[Elecraft] Using USB mode for PSK31 rather than DATA A

k4gm at verizon.net k4gm at verizon.net
Thu Feb 19 14:23:35 EST 2009


Why do u prefer to data modes?
------Original Message------
From: Ed Steeble
Sender: elecraft-bounces at mailman.qth.net
To: Steven.Zabarnick at notes.udayton.edu
To: K3_Discussion_Group
Subject: Re: [Elecraft] Using USB mode for PSK31 rather than DATA A
Sent: Feb 19, 2009 12:09 PM

I do PSK31 in USB and RTTY in LSB. No problems. And make sure the 
compressor is off.
73, Ed
K3IXD
K3 #1726

Date: Mon, 16 Feb 2009 14:47:32 -0500
From: Steven.Zabarnick at notes.udayton.edu
Subject: Re: [Elecraft] Using USB mode for PSK31 rather than DATA A
To: elecraft at mailman.qth.net
Message-ID:
	<OFA4AF7D49.1DEA48D1-ON8525755F.006CB909-8525755F.006CB90A at notes.udayton.edu>
	
Content-Type: text/plain; charset=US-ASCII

No I did not turn off compression. I will give this a try. Has anyone else
tried using PSK31 with USB mode?

 > >Did you turn compression off?
 > >
 > >Bob NW8L

On Mon, Feb 16, 2009 at 12:12 PM,  <Steven.Zabarnick at notes.udayton.edu>
wrote:
 > > After all this discussion of power control in DATA A mode vs SSB, I
decided
 > > to try using PSK31 with USB mode, rather than DATA A. I changed the MIC
SEL
 > > menu item to Line IN and adjusted the ALC meter to 4-5 bars using 
the MIC
 > > GAIN control. The PSK31 power output appeared to closely match the K3
power
 > > setting. Unfortunately, I received horrendous feedback about the 
widthand
 > > IMD of my signal -- when I returned to DATA A mode, my signal width and
IMD
 > > returned back to acceptable values.
 > >
 > > Steve N9SZ
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