[Lowfer] SIW @ 2pm switchover to 185.2997

Michael Sapp wa3tts at verizon.net
Thu Feb 27 16:51:48 EST 2014


Tnx Garry: Here's the QRSS60 view with the FT-817 & TCXO-9 combination. It's 
easier to get the FT-817  close to on frequency. I would bet 80~90 percent 
of the thermal drift present is in the HD-1420 LO, especially since the 
over-the-weekend experiments with the ZLW-1 DBM were so stable with the TTL 
LO>ZLW-1>FT-817 combination.  I may try a different xtal heater in the 
HD-1420 over the summer, those xtal heater kits from DB6NT look 
interesting.....

http://i1296.photobucket.com/albums/ag19/wa3tts/capt00051_zps1defc6a9.jpg

Seems like every time the polar vortex express makes a visit over this way 
that some enhancement is present on the radio path to SIW...on the other 
hand the K index just went to 6 over the past few hours, so hard to say what 
the causation is.

73, Mike wa3tts




----- Original Message ----- 
From: "Garry Hess" <k3siw at sbcglobal.net>
To: "lowfer list" <lowfer at mailman.qth.net>
Sent: Thursday, February 27, 2014 3:38 PM
Subject: Re: [Lowfer] SIW @ 2pm switchover to 185.2997


> Wow Mike, that's impressive for daylight! 437 miles assuming your grid is 
> EN90xn. That must be best DX for the lowfer in daylight.
>
> I intended the switchover to occur at 1800Z but programmed it when 
> daylight savings was active so it actually switches at 1300Z CST (1400Z 
> EST as you noted). It's still darn cold here so the OCXO warmup 
> understandably takes awhile, hi.
> -- 
> 73, Garry, K3SIW, EN52ta, Elgin, IL
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