[Lowfer] 10 MHz OCXO for W1TAG sound card calibrator

Michael Sapp wa3tts at verizon.net
Sat Feb 15 21:24:42 EST 2014


Hard to beat for the price !!!  Mike wa3tts


----- Original Message ----- 
From: "Dexter McIntyre W4DEX" <dexter.mc at gmail.com>
To: "Discussion of the Lowfer (US, European, &amp; UK) and MedFer bands" 
<lowfer at mailman.qth.net>
Sent: Saturday, February 15, 2014 7:03 PM
Subject: Re: [Lowfer] 10 MHz OCXO for W1TAG sound card calibrator


>I received the 10 MHz OCXO from Paul today.  From a cold start, 
>approximately 65F, it took only 3 minutes for the oven to warm up and start 
>regulating.   The initial 12 volt current was only 500 ma and went down to 
>about 150 ma after warm up.  With one channel of a dual trace scope 
>triggered by 10 MHz from the GPS locked output of a HP Z3801 the OCXO trace 
>on a second channel was barely creeping after the 3 minute warm up.  I 
>tweaked the OCXO trace dead on with the Z3801 and after several hours it 
>has not moved.
>
> Dex 
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