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IInnttrroodduuccttiioonn
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Comes Close to a Cobra
®
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NOAA Weather Channels
and Alert
NOAA Weather Channels
and Alert
NOAA Weather Channels and Alert
•
Monitoring the weather will probably be a frequent use of your radio. NOAA provides
continuous, around-the-clock broadcasts of the latest weather information. Taped
weather messages run every four (4) to six (6) minutes and are revised every two
(2) or three (3) hours, or as needed. The Coast Guard also announces weather and
other safety warnings on Channel 16. Smart boaters keep an eye on safety and an
ear to the radio — and never let the weather catch them unaware.
NOAA Emergency Weather Alert
In the event of a major storm or other weather condition requiring vessels at sea
or on other bodies of water to be notified, NOAA broadcasts a 1050 Hz tone that
receivers such as your CobraMarine VHF radio can detect and warn you of a weather
alert condition. When the Weather Alert mode on your radio is On, this signal will
produce a loud tone from the speaker in the radio and will automatically switch to
the alerting weather channel so the alert broadcast can be heard.
NOAA Test Alert System
To test this system, NOAA broadcasts the 1050 Hz signal every Wednesday sometime
between 11 a.m. and 1 p.m. in each local time zone. Any receiver that can detect the
weather alert tone may use this service to verify that this system is functioning properly.
Weather Frequency/Channel
Channel RX Frequency MHz Weather Channel
1 162.550 NOAA
2 162.400 NOAA
3 162.475 NOAA
4 162.425 NOAA
5 162.450 NOAA
6 162.500 NOAA
7 162.525 NOAA
8 161.650 Canadian
9 161.775 Canadian
10 163.275 NOAA
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VHF Marine Radio Protocols
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VHF Marine Radio Protocols