROPICAL SURFACE ANALYSIS
120/576 00/12 1
0630/1830 BROADCAST SCHEDULE
120/576
0650/1850 HIGH SEAS FORECAST (IN ENGLISH) 120/576
04/16 5
0715/1915 0/12 HR WIND/SEAS FORECAST (2 CHARTS) 120/576
06&18/18&06 2
0735/1935 U.S. SURFACE ANALYSIS
120/576 00/12 3
0750/1950 GOES-8 IR TROPICAL SATELLITE IMAGE
120/576 0645/1745 4
0805/2005 (REBROADCAST OF 0030/1230)
120/576 00&12/12&00 2
MAP AREAS: 1. 05S - 35N, 0 - 120W
2. 10N - 30N, 55W - 100W
3. 15N -
50N, 65W - 125W
4. 12S - 44N, 28W
- 112W
5. 3N - 32N, 35W - 100W (AREA
COVERED BY TEXT FORECAST)
--------------------------------------------------------------------------------
AUSTRALIA WEATHER FAX FREQUENCIES
------------------------------------------------------------------------
Frequencies
Location
Call-sign Frequency IPS channel Transmission times
(kHz) (UTC)
Canberra AXM 31 2,628 1 continuous
AXM
32 5,100 2 continuous
AXM 34 11,030 3 continuous
AXM 35 13,920 4 continuous
AXM 37 20,469 5
continuous
Darwin AXI 32 5,755 1 1110-2300
AXI 33 7,535 2 1110-2300
AXI 34 10,555 3 continuous
AXI
35 15,615 4 2300-1100
AXI 36 18,060 5 2300-1100
--------------------------------------
490.0
Future NAVTEX use
500.0 Maritime CW calling and distress (phasing out)
518.0 (Sitor-B)
US Coast Guard, Navigational Telex (NAVTEX)
2054.0 (Fax) US Coast Guard, Kodiak, AK
2182.0
Maritime voice calling and distress, wx announcement ch
2185.5 Digital Selective Calling (GMDSS)
2196.0
Federal Aviation Administration, Caribbean hurricane net
2371.0 CAP, all regions
2374.0
CAP, all regions
2500.0 WWV wx h+8, 9, 10; WWVH wx h+48, 49, 50, 51
2582.0 Bermuda
CG/RCC
2670.0 USCG groups, local bulletins, announced on 2182
2754.0 (Fax) CF, Victoria,
BC, 0245, 1025, 1515, and 2115
2801.0 Red Cross
2872.0 MWARA CAR net
3023.0
US Coast Guard SAR
3047.0 CF SAR secondary
3122.0 US Coast Guard, safety of flight
3130.0
US Navy FACSFAC Jacksonville, FL "Sea Lord"
3170.0 Red Cross
3231.0 USAF KAWN wx
RTTY in LSB, KGWC FAX in USB
3303.0 US Department Of Transportation evacuation F-1
3331.0
Federal Aviation Administration, southeast
3341.0 FEMA "Foxtrot-6," US Coast Guard in Caribbean
3365.0
USAF hurricane net on Eastern Test Range
3455.0 MWARA CAR net
3573.0 (CW) Carolinas
Net
3622.5 (Fax) JMH, Tokyo, weather charts at 0110 and 1910
3695.0 (CW) Carolinas Slow Net 3815.0 (LSB) Antigua / Antilles emergency & weather
net 3815.0 (LSB) Inter-island 75 meter frequency (24 hr) 3873.0 (LSB) Texas/Louisiana
(Emergency) 3907.0 (LSB) Coastal Carolina Emergency Net Dy 0000 3910.0 (LSB)
Virginia primary (alt 7360) 3915.0 (LSB) South Carolina Emergency Net 3923.0 (LSB)
North Carolina Evening Net 3923.0 (LSB) Tar Heel Emergency Net (alt 7232) 3923.0
(LSB) Always good for SE US H&W 3927.0 (LSB) North Carolina Morning Net 3930.0
(LSB) Gulf Coast Hurricane Net alternate 3930.0 (LSB) Louisiana 3930.0 (LSB) North
Texas Emergency Net 3933.0 (LSB) Panhandle Traffic Emergency Net Dy 0000 3935.0
(LSB) Central Gulf Coast Hurricane Net 3935.0 (LSB) Texas (Health & Welfare in Bret) 3940.0
(LSB) South Florida Emergency Net 3940.0 (LSB) Salvation Army SATERN M 0330 3943.0
(LSB) West Gulf Emergency Net 3947.0 (LSB) Virginia health & welfare (alt 7240) 3950.0
