[MRCG] Clatternet

Jim Falls radio-tuber at att.net
Mon Oct 6 14:29:03 EDT 2014


I measured a 20 to 30Hz drift using the waterfall zoom control here. It's very slow, whatever it is. Takes 15-20sec. to complete a full cycle. Maybe something almost on freq that's heterodyning with the output audio? Grasping at straws.  

Jim K6FWT

> On Oct 6, 2014, at 11:22, Mark J. Blair <nf6x at nf6x.net> wrote:
> 
> 
>> On Oct 6, 2014, at 09:42 , boatanchor at martasystems.com wrote:
>> Hmmm, curious. I'm using a synthesizer for the L.O., not the T-195 MO out. Wonder if drift is coming from the FSK modulator ? It had been powered up for 2 hours... I'll try to troubleshoot that this week if I have time.
> 
> Wow, that is interesting. I noticed the drift, too, and assumed it was your MO. I did get the impression that your average frequency was closer to nominal than usual, so maybe that was from using the synthesizer.
> 
> 
> -- 
> Mark J. Blair, NF6X <nf6x at nf6x.net>
> http://www.nf6x.net/
> 
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