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Subj: PSK31 Digest V1 #412
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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 #412
Fecha: sßbado 3 de junio de 2000 4:24
Psk31 Digest Saturday, June 3 2000 Volume 01 : Number 412
In this issue:
[psk31] digipan 1.2
Re: [psk31] Re: [PSK31] PTT circuits and Palm Pilots
Re: [psk31] re: sliding down the band in a QSO - Digipan
RE: [psk31] re: sliding down the band in a QSO - Digipan
Re: [psk31] re: sliding down the band in a QSO - Digipan
[psk31] Lowered power out with Digipan
RE: [psk31] Lowered power out with Digipan
Re: [psk31] Lowered power out with Digipan
Re: [psk31] Lowered power out with Digipan
Re: [psk31] re: sliding down the band in a QSO
[psk31] 6m Contest
RE: [psk31] Lowered power out with Digipan
RE: [psk31] Lowered power out with Digipan
[psk31] CSS problem-Digipan
Re: [psk31] Lowered power out with Digipan
RE: [psk31] CSS problem-Digipan
See the end of the digest for information about psk31-digest
----------------------------------------------------------------------
Date: Thu, 1 Jun 2000 22:02:49 -0500
From: "Gordon Carlson" <gcarlson@smig.net>
Subject: [psk31] digipan 1.2
HI
I downloaded digipan ver 1.2 this morning, glad to say no troubles putting
it over 1.1, runs like a charm, I did back up the ADI file just in case..
I really like the edit log feature that is in new version, and the cursor
problem is solved for me.. nice piece of work
WNØI Gordon
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Date: Thu, 01 Jun 2000 21:28:23 -0500
From: "Jerry G. Kincade" <w5kp@swbell.net>
Subject: Re: [psk31] Re: [PSK31] PTT circuits and Palm Pilots
Just out of sheer curiosity, and expecting to draw muzzle flashes for
asking, is there thought of a DOS 5.0 version that would run on the
HP-100LX/200LX? Combined with a little QRP rig, that would be a slick setup
indeed, if one could extract the necessary stability from the transceiver.
My backup notebook, a little 4 lb Toshiba T3400CT with W95, however, should
work just fine for the moment...
73, Jerry W5KP
- ----- Original Message -----
From: "Eduardo Jacob" <jtpjatae@bi.ehu.es>
To: <psk31@bipt106.bi.ehu.es>
Sent: Thursday, June 01, 2000 5:06 AM
Subject: Re: [psk31] Re: [PSK31] PTT circuits and Palm Pilots
>
> >THERE IS NO PALM PILOT PSK31!!!!!!!!!!!!!! Sorry had to get that out of
my
> >system.
>
> Well, you could hook a PTC-II to a Palm and use there a terminal
> program... but that wouln't really be PSK31 on a Palm ;-)
>
> Eduardo/EA2BAJ
>
>
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Date: Fri, 2 Jun 2000 08:16:36 EDT
From: Charles R Greene <cgreene7@juno.com>
Subject: Re: [psk31] re: sliding down the band in a QSO - Digipan
On Thu, 01 Jun 2000 19:43:37 -0600 "Gary McDuffie, Sr."
<mcduffie@scottsbluff.net> writes:
> On Thu, 1 Jun 2000 18:18:19 EDT, Charles R Greene wrote:
Gary and All,
Please change my statement:
>
> > The SWLer isn't important anyway,
and substitute: The rights the SWRers have to be
assigned priority with the desire not to drift up/down
the band. If the band is crowded or if there is a
QSO close to you that you might drift into, then the
rights of the other stations not to be QRMed by you
drifting into their QSO should take precedence over
the rights of (ALL) SWLers to copy your QSO
without manual change to his (their) program(s).
