There were considerable changes made to the NB in the last (3rd) R-4B version.
Seems like a simple question, unless the receiver is 'hot'! :-) 73, Garey - K4OAH Glen Allen, VA Drake 2-B, 2-C/2-NT, 4-A, 4-B, C-Line and TR-4/C Service Supplement CDs <www.k4oah.com> Gary Winblad wrote:
Note, there are two rx doing the same (two serials).. ----- Original Message ----- From: Garey Barrell <[email protected]> To: [email protected] Cc: [email protected] Sent: Sat, 14 Jan 2012 19:29:13 -0000 (UTC) Subject: Re: [Drakelist] Interesting discovery/problem about R-4A & R-4B Lee - IS THE SERIAL NUMBER A SECRET?? 73, Garey - K4OAH Glen Allen, VA Drake 2-B, 2-C/2-NT, 4-A, 4-B, C-Line and TR-4/C Service Supplement CDs
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