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07 Nov 2006Get the best from your Drake R4B receiver
23 Sep 2002Performance improvements for R-4B and R-4C Drake radio receivers
Click here to view all the ABOVE modifications for r-4b in one page.
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Date Author Subject
1. 21 Jun 2003 Tony Hibberd G8AQN (0) R-4B AGC Modification View article

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