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Asunto: Psk31 Digest V1 #373
Fecha: lunes 24 de abril de 2000 10:29
Psk31 Digest Monday, April 24 2000 Volume 01 : Number 373
In this issue:
[psk31] Small gun, better aim
RE: [psk31] How do I tune PSK31?
[psk31] testing,ignore please
[psk31] PSK31 and TenTec Pegasus Help
Re: [psk31] RIGblaster, a first impression
Re: [psk31] WHY Use a Linear?
Re: [psk31] Re: [mixw] Band Plans
RE: [psk31] WHY Use a Linear?
Re: [psk31] Small gun, better aim
Re: [psk31] WHY Use a Linear?
Re: [psk31] Small gun, better aim
[psk31] new to list and need help
[none]
See the end of the digest for information about psk31-digest
----------------------------------------------------------------------
Date: Sun, 23 Apr 2000 07:44:22 -0500
From: "Duane L. Mitchell" <duanelmitchell@worldnet.att.net>
Subject: [psk31] Small gun, better aim
Many years ago when I used to hunt, I used a single barrel 16 gauge shot
gun. My philosophy was, If I couldn't get what I was shooting at with the
first shot, they deserved to get away.
I feel much the same about linear amplifiers. I have never owned one but I
have no animosity toward those who do but in most cases, I feel like a
linear is over kill. If I can't make the contact with 100 watts maximum and
a good antenna, I probably didn't need to be there anyway.
I have seen people go out and spend $1000 for a TV set then put a $3 rabbit
ear antenna on top of it. Many Hams do the same, try to compensate for a
poor antenna set up with more power.
Just one guy's opinion.
Mitch
W9FZO
------------------------------
Date: Sun, 23 Apr 2000 11:07:40 -0400
From: "Richard B Drake" <rbdrake@erols.com>
Subject: RE: [psk31] How do I tune PSK31?
The procedure for tuning in PSK varies with the software you are
using. But, most programs have an AFC checkbox or button so that
it is only necessary for you get close with your rx and the
software will do the last little bit of fine tuning for you.
Programs with the waterfall display, such as DigiPan, allow you to
click on any signal within your passband and it will tune it in
for you. With "net" on, it will also lock the transmit frequency
to the receive frequency. Do not use RIT or XIT as this will make
it impossible for the software to lock receive and transmit
frequencies. I like to use upper sideband and keep the audio tone
around 2KHz. This keeps my very narrow IF CW filters within the
range of my passband tuning. So, I normally get as close as I can
with the receiver dial then click with the mouse for the last few
Hz of fine tuning. Others like to leave their receiver filtering
wide open and just click to tune. The problem with that is that a
strong signal within the rx passband will pull your agc and
perhaps attenuate the weaker signal you are trying to copy. Good,
narrow, tunable, IF passband filters eliminate that problem.
- ---
73, Rich - W3ZJ
w3zj@arrl.net
------------------------------
Date: Sun, 23 Apr 2000 11:50:48 -0400
From: ko4qc@mindspring.com
Subject: [psk31] testing,ignore please
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------------------------------
Date: Sun, 23 Apr 2000 11:52:26 -0400
From: ko4qc@mindspring.com
Subject: [psk31] PSK31 and TenTec Pegasus Help
Anyone using this combo?How do I interface the Pegasus and an SB PCI 128?
Tnx,Joel,Ko4qC
------------------------------
Date: Sun, 23 Apr 2000 11:58:01 EDT
From: Ronald J Finger <rms_micro@juno.com>
Subject: Re: [psk31] RIGblaster, a first impression
I guess the RIGblaster is OK for those that do not want to pick up a few
parts (less than $10) and "do it yourself", but I think it is a mistake
to provide soundcard interface only to the mic and speaker jacks. I find
it much better to get the fixed level TX and RX audio from the 13 pin
rear connector on my IC706MkII. That way you just set the levels with
the soundcard program and leave it alone. Many other radios have a
similar input/output facility, not using the mic and speaker jacks.
Ron, W7ZT
------------------------------
Date: Sun, 23 Apr 2000 11:34:41 -0500
From: Martin <rutherford.ulea@mcleodusa.net>
Subject: Re: [psk31] WHY Use a Linear?
