[SADXA] 40m DAY DX of a Yagi vs K07SS CW Skimmer on a Dipole - Dec. 2nd

Tue Dec 3 21:16:25 EST 2019

More info. 

A simple answer is to click the RNN/KO7SS link on https://www.qrz.com/db/KO7SS or click the link below which is the same thing.

http://www.reversebeacon.net/dxsd1/dxsd1.php?f=0&c=ko7ss&t=de

This is the real time output from the KO7SS CW Skimmer. This is nice to look at, but logging into your favorite DX chasing or contesting program (which understands what DX you are looking for, etc.) via the method I described below is way more useful. 

73, Bill K6WSC

-----Original Message-----
From: sadxa-bounces at mailman.qth.net <sadxa-bounces at mailman.qth.net> On Behalf Of Bill Clark
Sent: Tuesday, December 3, 2019 6:47 PM
To: Southern AZ DX Association E-Mail Reflector <sadxa at mailman.qth.net>
Subject: Re: [SADXA] 40m DAY DX of a Yagi vs K07SS CW Skimmer on a Dipole - Dec. 2nd

I first set up either the VE7CC cluster (using the CC-User application) or the AR-Cluster (using commands I create and load into the N1MM Telnet window). I then point N1MM at either the AE5E-2 or VE7CC-1 nodes on the VE7CC cluster, or the NC7J node on the AR-Cluster. Either cluster does the same thing. The backbone of both clusters is the Reverse Beacon Network. I prefer the AR-Cluster.  

I request spots from only AZ and UT. I don't specifically ask to use any particular CW Skimmer (such as KO7SS) but will get spots from any AZ or UT skimmer. I want any and all spots from AZ & UT. 

I am only familiar with N1MM. Other programs that you may use can probably be pointed at either the VE7CC or AR-Cluster and will do the same thing as N1MM wrt displaying spots.

There are potentially ways to log into a particular CW Skimmer, but I do not do that. Most CW Skimmers feed the clusters anyway.

Let me know if you want more detail.

73, Bill K6WSC

-----Original Message-----
From: sadxa-bounces at mailman.qth.net <sadxa-bounces at mailman.qth.net> On Behalf Of Richard Solomon
Sent: Tuesday, December 3, 2019 6:17 PM
To: Southern AZ DX Association E-Mail Reflector <sadxa at mailman.qth.net>
Subject: Re: [SADXA] 40m DAY DX of a Yagi vs K07SS CW Skimmer on a Dipole - Dec. 2nd

How does one access the KO7SS
Skimmer ?

73 es HH, Dick, W1KSZ

On Tue, Dec 3, 2019 at 5:46 PM Bill Clark <bill.clark.jr at outlook.com> wrote:

> Dave,
>
> I agree totally with your KO7SS CW Skimmer analysis. My experience 
> mirrors yours.
>
> When I am contesting, I set up the AR-Cluster to only give me spots 
> from AZ and UT. This usually means spots from KO7SS. WA7LNW, or NC7J.
> I can work everything I see spotted.
>
> There are CW Skimmers all over the world. You will have no trouble 
> finding one in your new location.
>
> 73, Bill K6WSC
>
> -----Original Message-----
> From: sadxa-bounces at mailman.qth.net <sadxa-bounces at mailman.qth.net> On 
> Behalf Of w7aqk at cox.net
> Sent: Tuesday, December 3, 2019 5:14 PM
> To: 'Southern AZ DX Association E-Mail Reflector' 
> <sadxa at mailman.qth.net>
> Subject: Re: [SADXA] 40m DAY DX of a Yagi vs K07SS CW Skimmer on a 
> Dipole
> - Dec. 2nd
>
> Bill and All,
>
> That may be true.  However, I have been very surprised at the 
> similarity between what KO7SS could hear and what I could hear with my R8 vertical.
> Surely not 100%, but close enough that it has been a real benefit for 
> me as to what's on/workable and what isn't!  Perhaps the more 
> important thing was that if KO7SS could NOT hear a station, then I 
> almost certainly could not either!!!  When a DX station was reported 
> on one of the DX Clusters I would often check to see if KO7SS could 
> hear it, and if not, I would waste a lot of time trying to hear it 
> myself.  It was pretty accurate!  I'll miss being able to use that 
> skimmer.  Hope I find another one in my new QTH that is as reliable.
>
>  Dave W7AQK
>
> P.S.  Hitting the trail for Oregon this morning!
>
> D.
>
> -----Original Message-----
> From: sadxa-bounces at mailman.qth.net <sadxa-bounces at mailman.qth.net> On 
> Behalf Of Jim Wysocki
> Sent: Monday, December 2, 2019 9:31 PM
> To: sadxa at mailman.qth.net
> Subject: Re: [SADXA] 40m DAY DX of a Yagi vs K07SS CW Skimmer on a 
> Dipole
> - Dec. 2nd
>
> Bill, you'll need to take the KO7SS skimmer spots with a grain of salt.
> Just because they log a call doesn't mean that some of our members 
> will be able to hear it.
>
> I recently was over to Bill's place on Mt. Lemmon where he has the 
> skimmer and the dipoles. The antennas are near the top of the 
> mountain, about 45 feet above the terrain, and with the one I saw 
> having a clear view towards Europe.  I don't recall seeing a second 
> antenna but it could have been there.  The net effect of the extra 
> work is that Bill's skimmer can hear some of the stations that he 
> can't copy down at his QTH in the city.  So if somebody is 
> well-situated, i.e., far enough away from the mountains that the low 
> angled signals can be received, he should be able to hear some DX that others of us who are too close to the mountains can't even detect.
>
> 73, Jim  W9FI
>
> On 12/2/2019 6:45 PM, W7EXG (Bill) wrote:
> > The following 40m DAY DX was heard CALLING CQ in Tucson Dec. 2nd, 
> > from about 2145z to 2245z on my DB42 3 ele 40m Yagi on a 42 foot boom.
> >
> > ON4YOTA
> > ON6DC
> > F6BII
> > R7DC
> > CT9/DL5AXX
> > CT1ZQ
> > SP9FV
> >
> > The following 40m DAY DX was heard CALLING CQ in Tucson Dec. 2nd, 
> > from 2145z to 2245z on KO7SS CW skimmer dipoles.
> >
> > NONE of the above.
> >
> > Although K07SS did not record the above 40m DX, it has recorded in 
> > the past 40m DAY DX in this time frame. Thus, 40m DAY DX is still 
> > quite possible with a dipole. Such 40m DAY DX has already been 
> > recorded here on dipole type 40m antennas.
> >
> > 73'S
> > BILL W7EXG
> >
> >
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