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Birdie Frequencies
Every scanner has birdie frequencies. Birdies are sig-
nals created inside the scanner’s receiver. These operat-
ing frequencies might interfere with broadcasts on the
same frequencies. If you program one of these frequen-
cies, you hear only noise on that frequency. If the interfer-
ence is not severe, you might be able to turn
SQUELCH
clockwise to cut out the birdie.
The birdie frequencies on this unit to watch for are:
To find the birdies in your scanner, begin by disconnecting
the antenna and moving it away from the scanner. Make
sure that no other nearby radio or TV sets are turned on
near the scanner. Use the search function and scan every
frequency range from its lowest frequency to the highest.
Occasionally, the searching will stop as if it had found a
signal, often without any sound. That is a birdie. Make a
list of all the birdies in your scanner for future reference.
30.735 37.800 38.400
40.000 40.980 41.900
51.200 140.800 149.400
153.000-153.300 153.500-153.800 157.300-157.800
158.085 159.300-159.700 161.400-161.900
163.920 166.400 384.000
396.800 409.600 422.400
435.200 448.000 460.800
473.600 486.400 499.200
512.000
20-566.fm Page 40 Thursday, August 5, 1999 8:04 AM