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EB2DVY > PSK31 03.07.00 18:32l 1212 Lines 43140 Bytes #-9509 (0) @ WW.SYD.NS
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Subj: PSK31 Digest V1 #433
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From: EB2DVY@EA2URV.EABI.ESP.EU
To : PSK31@WW.SYD.NSW.AUS.OC
De: Psk31 Digest <owner-psk31@aintel.bi.ehu.es>
Para: <psk31-digest@bipt106.bi.ehu.es>
Asunto: Psk31 Digest V1 #433
Fecha: viernes 23 de junio de 2000 21:15
Psk31 Digest Friday, June 23 2000 Volume 01 : Number 433
In this issue:
Re: [psk31] sound cards
Re: [psk31] sound cards
[psk31] Re: your mail
Re: [psk31] sound cards
Re: [psk31] sound cards
Re: [psk31] sound cards
Re: [psk31] sound cards
Re: [psk31] sound cards
[psk31] Re:
[psk31] FD PSK FREQS
Re: [psk31] Re:
RE: [psk31] sound cards
RE: [psk31] sound cards
RE: [psk31] sound cards
[psk31] Ease up
Re: [psk31] Ease up/Sound Cards
[psk31] Re: your mail
Re: [psk31] Ease up/Sound Cards
[psk31] Stand-alone PSK
Re: [psk31] Standalone PSK
RE: [psk31] Ease up/Sound Cards
RE: [psk31] Stand-alone PSK
[psk31] Encouraging
See the end of the digest for information about psk31-digest
----------------------------------------------------------------------
Date: Thu, 22 Jun 2000 21:19:04 -0500
From: "Dan W. Dooley" <dandooley@pipeline.com>
Subject: Re: [psk31] sound cards
I agree. Until recently when I started using DigiPan, the original PSK31SBW
worked flawlessly on my 486. It's a bit more than a "50" - it's a 66 with a
586 x 133MHz processor in it with 36 M of RAM. And, yes, it runs DigiPan
ok. Not super fast at loading, but once loaded, it runs just fine.
And, this machine is running NT Server 4.0 NTFS and does double duty as my
network server. So does that make it a bit more "equivalent" to someone's
50 running 98?
I think that there is too much of a tendency to dismiss some of the lesser
machines. An elitist mentality which says "if you ain't got the latest and
fastest speed demon, you can't play" is wrong. If you have or can upgrade
to a faster machine, great, otherwise, just go do some PSK31.
Dan W. Dooley WB5TKA Bedford, Texas EM12ku
e-mail to: dandooley@pipeline.com
May Goddes love blest ye alle
SOC#198
"Ancient Pistol, I do partly understand your meaning."
- ----- Original Message -----
From: berferd <jrp@dimensional.com>
To: Robert Lay <w9dmk@crosslink.net>; Dave Huelsbeck <dhuelsbk@rouman.com>;
<psk31@bipt106.bi.ehu.es>
Sent: Thursday, June 22, 2000 8:11 PM
Subject: Re: [psk31] sound cards
> You better tell my 486-DX50 running win98 to cut it out
> right now! 8)
>
> 73,
> Jeff KI0RO
>
> On Thu, 22 Jun 2000, Robert Lay wrote:
> > Dear Dave,
> >
> > Don't waste your time with the 486-DX50 - it won't work in Win 9x and it
> > will probably be only acceptable with PSK31SBW in Win 3.1
> >
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Date: Thu, 22 Jun 2000 22:40:47 -0400
From: "KD2E" <ham@cybercomm.net>
Subject: Re: [psk31] sound cards
Or my 386SX-20 running Win95!
