C. Crane CCRadio plus Portable Radio User Manual


 
Page 25
AM TUNING & LISTENING TIPS
The CCRadio
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is made for distant or weak AM signal listening.
Daytime reception is limited to about 300 miles maximum because you
can only receive the signal direct from the transmitter site.You may
receive AM stations thousands of miles away at dawn, dusk and at
night, depending on the time of year and atmospheric conditions. The
ionosphere is a layer of ions above the earth. At night it slows and con-
geals into a giant mirror and can reflect radio waves back to the earth;
allowing you to receive signals much farther away than during the day.
Distant listening is called DXing. One club that is devoted to DXing is
National Radio Club at: PO Box 164, Mannsville, NY 13661-0164. They
maintain a website at:
http://www.nrcdxas.org
Top View CCRadio
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Left Side Rear View
Most portable radios including the CCRadio
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have an internal AM
antenna. Best performance is achieved when the radio is swiveled on its
base for maximum signal pickup from the transmitting tower. This same
technique can be used to help nullify unwanted signals or radio noise.
Experimentation is the best way to see how it works for you.
The CCRadio
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has two external antenna terminals for AM. If your
reception is better outside, try this quick and easy antenna: Use 50’ of
insulated wire attached to one terminal and a ground to the other termi-
nal. Try running the wire inside around a window or along a baseboard.
An antenna of more than 50’ will improve reception, but
SAFETY DIRECTIONS AND PRECAUTIONS FROM YOUR
ANTENNA SUPPLIER SHOULD BE FOLLOWED TO PRE-
VENT INJURY FROM LIGHTNING OR ANY ACCIDENT.
External Antenna
Terminal for AM
Ground Terminal