[Skimmertalk] RBN Freq Shift in WT Bandmap with K3

K1TTT K1TTT at ARRL.NET
Fri Oct 12 16:05:20 EDT 2012


Is it JUST on 10m and 15m??  or is it just bigger on 10m and 15m than on
20m??  are you using ALL the skimmers, or have you filtered it down to just
a couple?  Is it related to just a particular skimmer or two maybe??

David Robbins K1TTT
e-mail: mailto:k1ttt at arrl.net
web: http://wiki.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://k1ttt.net


-----Original Message-----
From: John Baranyi [mailto:n8um at comcast.net] 
Sent: Friday, October 12, 2012 18:27
To: skimmertalk at contesting.com
Subject: [Skimmertalk] RBN Freq Shift in WT Bandmap with K3

When I pick skimmer spots off the Wintest bandmap, the returned frequency is
off by 300 to more than 600 cycles on my K3.  This occurs on 15 and 10
meters.  Anyone see anything like this?

John B. N8UM, Oak Ridge, Tennessee


> From: "Bob Wilson, N6TV" <n6tv at arrl.net>
> Date: October 12, 2012 1:39:59 PM EDT
> To: support at win-test.com
> Subject: Re: [WT-support] RBN Freq Shift in WT Bandmap with K3
> Reply-To: support at win-test.com
> 
> Please define what you mean by "way off".  You click on a spot reported at
28025.0 and the radio goes to 28026.0?  No one has reported anything like
that.  What type of receiver are you using?
> 
> The frequency calibration of your receiver could be off on 10m.  You can
verify this using a signal generator or even an SWR analyzer with an
accurate digital read out.
> 
> Of course make sure that XIT and RIT on the radio are OFF or zeroed.
> 
> RBN data is only reported to the nearest 100 Hz (truncated, not rounded),
so if the frequency is off by less than 100 Hz, there is nothing else you
can do.
> 
> 73,
> Bob, N6TV
> 
> On Fri, Oct 12, 2012 at 8:11 AM, N8UM <n8um at comcast.net> wrote:
> When using RBNs or even major clusters such as K3LR in the bandmap, when I
click on the spot the frequency returned on 15 and 10 meters is off and I
have to retune (re zero).  15 meters  is close but 10  meters is way off.
Is this the right forum to ask the question?
> 
>  
> 
> John B.  N8UM  Oak Ridge, Tennessee
> 
> 
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> 
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