- ----- Original Message -----
From: berferd <jrp@dimensional.com>
To: Robert Lay <w9dmk@crosslink.net>; Dave Huelsbeck <dhuelsbk@rouman.com>;
<psk31@bipt106.bi.ehu.es>
Sent: Thursday, June 22, 2000 9:11 PM
Subject: Re: [psk31] sound cards
> You better tell my 486-DX50 running win98 to cut it out
> right now! 8)
>
> 73,
> Jeff KI0RO
>
> On Thu, 22 Jun 2000, Robert Lay wrote:
> > Dear Dave,
> >
> > Don't waste your time with the 486-DX50 - it won't work in Win 9x and it
> > will probably be only acceptable with PSK31SBW in Win 3.1
> >
> >
> >
> >
> >
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > to unsuscribe from the list send to majordomo@aintel.bi.ehu.es a message
> > with a text line as follow: unsubscribe psk31 or unsubscribe
psk31-digest
> >
> > More instructions on PSK31 Webpage: http://aintel.bi.ehu.es/psk31.html
> >
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>
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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>
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------------------------------
Date: Thu, 22 Jun 2000 21:39:19 -0500 (CDT)
From: Bob Roehrig <broehrig@admin.aurora.edu>
Subject: [psk31] Re: your mail
I am running a 486/66 with win 3.1 and it works just fine for Peter's
original PSK31 program. A great way to use that older machine that's
a bit too slow for surfing the web.
"Nostalgia is a thing of the past"
E-mail: broehrig@admin.aurora.edu or k9eui@arrl.net 73 de Bob, K9EUI
CIS: Data / Telecom Aurora University, Aurora, IL
630-844-4898 Fax 630-844-4222
PLEASE PUT ALL REPLIES IN ASCII TEXT ONLY
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------------------------------
Date: Thu, 22 Jun 2000 22:18:09 -0500
From: "Jerry G. Kincade" <w5kp@swbell.net>
Subject: Re: [psk31] sound cards
Yep, I better remove Win95 from my Toshiba 486-33 notebook too. :-)
Jerry W5KP
- ----- Original Message -----
From: berferd <jrp@dimensional.com>
To: Robert Lay <w9dmk@crosslink.net>; Dave Huelsbeck <dhuelsbk@rouman.com>;
<psk31@bipt106.bi.ehu.es>
Sent: Thursday, June 22, 2000 8:11 PM
Subject: Re: [psk31] sound cards
> You better tell my 486-DX50 running win98 to cut it out
> right now! 8)
>
> 73,
> Jeff KI0RO
>
> On Thu, 22 Jun 2000, Robert Lay wrote:
> > Dear Dave,
> >
> > Don't waste your time with the 486-DX50 - it won't work in Win 9x and it
> > will probably be only acceptable with PSK31SBW in Win 3.1
> >
> >
> >
> >
> >
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > to unsuscribe from the list send to majordomo@aintel.bi.ehu.es a message
> > with a text line as follow: unsubscribe psk31 or unsubscribe
psk31-digest
> >
> > More instructions on PSK31 Webpage: http://aintel.bi.ehu.es/psk31.html
> >
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>
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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>
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> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
>
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Date: Thu, 22 Jun 2000 23:26:30 -0400
From: "Robert Lay" <w9dmk@crosslink.net>
Subject: Re: [psk31] sound cards
Dear Jeff,
Lots of confusion, because too much taken for granted. My statement about a
486 DX50 not working in Win98 was not to say that it won't run Windows 98
(although it shouldn't) - it was to say that you shouldn't be able to run
any of the 32 bit PSK programs in Windows 98 with that machine - at least I
have not been able to do so. I have been able to get PSK31SBW to work in a
486-DX50, but only under Win3.1.
When I tried to upgrade that same machine to Windows 98, the Windows 98
installation program explicitly said that it must see a 486-66MHz, minimum
and would not continue. That would be enough reason for me to say that a
486-DX50 would not even run Win 98. You may have tricked it somehow, or just
gotten lucky - I don't know.
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------------------------------
Date: Thu, 22 Jun 2000 23:38:31 -0400
From: "Robert Lay" <w9dmk@crosslink.net>
Subject: Re: [psk31] sound cards
>Yep, I better remove Win95 from my Toshiba 486-33 notebook too. :-)
>Jerry W5KP
Dear Jerry,
I am sticking by my posting. It was clearly in the context of running a
PSK31 program in a Windows 9x environment. Nowhere did I suggest that a 486
anything was incapable of running Windows 95. I was running Windows 95 in a
386DX40 with 4MB or RAM, since the day Windows 95 hit the street.
