[PVRCNC] Does being spotted help?

Bruce Meier bemeier at bellsouth.net
Mon Nov 6 15:19:12 EST 2006


Brian,

This is indeed not a total analysis, but does show at least one interesting
point -

K3MM       7022.6 N1LN                                      2321 04 Nov
2006 - SS class = U
N4ZR       7044.7 N1LN                                      0049 05 Nov
2006 - SS class = B
KU5B       7044.7 N1LN        Go Bruce! NC                  0102 05 Nov
2006 - SS class = S
K6EU      14055.2 N1LN                                      1527 05 Nov
2006 - SS class = U
W6SC      14057.0 N1LN        NC                            1719 05 Nov
2006 - SS class = U
WK6I      14057.1 N1LN                                      1725 05 Nov
2006 - SS class = U
AD6WL     14057.1 N1LN        NC                            1739 05 Nov
2006 - SS class = U
N4RV       7032.1 N1LN                                      2207 05 Nov
2006 - SS class = NOT IN LOG
WB2WPM     7032.1 N1LN        NC                            2208 05 Nov
2006 - SS class = A

As you can see, I was spotted 9 times in the 2006 CW SS.   Two of the
spotters are NOT "U" class and one was not even in my log.    The "S" is
treated as a Multi-Op so using the cluster is legal.

For the last two spots on Sunday (N4RV and WB2WPM) I made 12 Qs in the 20
minutes before being spotted.   In the 20 minutes after being spotted I made
22 Qs.  Then the rate went back to the 12.  So, there was a noticeable
burst.   I was on the same frequency for the entire 40 minutes (7.032 as the
spots indicate) and no Qs were made on  radio 2 during that time.   By the
way, I was entered as a "U" :-)

Not a big sample, but I am convinced of two things.

1. Spotting does indeed help. (from previous contests, not just this limited
sample)
2. Clusters are indeed used by more stations that are coded as U, M or S.

73,
Bruce - N1LN


----- Original Message ----- 
From: "alsopb" <alsopb at gloryroad.net>
To: "pvrcnc" <pvrcnc at mailman.qth.net>
Sent: Monday, November 06, 2006 9:56
Subject: [PVRCNC] Does being spotted help?


> Guys,
>
> It would be interesting to know if and by how much spotting helps the
> spotted station.
>
> I just ran a quick analysis of 2006 SS for my statistically meager data.
>
> 17 instances of being spoted, types of stations worked within four
> minutes of spot in each class tabulated
>
> The fraction of stations worked in each class were compared to the
> 2005 SS fractions in each class. (Big assumption 2006=2005
> participation fractions.  However, it appears that the makeup of SS
> doesn't change much from year to year.  The same stations in the same
> categories seem to always show up.  The same stations always place at
> the top too!)
>
>
> Results
> CLASS  SPOT FR 2005 FRA
> A .42 .48
> B .10 .19
> U .28 .15
> M .05 .05
> Q .15 .12
>
> The number of A,B,U,M and Q contacts were 26,6,17,3,9 respectively.
>
> One would expect more U's fractionally to be worked if being spotted
> helps.  The other categories should be close to but below their class
> fraction.  Big IF -- everybody is being honest and not using spots if
> their class doesn't allow it.
>
> It does appear that U's do call in more frequently-- about twice as
> often. Hence being spotted helps.  Unfortunately, the small sample
> size can lead to unreal results.  Here the help would be something
> like 8 QSO's.  Some of these 8 could probably happen anyhow.
>
> It would be interesting to do a more complete analysis over thousands
> of spots with hundreds of stations.
>
> 73 de Brian/K3KO
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