PowerSDR: RTTY + SDC + N1MM+
aleksand...@gmail.com
Hi Yuri,
My configuration: PowerSDR + SDC (Audio +RigSync) + N1MM+.
RTTY: offset in PowerSDR 1100Hz and Split Frequency in SDC -8900Hz
The above setup reads the RTTY signals in SDC, transfers spots data to N1MM+
and displays the data in N1MM+ Spectrum Window – a reliable service indeed.
However,
to use N1MM+ Digital Interface for a contest operation,
the audio stream must also be delivered to it. As the VAC has already been taken by the SDC,
we cannot assign it to perform simultaneously its task in N1MM+, can we?
My question:
Does SDC offer a way to split the audio, so that the same flow, beside the SDC Skimmer,
might be also delivered to N1MM+ Digital Interface, please?
In my configuration, I used RX1 for operating with N1MM+ and RX2 with its VAC for the SDC,
but I must admit it is a pretty awkward solution to the problem. Obviously, this solution
is not applicable in case there is no RX2 available.
I would really appreciate Your kind comment,
please…
Best regards,
Alec SP2EWQ
From: sdc-...@googlegroups.com <sdc-...@googlegroups.com> On Behalf Of UT4LW Yuri Pavlov
Sent: Saturday, April 3, 2021 2:54 PM
To: SDC Software Defined Connectors <sdc-...@googlegroups.com>
Subject: Re: Skimmer: Audio spectrum offset to the actual frequency
See the SDC documentation:
суббота, 3 апреля 2021 г. в 15:35:54 UTC+3, aleksand...@gmail.com:
Yuri,
Fantastic!! Great news - it did it!
I had to assign -9700 offset and radio, skimmer’s frequency and spectrum are well in match now.
I can also see SDC spots in the panadapter – really promising!!
The only thing left for now is to send the SDC spectrum and its spots into N1MM+.
BIG, big thanks for Your kind help..
Best regards,
Alec SP2EWQ
From: sdc-...@googlegroups.com <sdc-...@googlegroups.com> On Behalf Of UT4LW Yuri Pavlov
Sent: Saturday, April 3, 2021 1:20 PM
To: SDC Software Defined Connectors <sdc-...@googlegroups.com>
Subject: Re: Skimmer: Audio spectrum offset to the actual frequency
Here:
суббота, 3 апреля 2021 г. в 11:54:34 UTC+3, aleksand...@gmail.com:
Hi,
My setup: Flex-5000a (PowerSDR), RigSync, VAC, SKM Server.
Mode: CW - all seem to work well for me, except for:
The Audio spectrum displayed in the Skimmer window is offset -9700Hz
as referred to the frequency shown in the skimmer frequency scale (LO)
and the radio.
Where should I introduce the frequency correction so that the spectrum frequency
moves up and the Radio-LO frequency then match each other, please?
BTW: In the 'CW Skimmer' there is a parameter called Audio IF,
which serves the purpose, I think.
.
Your kind help will be really appreciated,
as I am absolutely confused at the moment...
Best regards,
Alec SP2EWQ
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UT4LW Yuri Pavlov
aleksand...@gmail.com
Yuri,
thank You indeed.
PowerSDR is presently the only architecture which can be used with my Flex-5000a,
so I cannot help but wait and hope for its next releases to bring the solution then.
Thanks again,
To view this discussion on the web visit https://groups.google.com/d/msgid/sdc-ut4lw/6db42103-b451-4d5d-a99c-8b9c7f8a020cn%40googlegroups.com.