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Date: Thu, 22 Jun 2000 22:00:05 -0600
From: berferd <jrp@dimensional.com>
Subject: Re: [psk31] sound cards
Bob
I agree 100% about running some PSK31 programs (like Digipan) with
Win9x and some 486s. Not enough horsepower. I know one guy who
runs Win95 on his 486 with the original psk31 program (don't remember
the name); he doesn't think his machine would be up to the task of
running Digipan.
I mistakenly thought you were saying that Win9x would not run on a
486. That was what my comment was about.
73,
Jeff KI0RO
On Thu, 22 Jun 2000, Robert Lay wrote:
> >Yep, I better remove Win95 from my Toshiba 486-33 notebook too. :-)
> >Jerry W5KP
>
> Dear Jerry,
>
> I am sticking by my posting. It was clearly in the context of running a
> PSK31 program in a Windows 9x environment. Nowhere did I suggest that a 486
> anything was incapable of running Windows 95. I was running Windows 95 in a
> 386DX40 with 4MB or RAM, since the day Windows 95 hit the street.
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Date: Thu, 22 Jun 2000 22:09:35 -0600
From: berferd <jrp@dimensional.com>
Subject: Re: [psk31] sound cards
I use a soundblaster awe64..but I don't use the machine for psk31.
73,
Jeff KI0RO
On Thu, 22 Jun 2000, Randall wrote:
> If I may ask , what software and sound card are you using with your DX50 ?
> thanks
>
>
> ----- Original Message -----
> From: "berferd" <jrp@dimensional.com>
> To: "Robert Lay" <w9dmk@crosslink.net>; "Dave Huelsbeck"
> <dhuelsbk@rouman.com>; <psk31@bipt106.bi.ehu.es>
> Sent: Thursday, June 22, 2000 8:11 PM
> Subject: Re: [psk31] sound cards
>
>
> > You better tell my 486-DX50 running win98 to cut it out
> > right now! 8)
> >
> > 73,
> > Jeff KI0RO
> >
> > On Thu, 22 Jun 2000, Robert Lay wrote:
> > > Dear Dave,
> > >
> > > Don't waste your time with the 486-DX50 - it won't work in Win 9x and it
> > > will probably be only acceptable with PSK31SBW in Win 3.1
> > >
> > >
> > >
> > >
> > >
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > > to unsuscribe from the list send to majordomo@aintel.bi.ehu.es a message
> > > with a text line as follow: unsubscribe psk31 or unsubscribe
> psk31-digest
> > >
> > > More instructions on PSK31 Webpage: http://aintel.bi.ehu.es/psk31.html
> > >
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >
> > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > to unsuscribe from the list send to majordomo@aintel.bi.ehu.es a message
> > with a text line as follow: unsubscribe psk31 or unsubscribe psk31-digest
> >
> > More instructions on PSK31 Webpage: http://aintel.bi.ehu.es/psk31.html
> > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >
>
>
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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>
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Date: Fri, 23 Jun 2000 17:26:54 +1000
From: "Graeme Zimmer" <gzimmer@bigpond.com>
Subject: [psk31] Re:
Hi Dave,
> I'm a tad mystified why a 31 baud psk system needs such horsepower.
[snip]
> Did anyone ever write a PSK-31 program that would run on an 80x86 in DOS?
Well, I've written PSK31 for a PIC processor. Is that small enough? (grin)
I did have to use hardware Switched Capacitor Filters however.
Decoding the PSK is fairly trivial, but a suitable DSP audio filter takes
quite a bit more grunt
(especially if your processor doesn't have MAC commands).
I think that the MMX Pentium is the only PC processor which does have MAC
available, but I wouldn't be surprised if you have to go to assembler to
use that feature. But then I really don't know.