Hi Dan. You jusy stated my opinion almost perfectly. I have had
similar experiences using a modest vertical antenna, and several rigs
over the years that I have been licensed. I have always felt that a
better antenna beats an amplifier any day. I also have a question of
those using an amplifier (on any mode). Do you try to make the contact
without the amplifier first? I will not say that I will never own an
amplifier (though at the present time, I do not feel that I need one)
but should I have one in the future, it will not see much use.
The opinions expressed here are my own, and I will not respond to
flames!
- --
Cul8r
Martin Campbell rutherford.ulea@mcleodusa.net KB0HAE
------------------------------
Date: Sun, 23 Apr 2000 11:41:39 -0500
From: Martin <rutherford.ulea@mcleodusa.net>
Subject: Re: [psk31] Re: [mixw] Band Plans
Hello Dieter. It does seem to me that I see a lot of pactor stations
recently, right on the recommended PSK calling frequencies. I don't
remember this being the case until about a month or so ago. I seem to
remember finding the pactor stations a few KHZ up the bands.
DL2RR wrote:
>
> Hello Trevor, I think "Happy Australia",
> where Pactor are constricted to a narrow band.
> Here on the other side of the world, however it seems to be different from
> it. It is regardless if I am working (30 watts into a delta loop) in CW,
> PSK31, RTTY or HELL, it is all the same. It does not last for a long time
> and I have a PACTOR on my frequency, independent of the band including the
> WARCs. Usually with a field strength which flattens the whole spectrum or
> waterfall display, like a pumping cockchafer in my neck.
>
> I believe there is certainly no difference whether one works on 14070-
> 14072 or another frequency.
>
> Does somebody know a PACTOR-free qrg in order to be able to work without
> interference?
>
> Sincere Regards,
> Dieter - DL2RR
>
> ----------
> Von: Trevor Spargo <tspargo@netspace.net.au>
> An: MixW32 <mixw@eGroups.com>
> Betreff: [mixw] Band Plans
> Datum: Freitag, 21. April 2000 13:44
>
> To all PSKers,
> This message is not about MixW32 so I hope you wont mind me introducing a
> discussion about band plans which should be of interest to PSKers.
> In Australia 14070- 14080 is allocated to Pactor , Amtor etc, and these
> stations are on 24hrs a day and STRONG at this QTH. So nearly everyday I
> have to give up trying to work PSK due to these stations.
> Our RTTY band is 14080-14095 and therfore I would suggest that this is a
> far better area in which to work - one very rarely hears RTTY stations
> except during contests.And it is a similar type of mode.
> I dont know what the band plans are in other countries but I would hope
> they would be the same .
> I know that RTTY is roughly the same in most but I have no idea about
> Pactor etc.
> So , what do you think ?
> Trevor , VK7TS
> --------------
>
- --
Cul8r
Martin Campbell rutherford.ulea@mcleodusa.net KB0HAE
------------------------------
Date: Sun, 23 Apr 2000 18:06:05 -0400
From: "Richard B Drake" <rbdrake@erols.com>
Subject: RE: [psk31] WHY Use a Linear?
Yes. Good conditions, making solid contacts easily with 25 watts,
no need for power. Poor conditions, calling CQ endlessly with no
answer, let's try a little power and see if that helps. Sometimes
it does, sometimes it doesn't. If signals are passing through the
ionosphere and into space, higher power will only make the signal
stronger on Mars. But, when absorption is the problem, a little
more power may help.
There is also another situation. That is, the amp is on we make a
contact and get a 59 signal report, cut it back, we don't need it.
I hope everyone using an amp operates that way and I hope it helps
ease some of the fears about the use of higher power ruining PSK.
- ---
73, Rich - W3ZJ
w3zj@arrl.net
------------------------------
Date: Sun, 23 Apr 2000 18:33:39 -0500
From: fkamp <fkamp@home.com>
Subject: Re: [psk31] Small gun, better aim
Duane,
Very good thoughts. At least I think so.
One thing that this discussion has neatly circumvented is
the guideline that we should only use as much power as is
required to establish communications.