(LSB) National Hurricane Watch Net alternate 3955.0 (LSB) South Texas Emergency Net 3957.0
(LSB) Louisiana State EOC 3960.0 (LSB) Northeast Coast Hurricane Net 3965.0 (LSB)
SE US Emergency 4040.0 US Coast Guard emergency, Guam 4055.0 Federal Aviation Administration,
southeast 4081.5 British military, relief use in Bahamas 4125.0 Maritime clg and
distress freq, some weather info 4146.0 Maritime simplex channel 4A 4149.0 Maritime
simplex channel 4B 4209.5 (Sitor-B) International NAVTEX, like 518 kHz 4210.5 (Sitor-B)
International marine safety information 4235.0 (Fax) USCG Boston, MA, weather fax, eve/night 4268.0
(Fax) CF, Victoria, BC, 0245, 1025, 1515, and 2115 4271.1 (Fax) CF, Halifax, NS, hourly charts, RTTY
rest of hr. 4298.0 (Fax) USCG, Kodiak, AK, all scheduled hours 4316.0 (USB) USCG,
New Orleans, LA, voice weather fcsts 4317.9 (Fax) USCG, New Orleans, LA, all scheduled hours 4346.0
(Fax) USCG, San Francisco, CA, night weather charts 4372.0 US Navy FACSFAC VACAPES, VA, "Giant Killer" 4369.0
WLO weather - see table #1 for schedule 4426.0 USCG, maritime duplex, ships call on 4134 4426.0
USCG Portsmouth, Atlantic WX at 0330, 0500, 0930 4426.0 USCG, San Francisco, CA, Pacific WX at 0430 and
1030 4466.0 CAP, NE US Primary, SE Alternate 4469.0 CAP, Gulf Coast Hurricane Net,
SE Pri, NE Alt 4490.0 SHARES Co-ordination Network Ch. 3 (ALE) 4506.0 CAP,
N. Central US Primary 4520.0 US Army NG New Jersey in Floyd 4557.0 USAF MARS phone
patch net, freq RK 4582.0 CAP, National Clg & Emergency, Pacific Alternate 4583.5
CAP, Tuesday hurricane nets 2100 local in season 4585.0 CAP, Pacific & Mid-East (Atlantic) Primary 4601.0
CAP, Rocky Mtn. Primary, Great Lakes Alternate 4604.0 CAP, Great Lakes Primary, Rocky Mtn. Alternate 4627.0
CAP, Southwest US Primary 4709.0 USAF HF-GCS, Sigonella 4721.0 (Fax) CF, Halifax,
NS, hourly charts, RTTY rest of hr 4724.0 USAF, High Frequency Global Communications System 4813.5
USCG emergency, Guam (alternate) 4821.0 Federal Agencies Net, Region 7 (old FHWA hwy net F-14) 4855.0
(Fax) USAF KGWC, hourly charts 4900.0 USAF hurricane net on Eastern Test Range 5000.0
WWV wx h+8, 9, 10; WWVH wx h+48, 49, 50, 51 5008.0 US Department Of Transportation evacuation F-2 5135.0
SECURE Gulf Coast net 5140.0 SECURE Florida net 5142.6 USCG 7th District SAR 5203.5
US Army National Guard 5211.0 National Emergency Coordination Net night primary, also
FEMA "Foxtrot 11," USB/LSB 5236.0 SHARES Co-ordination Network Ch-1 (night voice primary) 5302.0
FEMA, probably urban search and rescue 5320.0 USCG Groups, Miami, FL, and Portsmouth, VA; CG Auxiliary 5350.0
USAF hurricane net on Eastern Test Range 5400.0 USCG, Puerto Rico 5422.5 USCG Auxiliary 5432.0
USCG, hvy CAMSLANT use in Dennis '99 5520.0 MWARA CAR net 5550.0 New York ATC 5680.0
Maritime calling and distress frequency 5692.0 USCG air-air, Navy, possibly also FEMA 5696.0
USCG Safety of Flight, search and rescue, busy channel 5710.0 USAF, weather recon heard here 5711.0
SHARES Co-ordination Network Ch-4 (ALE) 5717.0 CF safety of flight/SAR, their version of 5696 5755.0
Federal Agencies Net, Region 7 (old FHWA hwy net F-23) 5821.0 FEMA, northeast region heard here 5848.0
US Army Corps of Engineers 6215.0 Maritime calling and distress frequency 6224.0
