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From: Gwoho Liu Subject: Here is A Bearcat 175xl Modification Organization: University of California, Riverside 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. From: Gwoho Liu. |
