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Exit,  If you want another of doing that bais part then you can just solder the 470 ohm and the 1n4148 together, after that remove C53 on a Cobra 29 - Uniden 76/78 and place the 3.3k there instead of soldering all three together....  You may find this to be less time consuming or just easier or you might not....  Just throwing out another way of doing it....  For a Cobra 25 - Uniden 66/68 you can remove C149 and put the 3.3k there...