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Re: [linrad] audio channels
- Subject: Re: [linrad] audio channels
- From: "Rein A. Smit" <rein0zn@xxxxxxxxxxxxxxxxx
- Date: Fri, 23 May 2003 13:56:34 -0700
Thanks for your future contribution. It is for the good for future
LINRAD users and to get more people on board.
I do not want to throw you of the track so the say, but
there are a few other reflectors that cover DSP etc.
You might look at the the dsp-10@xxxxxxx I am sure
you will get response there. Go to www.qth.net or
www.qsl.net and look for users groups. You will
find there all sorts of facets of amateur radio covered and
also the dsp10 and I believe dsp group. Then there are the
they are into those LO's, GPS stuff etc. If you monitor
what tis going on there, you will find info that will help you
They tell me that those DELTA44 boards are on eBAy,
( go to the US section ) In Holland there is not much
going on eBay yet. The prices are better but it can be
frustrating to become the winner.
I would think that you would not have any problems
getting it through customs. You can find these cards
in high end audio equipment stores, audio amplifiers,
mixers, etc I am sure if you go in there, they might
be able to help you. It is not something, you are
going to find in computer stores. It is a specialized
device. There is a link on the data collection to the
company and the providers for the software you will
need to make it part of Linrad.
Good luck during the weekend,
Peter van Daalen wrote:
> Dag Rein,
> Thanks for your audio card remarks.
> But I could't find the Delta44 card in Holland as yet.
> I believe it isn't for sale in PA-land at all.
> Fellow PA's and PE's, where did you buy this Delta card ?
> Maybe elsewhere in EU ?
> Someone who knows where, please inform me.
> Yes Rein, as soon as I'll have something working I will have my set up list
> into your Linrad archive.
> However, as I stated before, it is only this weekend ( to be precise, I'll
> begin right after this mail has been sent....) that I will start installing
> So, I have some adventures ahead....( I am told ).
> BTW, on this Linrad list I asked a question about the possible sense of a
> GPS locked HP OCXO local oscillator for the DC converter front end ( I am
> building Brooks Shera's GPS locked frequency standard ).
> I asked about the possibilities of very small FFT bin bandwidth filtering
> for possible QRSSS ).
> I am talking about 144 MHz......, yes I know, but I still want to try.
> Unfortunately, nobody responded.
> So, I'm not sure as yet on this aspect of my set up.
> Maybe, someone still has any thought on this ?
> I will shortly return to the list to report on my installation adventures of
> Linux and Linrad.
> 73, Peter PE1ECM
> >From: "Rein A. Smit" <rein0zn@xxxxxxxxxxxxx
> > Hi Peter,
> > Roger, Leif and myself had some discussion about those cards some
> > time
> > ago and from what I remember, those cards do not have the resolution
> > of the Delta 44 card. although they are being advertised as 24 bit.
> > I will try to locate Leif's exact arguments.
> > So you might want to look into that before you spend the the about
> > 100 dollars what they cost in the US .
> > I really believe the best is to stay as close as possible to the
> > proven set-up as published to avoid problems.
> > Let me make a point again in asking to list your set-up en
> > experiences
> > on the Linrad data collection bank.
> > 73 Rein