Discussion:
The SWLer has some options. He can always manually
reset his program. In the case of possible QRM,
that really is not unreasonable to ask. If only one
of the stations has net checked, the maximum drift
will be limited to the amount the drift during the
time of the length of a single exchange. If that is
less than the capture frequency of the AFC of the
SWLer, there is no problem. I have found the
recapture window of most PSK31 programs is a max of
7 to 10 Hz. However, the latest release, ver 2.01,
of Moe Wheatley's WinPSK has adjustable AFC limits
from 5 to 250 Hz. I'm not advocating one PSK31
program over the other, but I have noted that two
other recent releases of PSK31 programs have
new features, and perhaps someday all will have an
adjustable AFC limit. I believe Moe is using a
separate AFC filter which might be the difference,
but he has also released a core DLL that does
the signal processing that anyone can use.
73, Chas, W1CG
>
> I strongly disagree with this. There is much more SWLing going on
> than
> operating in most cases. Why make it hard for people to monitor
> what is
> going on?
>
> Gary
>
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------------------------------
Date: Fri, 2 Jun 2000 08:37:04 -0500
From: "Gil Baron" <gbaron@home.com>
Subject: RE: [psk31] re: sliding down the band in a QSO - Digipan
- -----Original Message-----
From: owner-psk31@bipt106.bi.ehu.es
[mailto:owner-psk31@bipt106.bi.ehu.es]On Behalf Of Gary McDuffie, Sr.
Sent: Thursday, June 01, 2000 8:44 PM
To: psk31@bipt106.bi.ehu.es
Subject: Re: [psk31] re: sliding down the band in a QSO - Digipan
On Thu, 1 Jun 2000 18:18:19 EDT, Charles R Greene wrote:
> The SWLer isn't important anyway,
I strongly disagree with this. There is much more SWLing going on than
operating in most cases. Why make it hard for people to monitor what is
going on?
Which is one reason I like WINPSK better than digipan. Digipan cannot follow
even SMALL frequency change steps but winpsk can and without having an
excessively poor capture ratio. WINPSK has a much better compromise on that
issue. I ask and ask for an adjustable afc range for both and am ignored by
both authors although it is not as needed in winpsk.
Gary
ag0n at arrl dot net
- --
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Date: Fri, 2 Jun 2000 10:21:46 -0400
From: "Bob Lewis" <aa4pb@erols.com>
Subject: Re: [psk31] re: sliding down the band in a QSO - Digipan
The latest version of WinPSK *does* have adjustable AFC limits - I love it.
I think it is set to +/- 100 Hz by default. Handles a reasonable amount of
drift but keeps it from wondering all over the place when you're tuning
around.
DigiPan for when you are willing to give up strong signal QRM ability for
easier tuning. WinPSK for using narrow IF filters and tuning with the rig.
Both are great programs and both keep getting better.
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------------------------------
Date: Fri, 02 Jun 2000 09:31:04 -0700
From: Bob Williams <n7int@worldnet.att.net>
Subject: [psk31] Lowered power out with Digipan
When using Digipan 1.1, I notice the closer I get to the edge of the
waterfall, my power output drops severely. For example, if my left edge
is 28.120, at 28.122 I'm at 40 watts or so out. At 28.124, or 28.1205,
I'm at about 1 watt out.
Another station I was in QSO with yesterday noticed his setup did the
same thing. This seems to defeat the purpose of click and transmit, if I
have to manually tune for better power out.
Is this by design, is it a bug, or have I missed something?
73,
Bob N7INT
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Date: Fri, 2 Jun 2000 13:28:35 -0400
From: "Richard B Drake" <rbdrake@erols.com>
Subject: RE: [psk31] Lowered power out with Digipan
Most SSB rigs have a maximum 2.4 KHz, or so, passband in SSB mode.
As you approach the edges of the waterfall, you are going over the
knees of your transmit passband curve. So, the fall off in output
is by the design of your rig, it has nothing to do with DigiPan.
Yes you do have to re-tune your rig frequency so that the band
segment of interest is inside that passband. Also, to avoid
transmitting second harmonics of the audio tone, it has been
suggested to keep the tone frequency above 1500Hz which reduces
the clickable tuning range to about a 1KHz band segment, to go
outside of that you do have to re-tune. However, since there can
be up to 20 PSK signals in a 1KHz segment that's still quite a
useful range. If you want more, build the little QRP PSK31 rig
presented by KH5TY and NN1G in the June QST. That was designed for
PSK31 and has a wide passband of about 4KHz to match the DigiPan
display.