I would guess that the Spectrogram type display (FFT and Waterfall) takes up
most of the processor time.
Especially on a M/S Windows machine. Widows has unbelievably poor real-time
response.
The ultimate OS for sound-card stuff must be BeOS, as it specifically has
audio and video streaming built in.
............................ Zim ................ Vk3GJZ
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Date: Fri, 23 Jun 2000 08:11:00 EDT
From: Ebruchac@aol.com
Subject: [psk31] FD PSK FREQS
FD FREQS
Looks like we're all in agreement that 10M, 15M and 40M will work for FD.How
about these starting points;
10M= 28120.
15M= 21070.
40M= 7080.
We plan to start on 10M, then move to 15M and 40M,spending 30 minutes per
band,regardless of activity,to work as many FDers as possible........
Hope to read you on the weekend. Good luck with the contest.
Ed Bruchac N4ZUM
Operating as W4CUE--7A Alabama
(FYI--we'll be operating on a mountain top site from North Central Alabama )
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Date: Fri, 23 Jun 2000 07:49:37 -0500
From: ak0b <ak0b@swbell.net>
Subject: Re: [psk31] Re:
- -----Original Message-----
From: Graeme Zimmer <gzimmer@bigpond.com>
Date: Friday, June 23, 2000 3:20 AM
>Well, I've written PSK31 for a PIC processor. Is that small enough? (grin)
>I did have to use hardware Switched Capacitor Filters however.
How about sharing the code and circuit for the PIC processor based PSK31
computer. Do you have it on the web some place ? I have web space if you
need it. Maybe one of us could turn that into a nice little portable unit.
??
Thanks, 73 de Stan AK0B
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Date: Fri, 23 Jun 2000 08:33:16 -0500
From: "William Lederer" <wgl@mcs.com>
Subject: RE: [psk31] sound cards
Now, you say running--wondering if 'walking' might be a better
description?
- -----Original Message-----
From: owner-psk31@bipt106.bi.ehu.es
[mailto:owner-psk31@bipt106.bi.ehu.es]On Behalf Of KD2E
Sent: Thursday, June 22, 2000 9:41 PM
To: jrp@dimensional.com; Robert Lay; Dave Huelsbeck;
psk31@bipt106.bi.ehu.es
Subject: Re: [psk31] sound cards
Or my 386SX-20 running Win95!
- ----- Original Message -----
From: berferd <jrp@dimensional.com>
To: Robert Lay <w9dmk@crosslink.net>; Dave Huelsbeck <dhuelsbk@rouman.com>;
<psk31@bipt106.bi.ehu.es>
Sent: Thursday, June 22, 2000 9:11 PM
Subject: Re: [psk31] sound cards
> You better tell my 486-DX50 running win98 to cut it out
> right now! 8)
>
> 73,
> Jeff KI0RO
>
> On Thu, 22 Jun 2000, Robert Lay wrote:
> > Dear Dave,
> >
> > Don't waste your time with the 486-DX50 - it won't work in Win 9x and it
> > will probably be only acceptable with PSK31SBW in Win 3.1
> >
> >
> >
> >
> >
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> > with a text line as follow: unsubscribe psk31 or unsubscribe
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> >
> > More instructions on PSK31 Webpage: http://aintel.bi.ehu.es/psk31.html
> >
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> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
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Date: Fri, 23 Jun 2000 08:33:10 -0500
From: "William Lederer" <wgl@mcs.com>
Subject: RE: [psk31] sound cards
I have a gateway laptop called the Colorbook that is a 486 dx2 50 that
runs windows 95; runs it well, but not fast.
This particular colorbook has played an important part in many a field
day. However, have not tried psk on it. The machine is in semi-retirement.
