[Dx4win] BandMap wildly wrong freq?

Thu Aug 13 15:12:06 EDT 2009

Look for GEMBIRD USB to SERIAL cables , they can handle all soft

Guy ON4AOI


> -----Oorspronkelijk bericht-----
> Van: dx4win-bounces at mailman.qth.net [mailto:dx4win-
> bounces at mailman.qth.net] Namens Mel
> Verzonden: donderdag 13 augustus 2009 20:36
> Aan: Heinz Goeddemeier
> CC: 'DX4WIN'; 'Rick Murphy'
> Onderwerp: Re: [Dx4win] BandMap wildly wrong freq?
> 
> I use a Microham interface... it uses USB and virtual ports and works
> fine. So some USB interfaces do work.
> 
> Heinz Goeddemeier wrote:
> > I had a similar problem. My old notebook Compaq EVO N800v doesn't
> have an
> > COM interface, so I tried to use an USB- COM interface from Belkin
> FSU109. I
> > used it once for controlling a RET-antenna unit successfully with
> that
> > notebook.
> > Recently I revived my amateur radio activities again using then
> DX4WIN 707,
> > but couldn't achieve a working connection to the radio YEASU
> FT1000MP. I
> > tried also the USB on the desktop without success as well. Tried to
> download
> > the latest driver but no success, too. I am not that experienced with
> > computers, so I dug free the only COM-interface on the desktop and
> radio
> > control worked immediately and stable. Then I tried the notebook
> using the
> > docking station`s COM port, also with success.
> > Consequently I put the Belkin USB-COM interface back into my
> drawer......
> >
> > Seems I need to obtain a COM interface card and forget about USB-COM
> > interfaces. Anyone with an idea????
> >
> > Heinz DK9DA
> >
> >
> > -----Original Message-----
> > From: dx4win-bounces at mailman.qth.net [mailto:dx4win-
> bounces at mailman.qth.net]
> > On Behalf Of Larry Gauthier (K8UT)
> > Sent: Thursday, August 13, 2009 1:40 PM
> > To: Mel; Rick Murphy
> > Cc: DX4WIN
> > Subject: Re: [Dx4win] BandMap wildly wrong freq?
> >
> > Rick,
> >
> > I also encountered problems tracking frequency with certain USB CI-v
> > interfaces and DX4Win. Troubleshooting was made more difficult by the
> fact
> > that some worked properly with my contest software (N1MM) but not
> with
> > DX4Win. This bug was evident in v7, and probably still lingers in v8.
> You
> > will see erroneous readings in the new v8 bandmap and the "Freq
> (KHz)"
> > field.
> >
> > Here's an easy test you can perform in either v7 or v8: from the main
> DX4Win
> >
> > dialogue window, select >Radio >Set frequency. Observe the Main
> Frequency
> > reading as you spin the VFO. You'll probably see the correct
> frequency some
> > of the time, but wrong frequencies most of the time. Whether that
> incorrect
> > frequency is reflected in the bandmap or in your QSO "Freq (KHz)"
> field
> > merely depends on when DX4Win does its polling. You can try to
> correct the
> > problem by adjusting your CI-v interface settings in DX4Win, but
> there are
> > some cables that DX4Win simply will not read correctly (although N1MM
> does
> > not have a problem).
> >
> > [NOTE: when looking at that "Radio Frequency Control" dialogue
> window, keep
> > in mind that DX4Win will not read the Icom split VFO frequency
> correctly .
> > This is not DX4Win's problem nor a bug - it's a shortcoming of Icom's
> > command language.]
> >
> > -larry
> > K8UT
> > ----- Original Message -----
> > From: "Mel" <ve2dc at videotron.ca>
> > To: "Rick Murphy" <k1mu at arrl.net>
> > Cc: "DX4WIN" <dx4win at mailman.qth.net>
> > Sent: Wednesday, August 12, 2009 21:07
> > Subject: Re: [Dx4win] BandMap wildly wrong freq?
> >
> >
> >> It sounds like you have the CI-V transceive function turned on
> causing
> >> data collisions. This is not recommended with DX4Win. Turn it off as
> per
> >> instructions and it should work fine. I would prefer Paul support
> >> transceive mode... but that isn't likely to happen soon...
> >>
> >> VE2DC... Mel
> >>
> >> Rick Murphy wrote:
> >>> I'm just starting out with DX4WIN 8; the rig is a IC-756 Pro III.
> >>> When I use the bandmap with "Follow radio" checked, it's pretty
> broken
> >>> due to completely wrong frequencies.
> >>>
> >>> For example, the rig is showing 50.125 Mhz right now. The band map
> >>> says "717,415.56 6m". It's sort of stable at that reading
> (sometimes
> >>> showing the right freq, usually not) until I spin the dial, then
> it'll
> >>> catch up for a few seconds until going to another bogus frequency.
> >>>
> >>> There's a pattern - usually 717,xxxx for 6m.  Or, switching the rig
> to
> >>> 20m (14,004.00) shows "475,416.56 20m". Or "1,400,526.00 20m".
> >>> (Currently it's swithcing between "14,005.08", "1,400,508.00", and
> >>> "475,416.56" in the bandmap.)
> >>>
> >>> The rig is set with default address, 9600 baud, CI-V transceive
> off.
> >>> DX4WIN set to poll at 5000 ms.
> >>>
> >>> How do I make this work right? Seems like a useful feature if it
> was
> >>> actually usable. :-)
> >>> 73,
> >>>     -Rick
> >> ______________________________________________________________
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