Maritime simplex channel Ch. 6A 6227.0 Maritime simplex channel Ch. 6B 6230.0 Maritime
simplex channel Ch. 6C 6314.0 (Sitor-B) USCG, Boston, MA, Atlantic at 0140 6340.5
(Fax) USCG, Boston, MA, all scheduled hours 6341.7 (Sitor-B) WLO, weather at 0345 6456.0
(Fax) CF, Victoria, BC, 0245, 1025, 1515, and 2115 6496.4 (Fax) CF, Halifax, NS, hourly charts, RTTY
rest of hr. 6501.0 USCG, maritime duplex, ships call on 6200 6501.0 USCG, Guam,
Pacific WX at 0930 and 1530 6501.0 USCG, Honolulu, HI, Pacific WX at 0600 and 1200 6501.0
USCG, Kodiak, AK, Pacific WX at 0203 and 1645 6501.0 USCG, Portsmouth, VA, Atlantic WX at 0330, 0500,
0930, 1130, 1600, 2200, and 2330 6577.0
MWARA CAR net 6586.0 New York ATC 6712.0 USAF HF-GCS 6723.0
US Navy FACSFAC Jacksonville, FL "Sea Lord"(also 6742.0) 6724.0 USAF HF-GCS Sigonella 6739.0
USAF HF-GCS 6742.0 US Navy FACSFAC Jacksonville, FL "Sea Lord" 6785.0 US Army Corps
Of Engineers 6800.0 SHARES Coordination Network Ch. 9 (PACTOR BBS) 6809.0
FEMA "Foxtrot-21" channel: urban search and rescue,
Caribbean relief 6826.0 Army MARS (used in Bonnie & Earl) 6858.0 Red Cross 6870.0
FAA Southern Region 6999.0 US Army MARS alternate guard fq 7055.0 (LSB) Mexican
Hurricane Net 7090.0 (LSB) Central America Emergency Net 7105.0 (LSB) Cuban use
in Michelle 7158.0 (LSB) Caribbean Net dy 0000 7232.0 (LSB) Tar Heel Emergency Net 7238.0
(LSB) Baja California Maritime Net dy 1500/1600 7241.0 (LSB) Caribbean Maritime Mobile Net dy 1100 7247.0
(LSB) SE US Emergency 7250.0 (LSB) Salvation Army SATERN Sat 1700 7265.0 (LSB)
Salvation Army SATERN Sat 1630 7285.0 (LSB) Texas/Louisiana (Emergency) 7290.0
(LSB) Texas (Health & Welfare) 7294.0 (LSB) Chubasco Net dy 1530 7299.0 (LSB)
South Pacific Sailing Net Dy 1700 7305.0 (Fax) JMH, Tokyo, weather charts at 0110 and 1910 7341.0
CAP, National Packet Radio Channel (Digital) 7373.5 US Department Of Transportation evacuation F-3 7381.0
SHARES - US Navy MARS 7398.0 (Fax) USAF KGWC, hourly charts 7412.0 USAF hurricane
net on Eastern Test Range 7475.0 Federal Aviation Administration, southeast 7507.0
USCG and Navy Hurricane Warning Net, Puerto Rico 7508.5 Federal Aviation Administration, Caribbean hurricane
net 7528.6 USCG Auxiliary 7540.0 SHARES - US Air Force MARS 7549.0
Red Cross 7552.1 SHARES - NTA 7582.0 US Department Of Transportation evacuation
F-4 7632.0 SHARES Coordination Network Ch. 4 7633.5 USAF MARS phone patch
net, freq ACJ 7635.0 CAP, National Calling & Emergency 7635.0 SHARES - CAP Command
Net 7697.0 Red Cross 7743.0 Federal Agencies Net, Region 7 (old FHWA hwy net F-28) 7773.5
USCG, Caribbean use 7784.0 US Air Force RTTY obs & warnings, possibly file://13530 7850.0 Caribbean Police Net per Rick Baker 7870.0 (Fax) US Air Force KGWC, hourly
charts 7920.0 CAP, all regions 8093.0 US Army National Guard, all regions 8125.0
Federal Aviation Administration, east 8156.0 Royal Bahamas Defence Force (coast guard & police) 8160.0
USCG, Caribbean use 8291.0 Maritime calling and distress frequency 8294.0 Maritime
simplex channel 8A 8294.0 Alt. frequency for "Herb" Southbound II net 8297.0 Maritime
simplex channel 8B 8416.5 (Sitor-B) USCG, Boston, MA, Atlantic WX at 0140 and 1630 8416.5
