[Skimmertalk] CW Skimmer Telnet command to set sampling rate?

[Bob Wilson, N6TV]

Both Writelog and HDSDR support OmniRig, and HDSDR will synchronize your K3
VFO A frequency with the HDSDR cursor, if that's what you're looking for.

73,
Bob, N6TV

On Wed, Oct 5, 2016 at 3:00 PM, Dick Green WC1M <wc1m73 at gmail.com> wrote:

> Thanks, Pete.
>
> Stopping CW Skimmer, editing the file and restarting is a bit awkward, but
> possible. One problem is that I'd have to hit the Run button after the
> restart. Perhaps I'll send an enhancement request to Alex :-).
>
> SkimScan is neat, and I think it would work with my equipment, but it's
> not what I'm looking for.
>
> I'm attempting to create an Assisted SO2R station that only uses local
> copies of Skimmer for spotting. Of course I could use the RBN or a
> combination of RBN and one or more local Skimmers, but I like the idea of
> an all-local system that only spots what my station can hear. It's still
> Assisted (by a definition I helped create),  but it feels more like
> something between Unassisted and Assisted: no other human ops involved.
>
> I started out with an Afedri 822x, which is the dual-channel model. The
> dual-channel seemed like an attractive way to monitor the antennas on each
> of my two K3s, using a splitter and RX OUT/RX IN, a design suggested to me
> by N6TV.  This approach frees me from the limitations of IF-based
> solutions. I like the Afedri's combination of network and USB access at a
> reasonable price. Unfortunately, the dual-channel implementation doesn't
> work with CW Skimmer (both I/Q streams are muxed into 4-channel audio) and
> while there's a Skimmer Server plug-in for the dual-channel Afedri, it
> always assigns the lowest frequency to channel 0, which would force me to
> always have the attached K3 on the lowest frequency band.
>
> So, I returned the 822x and bought two single-channel Afedri SDR-Net
> units. In this case, it's possible to run separate instances of HDSDR and
> CW Skimmer for each SDR and route the spots via Telnet into Writelog. It
> works really well, but frequency changes are problematic. I want the LO to
> be fixed in the center of the sample rate (e.g., 7,048,000 Hz when on 40m
> with a 96K sample rate), not following the rig frequency (which moves the
> scan window, like IF mode). The only way to do that is to manually change
> the frequency in HDSDR (or the Adfedri SDR-Net Control Box program) and
> also in CW Skimmer. The Afedri SDR-Net Control Box program can send the
> frequency to Skimmer via Telnet, but the frequencies for each band are
> fixed and not what I want.
>
> So, I modified my antenna-switching software, AntennaMaster (AM), to set
> the SDR LO via an Adfedri-supplied program and the CW Skimmer LO via
> Telnet. This works great. In fact, it works so well that I'm considering
> getting two more SDR-Net units to operate independently of the K3s on
> unused antennas for other bands. That would give me Skimmer on four bands
> simultaneously (of questionable value at this point in the solar cycle, but
> what the heck.)
>
> The only thing I can't do is set the Skimmer sample rate. I'd like to do
> that so the scan window is optimized for the size of the band. Say, 48K on
> 30m, 96K on 40m, 192K on 20m, 15m and 10m, etc. Probably not really
> necessary, but nice to have.
>
> The other thing I'm looking to do is communicate with HDSDR via its DDE
> interface so I can set it's frequency from my program too. But I've been
> unable to find any documentation on that interface. Anyone know where I can
> find it?
>
> 73, Dick WC1M
>
> -----Original Message-----
> From: Pete Smith N4ZR [mailto:n4zr at contesting.com]
> Sent: Wednesday, October 5, 2016 10:55 AM
> To: skimmertalk <skimmertalk at contesting.com>
> Subject: Re: [Skimmertalk] CW Skimmer Telnet command to set sampling rate?
>
> Dick, to the best of my knowledge, the only Telnet commands implemented
> are those shown in the "Telnet Commands" section of the CW Skimmer Help
> file - which does not include a sample rate command. The CW Skimmer.ini
> file has a section for each type of radio.  The one for the SoftRock looks
> like this:
>
> RigNo=1
> [sdrSR]
> SignalRate=96000
> CenterFreq=14040000
> CenterOffset=0
>
> Since the ini file specifies the sample rate (signal rate), it should be
> possible to create a batch file that would stop the software, edit the
> sample rate to a new value, and restart.
>
> You don't mention if you are using one of the multi-band Softrocks, but if
> so you might want to look at SkimScan SR by W3OA, to be found at
> http://dickwilliams.byethost17.com/SkimScanSR.html?i=1. While it does not
> provide for changing the sample rate, it offers the ability to band-hop on
> a variety of user-programmed schedules.  It's a very clever piece of work.
>
> 73, Pete N4ZR
> Download the new N1MM Logger+ at
> <http://N1MM.hamdocs.com>. 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 10/5/2016 3:06 AM, Dick Green WC1M wrote:
> > Hello all.
> >
> >
> >
> > Is there a Telnet command for CW Skimmer to set the Sampling Rate in
> > SoftRock mode?
> >
> >
> >
> > I'm able to use the SKIMMER/LO_FREQ command to set the LO frequency,
> > but there doesn't seem to be a similar command to set the sampling
> > rate. Is it unimplemented or just undocumented (I should be so lucky.)?
> >
> >
> >
> > 73, Dick WC1M
> >
> >
> >
> >
> >
> > _______________________________________________
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> >
>
>
>
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