- -----Original Message-----
From: owner-psk31@bipt106.bi.ehu.es
[mailto:owner-psk31@bipt106.bi.ehu.es]On Behalf Of berferd
Sent: Thursday, June 22, 2000 8:12 PM
To: Robert Lay; Dave Huelsbeck; psk31@bipt106.bi.ehu.es
Subject: Re: [psk31] sound cards
You better tell my 486-DX50 running win98 to cut it out
right now! 8)
73,
Jeff KI0RO
On Thu, 22 Jun 2000, Robert Lay wrote:
> Dear Dave,
>
> Don't waste your time with the 486-DX50 - it won't work in Win 9x and it
> will probably be only acceptable with PSK31SBW in Win 3.1
>
>
>
>
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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>
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> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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Date: Fri, 23 Jun 2000 08:36:29 -0500
From: "William Lederer" <wgl@mcs.com>
Subject: RE: [psk31] sound cards
Er, one might suggest that it is the OS that consumes the resources
in this case, rather than the psk software.
There is a very old story (dating myself here, i am afraid) that old
mainframes used to have an indicator light on the front panel that
turned on whenever the OS, or 'supervisor', as it was sometimes called,
was running, as opposed to the user's applications. When the typical
usage of the cpu by the OS hovered around 50%, marketing suggested
that such a light be removed.
For something like the psk programs, it is easy to imagine that the
OS could easily use much more of the machine's resources than the
psk program.
- -----Original Message-----
From: owner-psk31@bipt106.bi.ehu.es
[mailto:owner-psk31@bipt106.bi.ehu.es]On Behalf Of Robert Lay
Sent: Thursday, June 22, 2000 10:27 PM
To: jrp@dimensional.com; psk31@bipt106.bi.ehu.es
Subject: Re: [psk31] sound cards
Dear Jeff,
Lots of confusion, because too much taken for granted. My statement about a
486 DX50 not working in Win98 was not to say that it won't run Windows 98
(although it shouldn't) - it was to say that you shouldn't be able to run
any of the 32 bit PSK programs in Windows 98 with that machine - at least I
have not been able to do so. I have been able to get PSK31SBW to work in a
486-DX50, but only under Win3.1.
When I tried to upgrade that same machine to Windows 98, the Windows 98
installation program explicitly said that it must see a 486-66MHz, minimum
and would not continue. That would be enough reason for me to say that a
486-DX50 would not even run Win 98. You may have tricked it somehow, or just
gotten lucky - I don't know.
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Date: Fri, 23 Jun 2000 09:07:15 -0500
From: "Duane L. Mitchell" <duanelmitchell@worldnet.att.net>
Subject: [psk31] Ease up
Come on guys,
What difference does it make what kind of a computer each of us use?
If some one can take an old Commodore 64 and make it work with PSK and is
happy with it. What business is it of any of the rest of us.
Some of the great advances in Ham Radio are made by guys who have limited
resources at his disposal but still is able to make things work properly and
get on the air. It's not the guy with a fat bank roll who can go plunk down
$5000 for the latest gadgetry but can't twist two wires together.
Just one guys opinion.
Mitch
W9FZO
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Date: Fri, 23 Jun 2000 11:11:17 -0400
From: Vince <wa2rsx@worldnet.att.net>
Subject: Re: [psk31] Ease up/Sound Cards
Indeed: Ease Up !
Although the subject line (sound cards) has become inaccurate, I have found the
postings on which cpu is being used with psk31 software of interest to me.
I have a 486dx2-66 by GATEWAY2000 (1994 era) w/o any soundcard. I wonder what
sound card is available for this machine nowadays? It does have PCI slots
available and CDrom.
I would like to hear from 486dx2-66 owners with regard to which soundcard is
being used and to find out if any soundcard on the store shelf *today* would
work in this machine. Packaging for soundcards seem to indicate a Pentium cpu is
a minimum requirement ??
It would be nice to put the 486dx2-66 into operation again, rather than sitting
there collecting dust. It presently has W95b running/walking with 8MB RAM
......
73s,
~Vince~
"Duane L. Mitchell" wrote:
> Come on guys,
>
> What difference does it make what kind of a computer each of us use?
<<SNIPPED>>
> Just one guys opinion.
