[Lowfer] WSPR 15 tonight-72.7 dial as last night-2200 start...
Bob Raide
rjraide at hotmail.com
Mon Dec 16 14:06:50 EST 2013
JD;
Conditions got good around 0045 when I first saw my sigs on Hartmut's grabber. Before that I never had a decode from anyone. I checked a couple times to see if I was on freq or what was going on. Usually get one or two decoding right off the bat like K3SIW or KB4OER but nothing until 0045-all DX stations only all night-never saw that before on any band!
You are a real dedicated "lowfer". It is cold and nasty out there! Here it's been 8 to 18 F all day and night. Wind chill must have temps at times below zero.
I saw Stefan on Jay's grabber later on with solid signal it would have been good night to catch him-Bob
> From: listread at lwca.org
> To: lowfer at mailman.qth.net
> Date: Mon, 16 Dec 2013 01:11:13 -0600
> Subject: Re: [Lowfer] WSPR 15 tonight-72.7 dial as last night-2200 start...
>
> OK, here's tonight's decodes in SE Kansas. Late start, unfortunately. I
> was actually in the field on time, but that was the problem--I was IN the
> field, not the building. Long story, but basically, I took the SUV to the
> base of the tower to unload and hook up the buffer amp. Should've carried
> the stuff by hand, as it turns out, but I was trying to save a few minutes.
> The regular car had no problem getting out and back there earlier this
> weekend through the relatively minor mud left over from the winter storm, so
> I figured the SUV could make it too.
>
> It couldn't.
>
> I carted the radio, battery, and computer to the building and lashed them
> together real quickly to monitor HiFERs until I had time to set the computer
> clock for WSPR. I first worked on getting the SUV unstuck without tearing
> up my ground system in the process. A little after 2300, just after sunset,
> I finally succeeded, set the clock, and got to WSPRing. The first decodes
> were with the radio in normal CW mode and the appropriate values entered
> into WSPR X.
>
> 2330 -12 -0.2 0.074322 0 WG4XRS FN12 30
> 2345 -12 0.1 0.074322 0 WG4XRS FN12 30
> 0000 -13 -0.2 0.074322 0 WG4XRS FN12 30
> 0015 -16 -0.2 0.074322 0 WG4XRS FN12 30
> 0030 -13 -0.2 0.074322 0 WG4XRS FN12 30
> 0045 -14 -0.2 0.074322 0 WG4XRS FN12 30
> 0100 -13 -0.2 0.074322 0 WG4XRS FN12 30
>
> By 0100 the relative levels of signal to QRN had stabilized, so I used the
> 0115 slot to switch over to the SSB arrangement that I had settled on the
> last time. The 0130 slot shows the degraded SNR indication. In practice,
> Argo showed less increase in noise when comparing the level of the signal
> and the FFT bins next to it, but still slightly lower detection level
> because the receiver's dynamic range was being affected by a strong signal
> on ~73.5 that wasn't there with the CW filter. This is the result:
>
> 0130 -22 -0.2 0.074322 0 WG4XRS FN12 30
>
> After that one, I switched to looking for DK7FC for a few hours. (Slight
> success; more on that later.) Then I came back to XSR/4 with my CW filter.
> The 0445 slot is with my "normal" audio limiting, and the 0500 slot is with
> more aggressive limiting, confirming the same improvement I saw the other
> night.
>
> 0445 -15 -0.6 0.074322 0 WG4XRS FN12 30
> 0500 -12 -0.2 0.074322 0 WG4XRS FN12 30
>
> After that, I switched to monitoring the 1750 Meter watering hole. I'll
> report on that later.
>
> 73
> John
>
>
>
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