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[Stephen M Smith]

Group,


I'm trying to figure out which AT-1 was the earliest.  I know the one
with the grey knobs is the latest.  But there seem to be 2 versions with
the fluted knobs:
one with a rotary switch for the meter selector and one with a toggle
switch for the meter.  Do you know which one is older and are there any
other versions?
Or is one with the toggle switch a mod.?
Thanks.


73.......Steve, WB6TNL  Oxnard, CA  USA
The Scrounger                         "snort rosin"

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