>
> Mitch
>
> W9FZO
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Date: Fri, 23 Jun 2000 11:56:06 -0400 (EDT)
From: Charles Scott <cscott@gaslightmedia.com>
Subject: [psk31] Re: your mail
Dave:
I don't have an answer for you since I run a fairly fast system
(although I think I've seen it run on fairly old systems), but this does
bring up a question that my partner asked.
Is the DSP done on the sound card or the software? My partner thought
that the DSP routines might be downloaded to the sound card and run using
the processor on there. I was pretty sure that it was done in the program
software. I guess how it's done would have an effect on how much processor
power is needed.
Chuck
On Thu, 22 Jun 2000 axeco@juno.com wrote:
> Dear Psker list,
>
> I've seen a number of posts to this list over the past couple of weeks
> discouraging folks from using anything less then a Pentium for PSK-31.
> This leaves me with a couple of questions.
>
> I'm a tad mystified why a 31 baud psk system needs such horsepower. Is it
> all the wonderful interface programs with wideband waterfall displays and
> point and click QSY features that require a Pentium, or is there
> something intrinsic in a 16-bit soundcard that relies on the computer's
> CPU to do a lot of the DSP effort, or is it something basic to the
> various PSK-31 algorithms?
>
> While I do have a Pentium, it's not in my shack and I don't particularly
> want to dedicate it to the ham shack. I'd like to be able to dust off one
> of my retired 386 or 486 machines for PSK-31. There may be others out
> there who are in the same boat and, like me, might be discouraged from
> the mode because a 386 or 486 isn't up to the task.
>
> Did anyone ever write a PSK-31 program that would run on an 80x86 in DOS?
> In a somewhat related question did anyone ever write a PSK-31 program for
> the ADSP-2181? I know G3PLX reported there was one written for the
> ADSP-21061 by DL6IAK.
>
> 73 de Dave W7AGJ
>
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Date: Fri, 23 Jun 2000 11:35:25 -0500
From: "Dan W. Dooley" <dandooley@pipeline.com>
Subject: Re: [psk31] Ease up/Sound Cards
Vince, I'm running a DX2-66. I did put a Kingston "upgrade" processor into
it some years ago. It's a 586x 133MHz. Still a 486 at heart. Speed tests
I've run on it puts it sorta on par with a 90 Pent. The OS is NT Server
4.0.
I have no PCI slots. Just VESA and ISA slots. That give you an indication
of the machines age? I use a SoundBlaster 16 (ISA) and it works fine for
PSK31.
If you have PCI slots, and they are truly PCI compliant, I think I would go
that route. I think that you will have fewer problems by doing so. The
soundboard in my 496 works fine. On another machine, a Pent. 200 I also had
a SoundBlaster board. Not the same model as in my server. I had some
difficulties with the system (don't recall what, now) which seemed to be
related to the card. I replaced it with a PCI card and it runs fine. I've
not tried to run PSK31 on this machine however.
I wonder too if the PCI cards are going to be more efficient processors of
the audio data. Perhaps the will make fewer demands on the system
processor. Not sure about that.
Anyhow, it must be 16 bit and must truly be SoundBlaster compliant.
Dan W. Dooley WB5TKA Bedford, Texas EM12ku
e-mail to: dandooley@pipeline.com
May Goddes love blest ye alle
SOC#198
"Ancient Pistol, I do partly understand your meaning."
- ----- Original Message -----
From: Vince <wa2rsx@worldnet.att.net>
To: Duane L. Mitchell <duanelmitchell@worldnet.att.net>
Cc: <psk31@bipt106.bi.ehu.es>
Sent: Friday, June 23, 2000 10:11 AM
Subject: Re: [psk31] Ease up/Sound Cards
> Indeed: Ease Up !
>
> Although the subject line (sound cards) has become inaccurate, I have
found the
> postings on which cpu is being used with psk31 software of interest to me.
>
> I have a 486dx2-66 by GATEWAY2000 (1994 era) w/o any soundcard. I wonder
what
> sound card is available for this machine nowadays? It does have PCI slots
> available and CDrom.
