[Skimmertalk] Communication CW Skimmer <=> FT2000 - help needed
Pete Smith N4ZR
n4zr at contesting.com
Fri Feb 6 15:22:00 EST 2015
I've been encouraging Bob KD7YZ to use his SDR-IQstandalone, because he
is interested in contributing to the RBN. The IF connection is limited
(in software, I believe) to just 24 KHz. The pileups seem to be
tapering down some on K1N, so maybe 24 KHz is plenty for that purpose.
I've said this before, but ... it would be interesting to see what would
happen if a DXpedition used CW Skimmer technology to the fullest. Each
calling station would call just enough to get on the Skimmer bandmap,
and then shut up and listen. The DXpedition operator would click up or
down the list of calls, ripping off 4-5 QSOs per minute.
Of course then nobody would get the thrill of calling out of turn...
73, Pete N4ZR
Check out the Reverse Beacon Network at
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blog at reversebeacon.blogspot.com.
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On 2/6/2015 2:58 PM, Bob Wilson, N6TV wrote:
> On Fri, Feb 6, 2015 at 5:31 AM, KD7YZ <kd7yz at denstarfarm.us> wrote:
>
>> heh heh .... once upon a time, right after I got the SDR-IQ, I, uh,
>> rather inadvertently, uh, hmmmm, DESTROYED the input, due to rather
>> extreme overload
>>
> This should not be possible unless you connected it to a separate antenna.
>
>
>> Alex told me that the IF was a safe place from which to gather the
>> sigs. I've stayed with that.
>>
> Yes, but RX ANT OUT is also safe.
>
>
>> I'd like to try your idea. What port on the rear-apron are you tapping
>> from, for the input to SDR-IQ?
>>
> See my online presentation (also linked from my QRZ.COM page) for the
> details:
>
> - Adding a Software Defined Radio (SDR) to an SO2R station
> <http://tinyurl.com/4zama4>
>
> But you may not have to do that. You can fool OmniRig into monitoring and
> setting VFO B by editing the *FT-2000.ini* file in the *Rigs* subdirectory
> of the CW Skimmer Installation directory, e.g.,
>
> C:\Program Files (x86)\Afreet\OmniRig\Rigs\FT-2000.ini
>
>
> I've commented out the original lines (with a semicolon) and substituted a
> different command, highlighted.
>
> [pmFreqA]
> ; Command=(FA........;)
> Command=(FB........;)
> Value=2|8|vfText|1|0
> ReplyLength=0
>
> [pmFreqB]
> ; Command=(FB........;)
> Command=(FA........;)
> Value=2|8|vfText|1|0
> ReplyLength=0
>
>
> [STATUS2]
> ;Command=(FA;)
> Command=(FB;)
> ReplyEnd=(;)
> ;Validate=(FA........;)
> Value1=2|8|vfText|1|0|pmFreqA
>
> [STATUS3]
> ; Command=(FB;)
> Command=(FA;)
> ReplyEnd=(;)
> ;Validate=(FB........;)
> Value1=2|8|vfText|1|0|pmFreqB
>
> I have not tested it, and it may have unwanted side effects, so save a copy
> of your orignal FT-2000.ini file just in case.
>
> But I also agree with N4ZR that the best solution is to only use VFO A for
> TX and VFO B (SubRx) for Receiving the DX. Then your CW Skimmer scope will
> follow your TX frequency.
>
> 73,
> Bob, N6TV
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