[Linrad] Re: Elderly computers.

[yo4aul <arrl.net; yo4aul@xxxxxxxxxxxxxxxx>]

Yes I have win98 running on the Pentium2 but I was not sure it will
run Linrad....

Thanks for explanations.

I encounter foll error message:

DA SYNC ERRORS 1

what is wrong?

73 Corneliu

On Jul 3, 2:53 am, Leif Asbrink <l...@xxxxxxxxxx> wrote:
> Hi Corneliu,
>
> > I have a Pentium 2 computer that I do not use much and also a more
> > modern computer Fujitsu Siemens that I am using daily.
> > I intend to use Linrad with wsjt software for EME and MS and I
> > understand that I need 2 computers for this purpose.
>
> No. You should be able to run both programs on the same computer.
> Screen space could be a limiting factor and although you could
> connect more screens to the same computer it will probably be
> far more convenient to use two computers.
>
> > It would be intresting to run Linrad on the Pentim 2 and wsjt on the
> > modern laptop.
>
> This should be OK - but whether the Pentium 2 is fast enough
> depends on your interference situation and on what hardware
> you want to use.
>
> > The problem is that I am not familiar with Linux
>
> You do not have to use Linux. You can run Linrad under Windows if
> you prefer to do that. At the present time Linrad works with
> Win 98, Win ME, Win 2000, Win XP, but NOT Vista. (I am working on
> it....)
>
> > and it is very hard to learn it to make all those settings.
>
> Yes. I can understand that. You actually need to get some
> understanding of the principles of operation of Linrad to
> be able to use it in full.
>
> Actually Linrad does not do things very differently from
> any transceiver - you just have the possibillity to change
> filters and some other functions more freely than you are
> used to. Linrad does not prevent you from asking for very
> odd configurations - I do not have much prejudice on what
> purpose you might have with your usage of Linrad and the
> program is written accordingly.
>
> Things are not critical however. You will have exactly
> the same compromise between dynamic range and system noise
> figure as you find in every receiver. If you ask for a filter
> with a skirt steepness of 10 Hz you will have to pay the cost
> in delay time of about 0.1s as in any filter. Digital or analog.
> (But very hard to do in an analog design if the flat bw is
> large)
>
> I suggest you play around for a while with Linrad. Then make
> a recording that contains a signal that you find very hard to
> copy and make that recording available to me including the
> parameters you have used. I will look for the best way of
> processing the recording. If there is a significant difference
> in performance I might understand what I need to explain better:-)
>
> > It would be interesting if you could offer a version of Linux with
> > Linrad preinstalled. It could be a simple version of Linux
> > suited for amateur purposes only.
>
> Computers develop fast. I do not want the burden to maintain
> my own Linux distribution to include the drive routines of all
> the new hardware that continously becomes available. It would
> also be totally needless.
>
> It is far more easy to install Linux than to install Windows
> on an unknown computer. Under Linux your install will be automatic
> while Windows will require you to know where to find the drive
> routines. It is OK on a new computer where the seller already
> did the work by use of the CDs that were supplied with the various
> pieces of hardware. If you put an Ethernet card, an USB card, a
> soundcard and a videocard that you found on a local flea-market
> into your Pentium2 computer and try to install Windows on it
> you will know..........
> With Linux it is usually VERY easy.
>
> > I think this way many amateurs will put their old computers at work.
> > It would be nice if somebody who has time and knowledge issue a live
> > CD with Linux with ham radio software preinstalled.
>
> If you can find someone who is willing to spend half a day
> helping you to get started, you will not need it any more
> and you will also understand why it is not quite as good an idea as
> it may look initially.
>
> > It is a pity to throw away Pentium 2 computers which could serve this
> > purpose.
>
> Sure. But there is presumably some kind of windows on them already
> and you can use it and run Linrad on them as they are:-)
> Linux is a bit more efficient though.....
>
> 73
>
> Leif

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