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Re: 192k

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  • kb8dlm
    I have been playing with many different consoles, and PSDR v13.5 seems to work best, I m still waiting on my RXTX kit I ordered last weekend so I can start
    Message 1 of 4 , Aug 29, 2010
      I have been playing with many different consoles, and PSDR v13.5 seems to work best, I'm still waiting on my RXTX kit I ordered last weekend so I can start playing with the Tx aspect of it...

      --- In softrock40@yahoogroups.com, "Rudy Benner" <benner@...> wrote:
      >
      > Good stuff.
      >
      > ve3bdr
      >
      >
      > From: hughgibs
      > Sent: Sunday, August 29, 2010 11:05 AM
      > To: softrock40@yahoogroups.com
      > Subject: [softrock40] Re: 192k
      >
      >
      >
      >
      >
      > > I have been determined to attain a 192,000 sample rate
      > > I would really like more input from the group regarding this, and any info that relates to it.
      > >
      >
      > Hi. I have the 40m softrock receiver, and also a TxRxEnsemble for 15/12/10m.
      >
      > setup: XP pro 32-bit, Intel 6420 dual-core CPU, Asus P5B Deluxe motherboard, using built-in motherboard soundcard (Analogue Devices SoundMAX Intergrated Digital HD Audio)
      >
      > 192K is possible here with the new SRD-radio for the 40m softrock (with care). It is a shame rocky does not support 192K as I much prefer the display for picking up weak SSB signals, but SDR-radio is getting better with each release. Hopefully some day the display will be as good as picking out the weak signals as the Rocky display.
      >
      > PowerSDR v1.9.0 sr40 (soft-rock special version) works very well with the TxRx Ensemble, once you have learnt how to configure it!! but 192K is flaky. I usually stick with 96K sample mode, and set PowerSDR to re-tune the oscillator. I have had many good contacts with this setup, even running 1W, no booster-amps!!. I currently need to sort a few problems out with RF getting into USB/Audio lines. I may well build the TxRx Enseble into the PC metal box itself, to cut down these problems. I am using a Zatagi B300P amplifier, at low power (50W) straight from the TxRxEnseble, but I am also going to build up a German "QRPproject" 10W wideband Amplifier so I can run more power (120W ish from the Zetagi)
      >
      > 10m is a real blast with the TxRx ensemble, as you can watch a large portion of the SSB frequencies, and 'pounce' on Sporadic E signals.. much to the surprise of the person calling CQ, as you reply after the first CQ call! No more endless twiddling of the big knob!
      >
      > Have fun! Hugh Gibson G6AIG
      >
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