Dennis are you setting the rig output power control to the max. of 
approximately 100 watts? If you do that, set sound card volume sliders to a 
mid range setting and then use the rig mic gain control you should be able 
to get up to 100 watts output on PSK31 with no ALC reading and a -25 to -30 
IMD. The Mark V Field put's out an exceptionally clean signal up to 100 
watts output on the digital modes.

BTW I have a website about the Mark V Field and the digital modes at 
http://www.kn4lf.com/kn4lf10.htm .

--... ...--,
Thomas F. Giella, KN4LF
Lakeland, FL, USA
Grid Square EL97AW
[EMAIL PROTECTED]

PODXS 070 PSK31 Club Member #349
Feld Hell Club Member #FH141

Olivia MFSK Yahoo eGroup: http://groups.yahoo.com/group/olivia_mfsk
KN4LF Amateur & SWL Radio History: http://www.kn4lf.com
KN4LF 160 Meter Propagation Theory Notes: http://www.kn4lf.com/kn4lf8.htm
Man Induced Climate Change Refuted: 
http://www.kn4lf.com/globalwarminglie.htm

Date: Tue, 28 Mar 2006 02:08:11 -0000
From: "kd8biz" <[EMAIL PROTECTED]>
Subject: PSK31 on Mark-V Field

Gurus,

OK, I'm trying to get up and running on PSK.

Running a Mk-V Field with Microham MicroKeyer, using Digipan.  I'm
using the IMD Meter by kk7uq to monitor IMD.  Diawa CN-801 power meter
used to read output into a dummy load.

I have used the Easy Set to set the User function to PS31-U.

This is the behavior I am getting:

Using the User function (supposedly optimized for PSK):

I get a max of about 80 watts out at idle with the IMD never getting
below about -15 db even at the lowest power output - not good!

Straight Packet setting - not User function:

I get a max of 4Watts out at idle but IMD is never higher than -34DB -
that's good.

So how do I get up to 35 watts or so and still have decent IMD - this
just doesn't seem right to me.

So what am I missing?

Thanks for any help.

Dennis AI8P



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