[TenTec] IDing version of 525 Argosy w/o serial nbr?

[David Feldman]

Sorry for the list noise - I found the info I needed at:

http://www.tentecwiki.org/doku.php?id=525id

--- On Thu, 8/19/10, David Feldman <wb0gaz at yahoo.com> wrote:

> From: David Feldman <wb0gaz at yahoo.com>
> Subject: IDing version of 525 Argosy w/o serial nbr?
> To: tentec at contesting.com
> Date: Thursday, August 19, 2010, 10:21 AM
> Have a use 525 Argosy that doesn't
> have (maybe never had?) serial number on back panel (could
> it be inside instead)? Trying to figure out whether it would
> use the 223 NB (for SN < 825) or 223A (for SN > 825).
> Any other way to determine which version, perhaps based on
> type number of the internal PC board that hosts the NB
> connections (the 80784 RF/MIXER board; my 525 80784 board is
> labeled "REV B")?
> 
> 73 Dave WB0GAZ wb0gaz at yahoo.com
> 
> 
> 
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>