- ----
73, Rich - W3ZJ
> -----Original Message-----
> From: owner-
> [mailto:owner-psk31@aintel.bi.ehu.es]On Behalf Of Bob Williams
> Sent: Friday, June 02, 2000 12:31 PM
> To: PSK31 Discussion Group
> Subject: [psk31] Lowered power out with Digipan
>
>
> When using Digipan 1.1, I notice the closer I get to
> the edge of the
> waterfall, my power output drops severely. For example,
> if my left edge
> is 28.120, at 28.122 I'm at 40 watts or so out. At
> 28.124, or 28.1205,
> I'm at about 1 watt out.
>
> Another station I was in QSO with yesterday noticed his
> setup did the
> same thing. This seems to defeat the purpose of click
> and transmit, if I
> have to manually tune for better power out.
>
> Is this by design, is it a bug, or have I missed something?
>
> 73,
> Bob N7INT
>
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http://aintel.bi.ehu.es/psk31.html
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Date: Fri, 02 Jun 2000 13:50:58 -0500
From: fkamp <fkamp@home.com>
Subject: Re: [psk31] Lowered power out with Digipan
Super clear, readable, and understandable description, Rich,
I noticed the same phenomena when trying to use my Omni but
it was more pronounced as I was using the 400hz filter.
I like using the narrow filter because it cuts out a lot of
noise and QRM.
I also like seeing the panaramic display provided by
Digipan.
Unfortunately, you can't have both because the filter cuts
out signals coming in as well as power going out when you go
outside its passband.
It would be nice to have both. A wide response for the
panaramic display and a narrow response for the signals
being received and transmitted. That could probably be done
with one receiver but I don't know of any that provide
simultaneous wide band and narrow band IF outputs. Of
course the wide band output would also require additional
circuitry to convert it to audio. Might even need to run an
additional soundcard and another copy of Digipan just for
the panaramic display. Wonder how that would effect AFC and
NET. Might not be possible to have two running copies of
Digipan talk to eachother. Might also be a challenge to get
two sound cards working on one computer. Begining to appear
that the solution would require software as well as
additional hardware.
Has anyone given additional thought to such a setup?
Frank Kamp
K5DKZ
Richard B Drake wrote:
>
> Most SSB rigs have a maximum 2.4 KHz, or so, passband in SSB mode.
> As you approach the edges of the waterfall, you are going over the
> knees of your transmit passband curve. So, the fall off in output
> is by the design of your rig, it has nothing to do with DigiPan.
> Yes you do have to re-tune your rig frequency so that the band
> segment of interest is inside that passband. Also, to avoid
> transmitting second harmonics of the audio tone, it has been
> suggested to keep the tone frequency above 1500Hz which reduces
> the clickable tuning range to about a 1KHz band segment, to go
> outside of that you do have to re-tune. However, since there can
> be up to 20 PSK signals in a 1KHz segment that's still quite a
> useful range. If you want more, build the little QRP PSK31 rig
> presented by KH5TY and NN1G in the June QST. That was designed for
> PSK31 and has a wide passband of about 4KHz to match the DigiPan
> display.
>
> ----
> 73, Rich - W3ZJ
>
> > -----Original Message-----
> > From: owner-
> > [mailto:owner-psk31@aintel.bi.ehu.es]On Behalf Of Bob Williams
> > Sent: Friday, June 02, 2000 12:31 PM
> > To: PSK31 Discussion Group
> > Subject: [psk31] Lowered power out with Digipan
> >
> >
> > When using Digipan 1.1, I notice the closer I get to
> > the edge of the
> > waterfall, my power output drops severely. For example,
> > if my left edge
> > is 28.120, at 28.122 I'm at 40 watts or so out. At
> > 28.124, or 28.1205,
> > I'm at about 1 watt out.
> >
> > Another station I was in QSO with yesterday noticed his
> > setup did the
> > same thing. This seems to defeat the purpose of click
> > and transmit, if I
> > have to manually tune for better power out.
