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QRZ! Ham Radio 4
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QRZ Ham Radio Callsign Database - Volume 4.iso
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bc175xl.mod
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1994-11-12
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992b
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22 lines
alt.radio.scanner #8024 (21 more) [1]
From: gwoho@ucrmath.ucr.edu (gwoho liu)
Subject: Here is a Bearcat 175xl mod.
Date: Wed Aug 18 03:19:17 EDT 1993
Organization: University of California, Riverside
Lines: 14
I discovered a couple of modifications for Bearcat 175xl.
On the CPU board there are 4 solder pads next to the CPU. Shorting two
of them turns it into a 20 channel scanner (from 16 channel). Shorting
the other two removes 29-54 and adds 66-82. I can program 66-88, but
it will not receive 82-88. But it receives 66-82 as well as my 2006.
I want to know however--how can I make it receive wideband? I see
that there is this chip into which it seems a FM signal goes and
and audio signal comes out. It is a Motorola mc3359p. What is it?
Is it doing what it seems to be doing? How can I make it work more wide-band
like? I've tried adjusting values of all kinds of things around it with no
success.
gwoho liu.