>
> I would like to hear from 486dx2-66 owners with regard to which soundcard
is
> being used and to find out if any soundcard on the store shelf *today*
would
> work in this machine. Packaging for soundcards seem to indicate a Pentium
cpu is
> a minimum requirement ??
> It would be nice to put the 486dx2-66 into operation again, rather than
sitting
> there collecting dust. It presently has W95b running/walking with 8MB
RAM
> ......
>
> 73s,
> ~Vince~
>
> "Duane L. Mitchell" wrote:
>
> > Come on guys,
> >
> > What difference does it make what kind of a computer each of us use?
>
> <<SNIPPED>>
>
> > Just one guys opinion.
> >
> > Mitch
> >
> > W9FZO
>
>
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> with a text line as follow: unsubscribe psk31 or unsubscribe psk31-digest
>
> More instructions on PSK31 Webpage: http://aintel.bi.ehu.es/psk31.html
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
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Date: Fri, 23 Jun 2000 12:36:33 -0400
From: "Bob Lewis" <aa4pb@erols.com>
Subject: [psk31] Stand-alone PSK
What might be interesting would be a "low power" stand-alone PSK system.
Something like the PIC processor with an LCD readout and perhaps a PS2
keyboard connector. Using a lap top for portable operation, the lap top
consumes more average power than the 5 watt transceiver and contributes
probably 50% to the size and weight of the station.
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Date: Fri, 23 Jun 2000 13:45:31 EDT
From: Charles R Greene <cgreene7@juno.com>
Subject: Re: [psk31] Standalone PSK
On Fri, 23 Jun 2000 12:36:33 -0400 "Bob Lewis" <aa4pb@erols.com> writes:
> What might be interesting would be a "low power" standalone PSK
> system.
> Something like the PIC processor with an LCD readout and perhaps a
> PS2
> keyboard connector. Using a lap top for portable operation, the lap
> top
> consumes more average power than the 5 watt transceiver and
> contributes
> probably 50% to the size and weight of the station.
Bob
Here's from some measurements I made today, for field day:
Laptop, no screen or HD .91 A @ 12 VDC
Laptop, no HD 1.4 A
Laptop, with everything 2.5 A
running while
accessing HD
Compare that to the current, weight and size of the PSK-20.
It's about 80 to 90 % of the total.
Chas, W1CG
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Date: Fri, 23 Jun 2000 13:55:56 -0500
From: "William Lederer" <wgl@mcs.com>
Subject: RE: [psk31] Ease up/Sound Cards
Nah--there are still many very basic sound cards that work with that
sort of CPU. Look for ISA type bus on the package for the card.
Next time i stop by CDW i will look for which ones are still on the
shelf. I think there are still serveral--in very low price range,
eg., $40.
- -----Original Message-----
From: owner-psk31@bipt106.bi.ehu.es
[mailto:owner-psk31@bipt106.bi.ehu.es]On Behalf Of Vince
Sent: Friday, June 23, 2000 10:11 AM
To: Duane L. Mitchell
Cc: psk31@bipt106.bi.ehu.es
Subject: Re: [psk31] Ease up/Sound Cards
Indeed: Ease Up !
Although the subject line (sound cards) has become inaccurate, I have found
the
postings on which cpu is being used with psk31 software of interest to me.
I have a 486dx2-66 by GATEWAY2000 (1994 era) w/o any soundcard. I wonder
what
sound card is available for this machine nowadays? It does have PCI slots
available and CDrom.
I would like to hear from 486dx2-66 owners with regard to which soundcard is
being used and to find out if any soundcard on the store shelf *today* would
work in this machine. Packaging for soundcards seem to indicate a Pentium
cpu is
a minimum requirement ??
It would be nice to put the 486dx2-66 into operation again, rather than
sitting
there collecting dust. It presently has W95b running/walking with 8MB RAM
......
73s,
~Vince~
"Duane L. Mitchell" wrote:
> Come on guys,
>
> What difference does it make what kind of a computer each of us use?