(Sitor-B) USCG, Honolulu, HI, Pac WX at 0130, 1330, 2030 8416.5 (Sitor-B) USCG CAMSPAC Pt. Reyes, WX
at 0000 and 1800 8459.0 (Fax) USCG, Kodiak, AK, all scheduled hours 8502.0 (USB)
USCG, New Orleans, LA, voice weather fcsts 8503.9 (Fax) USCG, New Orleans, LA, all scheduled hours 8682.0
(Fax) USCG, San Francisco, all scheduled hours 8764.0 USCG, maritime duplex, ships call on 8240 8764.0
USCG, Honolulu, HI, Pac WX at 0000, 0600, 1200, 1800 8764.0 USCG, Portsmouth, VA, Atlantic WX at 0330,
0500, 0930, 1130, 1600, 1730, 2200, and 2330 8764.0
USCG CAMSPAC Pt. Reyes, Pac WX 0430, 1030, 1630, 2230 8788.0 WLO weather - see table #1 for schedule 8846.0
New York Radio, frequent use with TEAL hurricane hunters 8918.0 MWARA CAR net 8933.0
New York LDOC, given as sec to TEAL 66 for CNN patch 8968.0 USAF (no longer HF-GCS) 8983.0
USCG Safety of Flight, search and rescue, busy channel 8992.0 USAF HF-GCS 9007.0
USAF HF-GCS, Sigonella 9025.0 USAF HF-GCS, Lajes AB 9074.5 US Department Of Transportation
evacuation F-5 9106.0 SHARES Coordination Network Ch. 5 9110.0 (Fax) USCG,
Boston, MA, all scheduled hours 9180.0 Mexican Navy 9185.0 Federal Agencies Net,
Region 7 (old FHWA hwy net F-31)
9197.0 SHARES - Federal Highway Administration
9122.5 USACE emergency use
9380.0
USCG and US Navy Hurricane Warning Net, Puerto Rico
9970.0 (Fax) JMH, Tokyo, weather charts at 0110 and
1910
9982.5 (Fax) US DoD, Honolulu, HI weather charts, night
10000.0 WWV wx h+8, 9, 10;
WWVH wx h+48, 49, 50, 51
10195.0 Possibly FEMA
10202.0 USAF discrete
10305.0
USAF hurricane net on Eastern Test Range
10493.0 National Emergency Coordination Net day primary, also
FEMA "Foxtrot-26", and SHARES, USB/LSB
10506.0 (RTTY) CF, Halifax
10536.0 (Fax) CF, Halifax,
NS, hourly charts, RTTY rest of hr.
10586.5 SHARES - new SCN channel Xray Foxtrot
10588.0 USCG
Caribbean use
10780.0 USAF, Cape Radio, FL, and HF-GCS backup
10891.0 SHARES - Federal Highway
Administration
10935.0 USCG, others, in Caribbean disaster ops
11028.0 US Department Of Transportation
evacuation F-6
11090.0 (Fax) US DoD, Honolulu, HI, all scheduled hours
11120.0 US Air Force,
KAWN weather RTTY in LSB, KGWC FAX in USB
11175.0 USAF, HF-GCS, busy
11181.0 USAF HF-GCS, Lajes,
also Teal use in past
11202.0 US Coast Guard Safety of Flight
11217.0 SHARES Co-ordination Network
Ch-6 (ALE)
11220.0 USAF discrete
11226.0 USAF, weather aircraft heard here
11230.0
British military, relief use in Bahamas
11246.0 US Air Force discrete for 53rd WRS ("Teal")
11271.0
USAF HF-GCS, Sigonella
11309.0 New York ATC
11342.0 New York LDOC, used by TEAL 66 to patch
CNN
11387.0 MWARA CAR net
11396.0 MWARA CAR net
12178.7 Federal Agencies Net,
Region 7 (old FHWA hwy net F-41)
12290.0 Maritime calling and distress frequency
12353.0 Maritime
simplex channel 12A
12356.0 Maritime simplex channel 12B
12359.0 Maritime simplex channel 12C
12359.0
Primary frequency for "Herb" Southbound II net, Dy 2100
12362.0 Maritime simplex channel 12D
12365.0
Maritime simplex channel 12E
12412.5 (Fax) USCG, Kodiak, AK, all scheduled hours
12579.0 (Sitor-B)
USCG, Boston, MA, Atlantic WX at 0140 and 1630
12579.0 (Sitor-B) USCG, Honolulu, HI, Pac WX at 0130, 1330,
2030
