Noaa weather channels and alert, Noaa emergency weather alert, Noaa test alert system – Cobra Electronics MRHH325VP User Manual
Page 18: Weather frequency/channel

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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