[eagle] Re: PAVE PAWS EMI

Dave hartzell hartzell at gmail.com
Mon Sep 3 10:57:46 PDT 2007


Attached is a Matlab plot of Juan's SDR-IQ PAVE PAWS capture...

In the plot, you can really see the noise-blanker suppression after
each spike...

Dave



On 9/3/07, Robert McGwier <rwmcgwier at gmail.com> wrote:
> Juan Rivera wrote:
> > Hi Dave,
> >
> > I noticed that too.  I killed the AGC but didn't think of the noise blanker.
> > I'll take a look and try again if it was on.  Right now I can't communicate
> > with the CAN-Do module or I would switch to the 70 cm prototype receiver and
> > repeat the test.
> >
> > Juan
> >
>
>
> Yes, please.  I have some interesting noise blanker stuff I want to work
> on to eliminate PAVE PAWS pulses on board the SDX transponder.  This is
> the PERFECT set of signal collection (SDR-IQ of IF) for doing that work.
>
> Thank you very much once again Juan for your extremely valuable
> contributions and your unbridled enthusiasm.  It is very welcome indeed.
>
> Bob
>
> --
> AMSAT Director and VP Engineering. Member: ARRL, AMSAT-DL,
> TAPR, Packrats, NJQRP, QRP ARCI, QCWA, FRC. ARRL SDR WG Chair
> "If you're going to be crazy, you have to get paid for it or
> else you're going to be locked up." Hunter S. Thompson
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