> >
> > Is this by design, is it a bug, or have I missed something?
> >
> > 73,
> > Bob N7INT
> >
> > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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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, 2 Jun 2000 15:48:16 EDT
From: KD6PT@aol.com
Subject: Re: [psk31] Lowered power out with Digipan
Me too. I have noticed the problem for some time nowl. I thought I was
having transmitter problems but evedently the xmit band pass is not as wide
as we would llike although on my Kenwood TS 570D(G), the SSB xmit band pass
is 2.4kc. Hope someone out there has an answer.
John kd6pt
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Date: Fri, 02 Jun 2000 19:59:47 +0000
From: Peter Martinez <Peter.Martinez@btinternet.com>
Subject: Re: [psk31] re: sliding down the band in a QSO
From Peter G3PLX.
The "walking down the band" problem can be split into two. The
problem of a station that is simply drifting badly needs to be
handled in a way that prevents the QSO drifting into the next QSO. If
you are sure it's the other fellow drifting and not you, the best
strategy is to turn your NET off and ask the other (drifting) station
to keep NET and AFC on. This way he tracks his own receiver drift and
retunes to your frequency each time he starts transmitting and this
prevents the QSO from drifting continuously.
The other "walking down the band" effect can occur if neither station
is drifting, but one station has a transmit-receive offset, that is,
he transmits on a slightly different frequency from that on which he
is receiving. If both stations have NET on, a "walk" developes, each
station retuning to the other each time the transmission is passed
over. The walk can be stopped by EITHER station switching NET off,
but the best strategy is to identify which station has the offset
problem and THAT station turns off his NET function. After one more
"over", the walk loop will be broken and both stations will be
transmitting on exactly the same frequency. This will keep all
stations happy, even if it's a multiway round-table, with or without SWL's
This should be covered in the HELP system of the program. It was
certainly covered in my original program because at the start of
PSK31 (over four years ago now!), the purpose of the NET function was
something new to most people. Incidently, I chose the name "net" for
this function because it was the label on the switch used on early
VFO-controlled transmitters (when most ham transmitters were
crystal-controlled, even on HF) to set the transmitter frequency to
the receiver frequency by turning on the VFO alone. This was done
when you wanted to work in a "net" of three or more stations. The
idea of working single-frequency for two-way QSOs didn't catch on
until crystal-control had died out.
73
Peter
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Date: Fri, 02 Jun 2000 16:27:29 -0400
From: Simply Info <simplyinfo@sc.rr.com>
Subject: [psk31] 6m Contest
I would like suggestions on a 6 meter contest to be hosted later this
year. I am looking for ideas on running times, i.e. one weekend, 4 hour
sprints, etc. I will host the contest and wallpaper will be awarded.
Also, any of you artistically inclined hams who might be interested in
submitting some ideas for the award please feel free. I was thinking of
"First Annual 50's PSK Contest" but that is just a working title. I will
be setting up a web page at www.qth.net with more info as it is
collected. I really hope some of you are interested and are willing to
submit ideas. 6 meters can be a great band and for those no-code techs
the only way to get into psk.
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Date: Fri, 2 Jun 2000 13:31:55 -0700
From: "Violette, Daniel R" <Daniel.Violette@west.boeing.com>
Subject: RE: [psk31] Lowered power out with Digipan
Don't forget the sound card output at different audio frequencies too.
Dan KI6X
> ----------
> From: KD6PT@aol.com[SMTP:KD6PT@aol.com]
> Sent: Friday, June 02, 2000 12:48 PM
> To: n7int@arrl.net; psk31@bipt106.bi.ehu.es
> Subject: Re: [psk31] Lowered power out with Digipan
>
> Me too. I have noticed the problem for some time nowl. I thought I was
> having transmitter problems but evedently the xmit band pass is not as
> wide
> as we would llike although on my Kenwood TS 570D(G), the SSB xmit band
> pass
> is 2.4kc. Hope someone out there has an answer.