12730.0 (Fax) USCG CAMSPAC Pt, Reyes, CA, all sched. hours
12750.0 (Fax) USCG, Boston,
MA, day
12753.0 (Fax) CF, Victoria, BC, 0245, 1025, 1515, and 2115
12788.0 (USB) USCG, New Orleans,
LA, voice weather fcsts
12789.9 (Fax) USCG, New Orleans, LA, all scheduled hours
13089.0 USCG,
duplex, ships call on 12242
13089.0 USCG, Guam, Pacific WX at 0300 and 2130
13089.0 USCG, Honolulu,
HI, Pacific WX at 0000 and 1800
13089.0 USCG, Portsmouth, VA, Atlantic WX at 1130, 1600, 1730,
2200, and 2330
13089.0 USCG CAMSPAC Pt Reyes, Pac WX at 0430, 1030, 1630, 2230
13110.0 WLO weather
- see table #1 for schedule
13200.0 USAF, HF-GCS
13204.0 USAF, possible discrete assigned for
TEAL pp
13212.0 USAF HF-GCS, Lajes AB
13242.0 SHARES Co-ordination Network Ch-10 (G-TOR/PACTOR
BBS)
13245.0 Antigua and Antilles inter-island net
13270.0 NOAA a/c per John Winward
13297.0
MWARA CAR net
13330.0 New York ATC
13354.0 MWARA East Pacific net
13432.5 US
Department Of Transportation evacuation F-7
13434.0 Federal Agencies Net, Region 7 (old FHWA hwy net F-42)
13448.2
FEMA teletype (straight Baudot) copied here
13457.0 SHARES primary - also Federal Aviation Administration
13510.0
(Fax) CF, Halifax, NS, hourly charts, RTTY rest of hr.
13530.0 (RTTY 850/75) KAWN US Air Force Atlantic wx
obs, fcsts
13626.0 Federal Aviation Administration, Gulf
13630.0 Federal Aviation Administration,
west
13910.5 US Army MARS emergency net
13927.0 USAF MARS phone patch primary, fq ACB, some
TEAL use
13977.0 USAF MARS phone patch net, administrative (Sun 1600)
13956.0 FEMA, some NECN
use (LSB)
13960.0 USAF discrete
13993.0 SHARES - USAF MARS
13996.0 SHARES - US
Army MARS primary guard fq
13997.0 (Fax) JMH, Tokyo, weather charts at 0110 and 1910
14185.0
Caribbean emergency frequency
14215.0 Pacific Interisland Net (alternate)
14235.0 Pan-American
Health Net
14260.0 UN Net
14265.0 Salvation Army SATERN Net M-F 1400
14268.0
UN Radio Readiness Group
14270.0 Red Cross Net
14275.0 IARN disaster relief
14283.0
Friendly Caribus Connection ("FCC;" a Caribbean net)
14283.0 UN Relief Net
14293.0 Red Cross
use
14300.0 Maritime Mobile Service Net Dy 1700
14300.0 US Coast Guard Amateur Radio Net
S 1600/1700
14303.0 ARRL International Assistance & Traffic Net
14310.0 Maritime Emergency
Net dy 0400
14313.0 Maritime Mobile Service Net Alternate-1
14313.0 US Coast Guard Amateur Radio
Net S 1600
14315.0 Pacific Interisland Net Dy 0800
14315.0 Pacific Islands Disaster
Net First Sun, 0100
14325.0 National Hurricane Watch Net, amateur and government,
**********ALWAYS MONITOR THIS ONE*********
14327.0 US Coast Guard Amateur Radio Net S 1700/1800
14340.0
California-Hawaii Net M-F 1700
14340.0 Manana Net M-Sat 1900
14361.0 USAF weather FAX,
irregular schedule
14383.5 SHARES - US Navy MARS
14390.5 MARS disaster operations
14391.5
US Navy MARS
14396.5 SHARES Coordination Network Ch. 2 (daytime voice
primary), also old National Communications System
primary,
all 23 agencies
14449.4 NCS
14450.0 FEMA evacuations heard here; could be NCS from lower
14493.5
SHARES - Federal Bureau of Investigation
14567.0 FEMA, NECN use in past
14606.0 USAF MARS phone
patch net, freq ACF
14837.5 FEMA "Foxtrot 37"
14902.0 SHARES - CAP rescue and relief, all regions
