Weather Eagle® 105-110 Instruction Manual Page-3-
minimize disruption of the other communication system. The Thunder Eagle® MRI-100
Multi Radio Interface will act as a smart interface between the WEATHER EAGLE® and
will place the voice alert on a low priority channel or on a weather talk group in a trunked
radio system and will place beeps only on the high priority channel. Users can access 1
minute of live weather by pressing their mike button for 4 seconds. Other features are
described in the MRI100 documentation.
The WEATHER EAGLE® is engineered for durability with modern surface mount
technology and few moving parts. The WEATHER EAGLE® has a two pole helical filter
and a monolithic high gain preamplifier for superior performance in reasonably high RF
environments. The WEATHER EAGLE® is especially useful for emergency operations
centers, security offices, mobile communications vehicles, command posts, and search
and rescue units. The WE110 has a smaller footprint in acknowledgement of the high
value of real estate in emergency vehicles.
NWR is broadcast from over 960 transmitters located throughout the United
States and Canada on seven FM channels operating between 162.400 MHz and
162.550 MHz. Most populated areas of the United States and Canada are covered by at
least one channel. Some areas are covered by more than one channel. The seven
channels are pre-programmed into the WEATHER EAGLE®. Maps and a database of
the NWR transmitters are located at www.nws.noaa.gov/nwr.
The National Weather Service (NWS) tone alerts important severe weather
watches and warnings. The alert tone, of 1050 Hz, for approximately 8-13 seconds,
activates the special alerting features of the WEATHER EAGLE®. The WEATHER
EAGLE® uses a sophisticated digital signal processing algorithm utilizing an analog to
digital converter to constantly test not only for the beginning of the alert tone, but also for
© 2006 Thunder Eagle, Inc. All rights reserved worldwide.
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