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SDC Skimmer for Flex Radios

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Comments

  • Erik Carling EI4KF
    Erik Carling EI4KF Member ✭✭✭

    As I said, I cannot reproduce it. You could ask Yuri by email.

  • Rick N0VT
    Rick N0VT Member ✭✭

    I just finished this week's Weekly RTTY Test (WRT), a new non-sprint, go-hard-for-30-minutes that's patterned on the CWT, only on RTTY.

    I have to say, if you haven't tried SDC in a RTTY contest, you're missing out! When running, the QSO entry screen gets automatically populated from the decoder--no "alt-G" or mouse clicks necessary. When S & P, just scroll up and down the spotlist. When you stop, again, it auto populates the entry box and you're ready to go.

    And no MMTTY, 2Tone or Gritty are necessary, the skimmer does an excellent job on it's own. Give it a shot, you won't be sorry.

    Rick N0VT

    PS-the WRT is on the WA7BMN contest calendar if you would like more info.

  • Erik Carling EI4KF
    Erik Carling EI4KF Member ✭✭✭

    Well done, Rick. Yuri has already made the update based on your findings

    https://www.lw-sdc.com/wp-content/uploads/2024/01/SDC_17.2209x64_setup.zip

  • Jim in TX
    Jim in TX Member ✭✭
    Trying out SDC on a Flex 6600. Thought I would ask users the knobs that can be turned.

    Not looking for the secret sauce of how the bits are jiggled. The focus here is on user adjustments.

    One, SDC takes an IQ stream. Are there any adjustments to this IQ stream from the Flex control side? For example, automatic gain or noise reduction? Or is this particular IQ stream tapped before any post processing?

    Two, SDC has an adjustment for AGC-T. Is this the only variable available to a user for decoding?

    I'm trying not to assume the architecture - only what a user can tweak.

    Thanks for insights.
  • Martin_G4ENZ
    Martin_G4ENZ Member ✭✭

    Hi Jim,

    There is no adjustments to the IQ stream apart from bandwidth. SDC can take 48, 96 or 192 kHz as you deem fit.

    The AGC-T adjustment doesn't affect the IQ stream at all. It is just a facility to adjust the behaviour of the AGC threshold in your SmartSDR slice's demodulator.

    73 Martin

  • Jim in TX
    Jim in TX Member ✭✭

    Martin, thanks for the reply.

    Your comment tells the tale as I suspected.

    At present, I am running one ethernet cable from the radio to a semi-smart switch, and one cable from the switch to a dedicated computer. No COM octopus, And it worked out of the box. I have had to **** on some quirks of Windows 11, but that has been old vs new user interfaces mostly. Still learning switchology on the radio but I will get there.

  • WX7Y
    WX7Y Member ✭✭✭

    I have tried to run the SDC Skimmer on my WIN11 machine and with the Win Firewall and security off IT WILL not start. It installed fine with out errors, I have tried to set the Permissions to Administrator and still doesn't run so not sure what is going on.

    I thought about loading a older version to see if it would load but I'm not sure that would make any difference or not.

    Thanks and if someone has an Idea what may be the reason and a solution I haven't already tried Let me know

  • Erik Carling EI4KF
    Erik Carling EI4KF Member ✭✭✭

    Are you referring to the Skimmer, ie the Skimmer does not start? In this case have you closely followed the user manual and verified the settings?


    Are you referring instead to the SDC program executable and that clicking its start menu shortcut does not work? If so, what do the log entries in Event Viewer - Windows Logs - Application show for the start failures?

  • WX7Y
    WX7Y Member ✭✭✭
    edited January 31


    I have the Registration Number to install in the Settings Config window but I get as far as the Flag and that's as far as it goes.

    I haven't seen the configuration page yet.

    I have CAT and DAX set up as the manual advised.

    I see SDC is running In Task manager but locks up and does not got to the main page shown in the manual.

    I have tried a earlier version and have the same issue.

    Here is the error I'm getting


    If I load as Administrator I don't get the above screen but the main screen just flash's up for about a 1/4 of a seconds and goes away.

    I have even tried to install it to my D: drive incase there is a permission problem with the "Program Files" location, but NO different.

    73

    Bret

    WX7Y

  • Erik Carling EI4KF
    Erik Carling EI4KF Member ✭✭✭

    When starting 'As Administrator' and you see a flash of the GUI, is there a SDC icon in the Windows System Tray?

    If so, right click to access the menu and show the SDC window.

    It is very difficult for me to advise knowledgably regarding code 740 and an email to the author Yuri may elicit some assistance. From my limited experience I would be looking at one or more of these possible solutions:

    1. Run program always as administrator
    2. Change folder permission
    3. Disable UAC
    4. Select Elevate without prompting (a Group Policy Editor setting only available to Pro users and not to Home users).


  • Erik Carling EI4KF
    Erik Carling EI4KF Member ✭✭✭


  • WX7Y
    WX7Y Member ✭✭✭

    I was able to finely get it to come up, Not sure what I did but out of the blue it came up and I was able to get it configured and the Registration finished on it.

    Thanks for your patience and suggestions.

    Bret

    WX7Y

  • N2TU
    N2TU Company Adviser ✭✭

    I just want to use the SDC RTTY Skimmer and not the entire Contest portion. I am very familar with N1MM+.

    Here's my 'problem' ! Running SDC, the SDC Skimmer sends the 'spot's out on port 7701. In my case, I am using ARuser to aggregate spots from various clusters.


    I have ARUser listening on 7701 and getting the spots but SDC Skimmer is looking for me to enter my callsign. After a few attempts, SDC Skimmer times out. How does SDC get my callsign?


    Help!

  • N2TU
    N2TU Company Adviser ✭✭

    Never mind!....In ARUser, I simply entered my Call as N2TU- and it worked. Now SDC skimmer is no loner asking for my call. Onto the next problem! Hi Hi

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