<<SNIPPED>>
> Just one guys opinion.
>
> Mitch
>
> W9FZO
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Date: Fri, 23 Jun 2000 13:56:54 -0500
From: "William Lederer" <wgl@mcs.com>
Subject: RE: [psk31] Stand-alone PSK
Or--how about one that interfaces to an HP200LX? That would move
the percentage in the right direction!
- -----Original Message-----
From: owner-psk31@bipt106.bi.ehu.es
[mailto:owner-psk31@bipt106.bi.ehu.es]On Behalf Of Bob Lewis
Sent: Friday, June 23, 2000 11:37 AM
To: psk31@bipt106.bi.ehu.es
Subject: [psk31] Stand-alone PSK
What might be interesting would be a "low power" stand-alone PSK system.
Something like the PIC processor with an LCD readout and perhaps a PS2
keyboard connector. Using a lap top for portable operation, the lap top
consumes more average power than the 5 watt transceiver and contributes
probably 50% to the size and weight of the station.
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Date: Fri, 23 Jun 2000 12:02:40 PDT
From: axeco@juno.com
Subject: [psk31] Encouraging
Dear fellow psker-listers,
How fancy a computer does one need to have fun with PSK-31? It is clear
there are at least two threads on this subject and both are valid IMHO.
One thread deals with how to get more and more user friendly
functionality into PSK-31 (contesting, 2.5 KHz wide waterfalls, etc.) and
the other thread is how little computing capability is required to get
into PSK-31 (portable or very low cost operations).
As for the latter, the response yesterday and today, both on and off the
list, has been quite encouraging. So far, the most encouraging to me
personally was from Zim, VK3GJZ, who has PSK31 running on a PIC processor
(albeit with switched capacitor filters - which are no detriment at all).
Then, I understand from Harry, W4OFI, that there is indeed a DOS version
(on <http://www.psk31.com/>). Before I get flamed for not checking there
first, all I can say is I don't have Internet.
Many posts and replies made it clear that a 486 (and even a 386) machine
will do fine with one or more of the available PSK-31 programs. A few
replies indicated that a 386 and 486 machine might be slow in loading,
but once loaded seemed to work fine with PSK-31.
Also of particular interest, were the comments relating to processing
workload. There appears to be a trade off between the sound card and the
CPU on which one does what. Reading a bit between the lines, the story
seems to be "the more capability available in the CPU, the less
capability required in the sound card, and vice versa." Since marketing
departments forbid a negative slope on the "computing ability vs date of
manufacture" curve, this probably takes the form of "bigger CPU plus same
sound card equals more capability" rather than "bigger CPU plus a lesser
sound card equals the same old capability."
To separate the problem. One problem is loading the software or control
codes into whatever is doing the DSP function (actually or virtually).
The other problem is processing the receive and transmit signals in real
time and displaying whatever information needs to be displayed to the
screen.
With the right sound card, I should think the first problem could be
reduced to a PIC or 8088 or 8051 processor. Gee, in the limit, if the
sound card chip is really smart, perhaps some DIP switches, some shift
registers, and a push button clock would be enough to load the control
codes.
It's the second problem, the real time processing, where my grey matter
gets thin. We know from the founding fathers of PSK-31 that fixed point
DSP chips like the DSP56002 and TMS320C50 were up to the job. What I
don't know is how the various soundcards compare with these DSP chips, or
how much of the DSP function is actually done on a typical sound card. I
do know that generic 16-bit sound cards go for $10 and up at the local
used computer stores. I think I even saw some used cards with an AD1812
on board. When I got home and looked it up, I find the AD1812 has an both
an embedded ADSP-2171 AND a codec!
Questions. Would an AD1812 do the job? What would it take to get one
going on PSK-31? How about generic card like an OMTI 931 based sound
card, how does it compare to one of those fixed point DSP chips? Can any
of the sound card gurus on the list help with info?
Cheers,
Dave W7AGJ
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