[Elecraft] Older option boards from K3 upgrade

[Dan Boardman]

LOL - "line-of-site contesting neighbor" = whets his call sign??? :)

-----Original Message-----
From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Wes Stewart
Sent: Tuesday, April 25, 2017 5:23 PM
To: donwilh at embarqmail.com; elecraft at mailman.qth.net
Subject: Re: [Elecraft] Older option boards from K3 upgrade

Ok,

Since I'm the one in the pileups, don't contest and my line-of-sight contesting neighbor runs an ICOM IC-756 PRO III to an ALPHA 8410 he deserves whatever he
gets:-)

Seriously, if I can figure a way, I'll try to do some real world comparisons.

Wes  N7WS


On 4/25/2017 1:47 PM, Don Wilhelm wrote:
> Wes,
>
> I know of no A/B comparisons, but the Sherwood chart shows a 
> significant improvement - he has rankings for the K3 with and without the new synthesizer.
>
> The lower phase noise may be apparent to you when picking a station 
> out of a pileup or on a contest weekend with many close-in signals.
>
> The transmitted phase noise is also reduced, so your ham neighbors 
> might notice a difference in the width of your transmitted signal.
>
> 73,
> Don W3FPR
>
> On 4/25/2017 4:33 PM, Wes Stewart wrote:
>> I've seen these rave reviews about the new synthesizer many times.  
>> Has anyone actually done an A/B comparison in real time with two 
>> otherwise identical radios.
>>
>> I have a K3 with the original synthesizer (the actual one used to 
>> develop the stiffener plate) and a K3S.  I have not run them 
>> side-by-side since I don't have any test equipment with sufficiently low phase noise to use.
>> Anecdotally, using them one at a time in day-to-day operation, I 
>> haven't noticed a difference.
>>
>> Wes  N7WS
>

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