[Hammarlund] Old Hammarlunds - Dual Diversity

[Gary Pewitt]

Ah Ha!  So that's what that switch is for.  I have one with a rack and 
pinion lever switch that selects from two connectors located where the 
xtal switch should be.  Thanks for the info, I've been wondering about 
it for several years.   73  Gary  N9ZSV



On 4/12/2011 5:17 PM, WILLIAM MARX wrote:
> I should have mentioned the crystal switch in the upper right corner was
> replaced with the Dual Diversity switch.
> Bill Marx W2CQ
>
>
>
>
>
> ----- Original Message ----
> From: Glen Zook<gzook at yahoo.com>
> To: KA1KAQTodd<ka1kaq at gmail.com>; kgordon2006 at frontier.com
> Cc: Hammarlund at mailman.qth.net
> Sent: Tue, April 12, 2011 4:00:11 PM
> Subject: Re: [Hammarlund] Old Hammarlunds
>
> You have to remember that many of the SP-600 receivers used by the military were
> the JX- versions that could be crystal controlled as well as the tunable
> feature.  Those JX- versions were usually used with crystal control for things
> like RTTY circuits.
>
> Glen, K9STH
>
> Website:  http://k9sth.com
>
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