A general guide to scanning – Radio Shack PRO-99 User Manual
Page 60
60
Data Format — Asynchronous
Data Length — 8-bit
Parity — None
Stop Bit — 2-bit
Baud Rate — 1200 bps
Data Transmission Direction —
One Way (Receive Only)
A GENERAL GUIDE
TO SCANNING
G
UIDE
T
O
F
REQUENCIES
National Weather
Frequencies
Birdie Frequencies
Every scanner has birdie
frequencies. Birdies are signals
created inside the scanner’s
receiver. These operating
frequencies might interfere with
transmission on the same
frequencies. If you program one of
these frequencies, you hear only
noise on that frequency. If the
interference is not severe, you
might be able to turn
SQ
clockwise
to cut out the birdie. This
scanner’s birdie frequencies (in
MHz) are:
162.400
162.425
162.450
162.475
162.500
162.525
162.550
29.700
44.550
118.800
133.650
141.310
144.380
145.375
147.450
148.500
20-515Change01_04.fm Page 60 Friday, January 16, 2004 1:14 PM