14905.0
Unk. Federal; FEMA or Nuclear Regulatory Commission
15000.0 WWV wx h+8, 9, 10; WWVH wx h+48, 49, 50, 51
15016.0
USAF HF-GCS
15038.0 USAF HF-GCS, Sigonella
15781.0 (Fax) USAF KGWC, hourly charts (day)
15094.0
SHARES Coordination Network Ch. 7 (ALE)
16135.0 (Fax) US DoD, Honolulu, HI, all scheduled hours
16348.0
Federal Aviation Administration
16420.0 Maritime calling and distress frequency
16528.0 Maritime
simplex channel 16A
16531.0 Maritime simplex channel 16B
16531.0 Alt. frequency for "Herb" Southbound
II net
16534.0 Maritime simplex channel 16C
16806.5 (Sitor-B) USCG, Boston, MA, Atlantic WX
at 1630
16806.5 (Sitor-B) USCG, Kodiak, AK, Pacific WX at 1500
16806.5 (Sitor-B) USCG CAMSPAC
Pt Reye, Pac WX 0000 and 1800
17151.2 (Fax) USCG CAMSPAC Pt. Reyes, CA, all scheduled hours
17314.0
USCG, duplex, ships call on 16432
17314.0 USCG, Portsmouth, VA, Atlantic WX at 1730
17314.0
USCG, San Francisco, CA, Pacific WX at 1630 and 2230
17362.0 WLO weather - see table #1 for schedule
17421.0
US Department Of Transportation evacuation F-8
17907.0 MWARA CAR net
17976.0 USAF, HF-GCS
18205.0 CAP, Alaska
18220.0
(Fax) JMH, Tokyo, weather charts at 0110 and 1910
18825.0 Maritime simplex channel 18A
18828.0
Maritime simplex channel 18B
18831.0 Maritime simplex channel 18C
18834.0 Maritime simplex channel
18D
18837.0 Maritime simplex channel 18E
18840.0 Maritime simplex channel 18F
18843.0
Maritime simplex channel 18G
18889.5 (Sitor-A) FEMA, maritime channel 39
19290.0 FEMA, evacuations
heard here
19325.8 ??? US Air Force KAWN/KGWC RTTY/FAX used in past
19363.0 (Fax) USAF KGWC,
hourly charts (day)
19540.0 (RTTY 850/75)US Air Force testing with "fox" loop
19680.5 (Sitor-B)
International marine safety information
19757.0 FEMA (maritime channel 1802)
20000.0 WWV wx
h+8, 9, 10
20107.0 SHARES Coordination Network Ch. 7
20381.0 (RTTY 850/75) US Air Force
KAWN daytime wx obs
20390.0 USAF Eastern Test Range Cape Radio
20873.0 CAP, all regions
20992.5
USAF MARS phone patch net, freq ACZ
21400.0 Transatlantic net (amateur)
21402.0 Pacific Maritime
Net Dy 2200 (amateur)
22159.0 Maritime simplex channel 22A
22162.0 Maritime simplex channel
22B
22165.0 Maritime simplex channel 22C
22168.0 Maritime simplex channel 22D
22171.0
Maritime simplex channel 22E
22376.0 International Sitor MSI frequency
22527.0 (Fax) USCG CAMSPAC
Pt. Reyes, day
22804.0 WLO weather - see table #1 for schedule
23331.5 (Fax)US DoD Honolulu,
HI, days
26100.5 International Sitor MSI frequency
26617.0 CAP, all regions
26620.0
CAP, all regions
26812.0 SHARES Coordination Network Ch. 8
---------------------------------------------
WEATHER
FAX HF FREQUENCIES
RN Northwood - GYA England Offenbach - DDH Germany Halifax - CFH
Canada US Coastguard - NMF Boston
2618.5 (2616.6)
kHz* 3855 (3853.1) kHz 4271 (4269.1) kHz 4235 (4233.1) kHz*
4610 (4608.1) kHz 7880 (7878.1) kHz 6496.4 (6494.5)
kHz 6340.5 (6338.6) kHz
8040 (8038.1) kHz 13882.5 (13880.6) kHz 10536 (10534.1) kHz 9110 kHz (9108.1) kHz
11086.5 (11084.6) kHz 13510 (13508.1) kHz 12750 (12748.1) kHz
18261 (18259.1) kHz*
* NOT 24 hour operation. Figures in brackets are the frequencies to set your dial to.
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