[Skimmertalk] FW: RBN Freq Shift in WT Bandmap with K3

K1TTT K1TTT at ARRL.NET
Fri Oct 12 16:37:49 EDT 2012


His reply, I think just came to me.

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 20:15
To: K1TTT
Subject: Re: [Skimmertalk] RBN Freq Shift in WT Bandmap with K3

Appears to be just 10 and 15.  Worse on 10 to the point I have to tweak the
400 cycle bandpass to tune the station in.   

No noticeable problem on 160/80/40/20

I am not filtering skimmers.

Appears to be all skimmers.

John B. N8UM Oak Ridge, Tennessee

On Oct 12, 2012, at 4:05 PM, "K1TTT" <K1TTT at ARRL.NET> wrote:

> 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
>> 
>> 
>> _______________________________________________
>> Support mailing list
>> support at win-test.com
>> http://lists.f5mzn.org/cgi-bin/mailman/listinfo/support
>> 
>> 
>> _______________________________________________
>> Support mailing list
>> support at win-test.com
>> http://lists.f5mzn.org/cgi-bin/mailman/listinfo/support
> _______________________________________________
> Skimmertalk mailing list
> Skimmertalk at contesting.com
> http://dayton.contesting.com/mailman/listinfo/skimmertalk
> 
> _______________________________________________
> Skimmertalk mailing list
> Skimmertalk at contesting.com
> http://dayton.contesting.com/mailman/listinfo/skimmertalk



More information about the Skimmertalk mailing list