[Skimmertalk] Double image of CW signals ?

Andrew O'Brien k3ukandy at gmail.com
Wed Sep 5 21:04:54 EDT 2018


Thanks ...  I will go back and read this.  Today skimmer is reporting
stations TWICE , a station that is reported by the RBN as on 7028.8 is
reported by my CWS as on 7028.8 and then a few seconds later it chabges to
about 1.2Khz higher!

Andy

On Mon, Sep 3, 2018 at 6:11 PM N4ZR <n4zr at comcast.net> wrote:

> Images are readily identified because they are symmetrically distributed
> either side of a center frequency and move as the radio is tuned.  That
> I/Q balancer routine really works!
>
> 73, Pete N4ZR
> Check out the Reverse Beacon Network
> at <http://reversebeacon.net>, now
> spotting RTTY activity worldwide.
> For spots, please use your favorite
> "retail" DX cluster.
>
> On 9/3/2018 11:58 AM, Bob Wilson, N6TV wrote:
> > See the "I/Q Balancer" section in the CW Skimmer Help text.  It discusses
> > these images.
> >
> > 73,
> > Bob, N6TV
> >
> > On Sun, Sep 2, 2018 at 9:19 PM, Andrew O'Brien <k3ukandy at gmail.com>
> wrote:
> >
> >> I have had no issues with CW Skimmer for a while but now after setting
> up
> >> Skimmer to work with an icom 7610 (and work OK) I am suddenly getting
> two
> >> of every signal.  I have spent two days trying all sorts of ideas but
> have
> >> no solution .  It happens with both an Icom 7610 and old Flex 3000.
> >> Happens with VB Audio or with VAC.  The distance between the two images
> is
> >> about 3.5 Khz.
> >>
> >> Any ideas ?
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