> John kd6pt
>
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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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, 2 Jun 2000 15:40:41 -0500
From: "Gil Baron" <gbaron@home.com>
Subject: RE: [psk31] Lowered power out with Digipan
There is no answer other than to retune the transmitter. I have about a 3.5
Khz on my 870 for transmit. You can just push the gain up when needed, that
way I can get about 4 KHz before that will just cause overdrive.
It is too bad since I can use a 7khz receive passband on the 870. I think
the manufacturers of XCVRs will eventually catch on to the psk31
requirements. They should both allow wide audio and rcv bandwidths and allow
the narrow filters to be used in ssb for the most versatility. I don't think
even the super 6000 dollar radios do this yet.
> -----Original Message-----
> From: owner-psk31@bipt106.bi.ehu.es
> [mailto:owner-psk31@bipt106.bi.ehu.es]On Behalf Of KD6PT@aol.com
> Sent: Friday, June 02, 2000 2:48 PM
> To: n7int@arrl.net; psk31@bipt106.bi.ehu.es
> Subject: Re: [psk31] Lowered power out with Digipan
>
>
> Me too. I have noticed the problem for some time nowl. I thought I was
> having transmitter problems but evedently the xmit band pass is
> not as wide
> as we would llike although on my Kenwood TS 570D(G), the SSB xmit
> band pass
> is 2.4kc. Hope someone out there has an answer.
> John kd6pt
>
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 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
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> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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Date: Fri, 2 Jun 2000 17:03:14 EDT
From: Ebruchac@aol.com
Subject: [psk31] CSS problem-Digipan
I've had a recurring problem,(using Digipan), of Changing Slider Syndrome,(CSS)--from time to time the TX and/or ALC will change drasticlly---when I go to the Transmitt Config Screen the sliders are either full OFF or full ON.
I go back to my original config settings and everything works as it should....for a while.There's no repeative pattern here....just from time to time.
This is probablly something basic,so I'll appologise in advance, but it's a worrisome problem that I haven't been able to resolve.
Any help appreciated.
Ed Bruchac N4ZUM
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Date: Fri, 02 Jun 2000 16:29:01 -0600
From: "Gary McDuffie, Sr." <mcduffie@scottsbluff.net>
Subject: Re: [psk31] Lowered power out with Digipan
On Fri, 02 Jun 2000 09:31:04 -0700, Bob Williams wrote:
> When using Digipan 1.1, I notice the closer I get to the edge of the
> waterfall, my power output drops severely. For example, if my left edge
> is 28.120, at 28.122 I'm at 40 watts or so out. At 28.124, or 28.1205,
> I'm at about 1 watt out.
You are simply moving your tone outside the high response area of your
filter. You seem to be asking your rig to pass 3.5KHz of bandwidth
(120.5 to 124.0), and that won't happen if the filter is any good at
all.
Gary
ag0n at arrl dot net
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Date: Fri, 2 Jun 2000 16:55:35 -0700
From: "Hofmann, George" <george.hofmann@weyerhaeuser.com>
Subject: RE: [psk31] CSS problem-Digipan
I have noticed the same effect using WinPSK. I always suspected that some
other program hosed the volume controls, or even Windoze itself. I take this
as a warning that it is time to do the B Gates 3-fingered salute
(CTL-ALT-DLT).
George Hofmann KK7SE
> ----------
> From: Ebruchac@aol.com[SMTP:Ebruchac@aol.com]
> Sent: Friday, June 02, 2000 2:03 PM
> To: psk31@bipt106.bi.ehu.es
> Subject: [psk31] CSS problem-Digipan
>
> I've had a recurring problem,(using Digipan), of Changing Slider
> Syndrome,(CSS)--from time to time the TX and/or ALC will change
> drasticlly---when I go to the Transmitt Config Screen the sliders are
> either full OFF or full ON.
>
> I go back to my original config settings and everything works as it
> should....for a while.There's no repeative pattern here....just from time
> to time.
>
> This is probablly something basic,so I'll appologise in advance, but it's
> a worrisome problem that I haven't been able to resolve.
>
> Any help appreciated.
>
> Ed Bruchac N4ZUM
>
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End of Psk31 Digest V1 #412
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