You could load 2kw into a 'rabbit ears' antenna and still
not establish the communications you want.
I have always thought that anyone buying and using a linear
before getting a beam, is in need of therapy.
Frank Kamp
K5DKZ
------------------------------
Date: Sun, 23 Apr 2000 19:53:36 -0400
From: Harvey Fisher <harvee1@optonline.net>
Subject: Re: [psk31] WHY Use a Linear?
MOST (RIGS) RADIOS THAT HAMS USE BUILT IN THE LAST 25/30 YEARS WILL GO TO
100 WATTS.
IF 100 WATTS DOESN'T DO IT AN AMP WILL NOT EITHER. THIS IS PSK NOT SSB,
RTTY NOR ANY OTHER WIDE BAND MODE. ALL AN AML DOES IS CREATE PROBLEMS.
THE ANSWER IS SIMPLE, IF ONE CAN ACCEPT SIMLE ANSWERS, LINEAR AMPLIFIERS
DON'T HELP.
DESPITE OPINIONS EXPRESSED TO ME PRIVATELY. I HAVE YET FOUND A REASON TO
EXCEED 85 WATTS ON PSK.
73
HARVEY-K2CJP
Richard B Drake wrote:
>
> Yes. Good conditions, making solid contacts easily with 25 watts,
> no need for power. Poor conditions, calling CQ endlessly with no
> answer, let's try a little power and see if that helps. Sometimes
> it does, sometimes it doesn't. If signals are passing through the
> ionosphere and into space, higher power will only make the signal
> stronger on Mars. But, when absorption is the problem, a little
> more power may help.
>
> There is also another situation. That is, the amp is on we make a
> contact and get a 59 signal report, cut it back, we don't need it.
> I hope everyone using an amp operates that way and I hope it helps
> ease some of the fears about the use of higher power ruining PSK.
>
> ---
> 73, Rich - W3ZJ
> w3zj@arrl.net
>
------------------------------
Date: Sun, 23 Apr 2000 21:02:22 -0400
From: "Bob Lewis" <aa4pb@erols.com>
Subject: Re: [psk31] Small gun, better aim
> I have always thought that anyone buying and using a linear
> before getting a beam, is in need of therapy.
>
What if he's working 160, 75 or 40 meters? What if he has a small lot
or antenna restrictions? A beam is not always an option.
------------------------------
Date: Sun, 23 Apr 2000 22:50:53 EDT
From: W8JOE@aol.com
Subject: [psk31] new to list and need help
Hello: Name here is Joe, N8TI. I heard about PSK31, and decided to try it
today using digipan. What a great mode!
I have some basic questions and I wonder if you guys can help me out:
1. What are the "calling frequencies" for psk31 on each band, 160 through 10
meters?
2. I noticed that I heard everyone on LSB on 20 meters. What is the
sideband that people use for each frequency, if it is not LSB all the time?
3. I just Listened today, but want to hook up output from my FT-1000D.
Now, the help information on the digipan software says you should make up an
attenuator with a couple of resistors so you can feed directly into the
microphone. But, the help information also states that if you have some sort
of advanced mic input, you don't have to use the attenuator. I have a plug
on the back of my FT1000 which is called "patch in." The FT-1000 manual
states that the patch in plug is a mic plug that mixes with the mic input
from the front mic plug, and the FT1000 manual states that the input
impedance is 500-600 ohms.
Could I just plug into that patch in plug directly? What if I lowered my
output on my sound card, or would I still have too much microvolts going into
the FT-1000?
4. I used a stereo plug into the output on my sound card and a stereo plug
into the phone jack on my radio to get the output to the computer sound card.
With the input, is the computer sound card input a stereo or mono. I am
afraid that I don't know what a line input or output really is on the
computer. By the way, I am running a fairly new computer using windows 98.
5. Should I set my sideband offset to zero, so the freq reads true?
Thanks a lot in advance for this information. 73, Joe. N8TI
------------------------------
Date: Mon, 24 Apr 2000 08:45:28 +0000 (MSK)
From: interradio@ua1aco.lanck.net (Vladimir UA1ACO)
Subject: [none]
unsubscribe
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------------------------------
End of Psk31 Digest V1 #373
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