[Elecraft] 10 mHZ external reference VS the K3S's optionalKTCXO3-1

[Gary]

Bob,

Thanks for asking, I too have struggled to understand the need given I only use the original digital mode, CW and SSB.

:-)

Gary 

-----Original Message-----
From: "Bob McGraw - K4TAX" <rmcgraw at blomand.net>
Sent: ‎3/‎11/‎2015 7:56 AM
To: "elecraft at mailman.qth.net" <elecraft at mailman.qth.net>
Subject: Re: [Elecraft] 10 mHZ external reference VS the K3S's optionalKTCXO3-1

Yes, I've been following this as well.  And to that end, I have a 
commercial GPS Disciplined Oscillator that is used as a reference for 
the test equipment in the shop.  In checking my K3s I find, with the 
optional TCXO, the accuracy is typically +/-2 Hz on all bands.    Few if 
many other transceivers will display or maintain this stand-a-lone 
accuracy.  So I ask, what's the obsession with accuracy better than this 
for amateur use?

73
Bob, K4TAX

On 11/2/2015 2:34 PM, Doug Hensley wrote:
> I've been following the thread on using a 10 mHZ external reference and the prospect seems both affordable and at least initially fun BUT I'd like to ask is it really a practical improvement over Elecraft's available KTCXO3 internal 1ppm reference?  Or is this just a way to achieve more accuracy at less cost than the KTCXO3 ?  Isn't the K3S better served with its own oscillator?  What am I missing here?


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