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Re: [VHFcontesting] SDR1000 vs 6m xvtr

To: kr7o@vhfdx.com
Subject: Re: [VHFcontesting] SDR1000 vs 6m xvtr
From: "Anthony Rick" <asrick@gmail.com>
Date: Sat, 23 Feb 2008 12:10:16 -0600
List-post: <vhfcontesting@contesting.com">mailto:vhfcontesting@contesting.com>
If you like the ICOMs otherwise, you may want to consider the INRAD roofing
filter upgrade.  I don't have any personal experience with this modification
but the spectrum sweep on their site shows a pretty dramatic improvement.  I
suspect this would improve NB performance as well.

Here is a link: http://www.inrad.net/product.php?productid=260

Anthony
NR9R

On Sat, Feb 23, 2008 at 11:58 AM, <kr7o@vhfdx.com> wrote:

> Thanks for your response Russ.  Since I think you were the only person (I
> think) to reply to the reflector I will reply here also.  Your response
> seems to be the consensus of the several replies I received.  Good info to
> know.  I was pretty much expecting to run the transverter for the extra
> drive power for the amp, but if the SDR RX was superior on 6, I would have
> gone that route.  My SDR-1000 should be here Friday and while I primarily
> purchased it to try some of the new weak signal DSP applications for EME,
> I
> am hoping that this IF strip will exceed the capabilities of my current
> 756PRO's.  Strong signal and NB issues are a weakness in the 756PRO on 6
> meters.  I used to run a TS-830 + DEMI transverter, but switched to the
> PROs for all the extra features they offered, but I had to accept those
> two
> limitations.
>
> That isn't to say that the 756PRO is trash.  The noise blanker is good,
> but
> doesn't compare to a rig with an excellent blanker.  The PRO does not deal
> well with multiple 20db +S9 signals especially when using dual watch.
> Unfortunately, this is common in band openings or when K6MYC is your
> neighbor.  Not ready to part with my two PROs yet though.
>
> If I forgot to respond privately to any direct responses, thank you for
> your input.
>
>
>
>
> At 03:00 PM 2/23/2008 +0000, kb8u vhf wrote:
>
> >The SDR1000 has a LOT of birdies on 6m, especially near 50Mhz.  It is
> also
> >not terribly sensitive so I'd reccommend using a transverter if you have
> >one available.
> >
> >-Russ  KB8U
> > > Message: 3> Date: Tue, 19 Feb 2008 12:47:40 -0800> From:
> > kr7o@vhfdx.com> Subject: [VHFcontesting] SDR1000 vs 6m xvtr> To:
> > vhfcontesting@contesting.com,vhf@w6yx.stanford.edu> Message-ID:>
> > <5.1.0.14.2.20080219124209.029c3d78@mail2.mydomainwebhost.com>>
> > Content-Type: text/plain; charset="us-ascii"; format=flowed> > I am
> > curious if anyone has done any comparisons of the built-in 6m >
> > capability of the SDR1000 vs the SDR1000 as an IF for a DEMI or SSB 6m >
> > transverter. I am particularly interested in strong signal handling and
> >
> > dynamic range. Should have an SDR1000 in a couple weeks. Is it worth >
> > having the external hardware? Curious to see how it performs for EME >
> > and >60db over S9 signals. I already have a DEMI xvtr on hand.> > > >
> 73,
> > Robert KR7O/YB2ARO, DM07ba/OI52ee (ex. N7STU)> kr7o@vhfdx.com> >
> > www.vhfdx.com (KR7O/YB2ARO homepages)> >
> >_________________________________________________________________
> >Climb to the top of the charts! Play the word scramble challenge with
> star
> >power.
> >
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>
> 73, Robert KR7O/YB2ARO, DM07ba/OI52ee  (ex.  N7STU)
> kr7o@vhfdx.com
>
> www.vhfdx.com (KR7O/YB2ARO homepages)
>
>
>
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