[Elecraft] Help on PSK required:

[Steve Ellington]

Change mode to Data A. Seems to be a common problem.

Steve Ellington
N4LQ at carolina.rr.com
----- Original Message ----- 
From: "tom wylie" <thomaswylie at sky.com>
To: <elecraft at mailman.qth.net>
Sent: Wednesday, April 29, 2009 8:41 AM
Subject: [Elecraft] Help on PSK required:


> I'm not sure this is the correct forum to ask for answers, but I am
> using my K3....
>
> My setup consists of a PC running Hamlogger  32  V 3.17 with both MMTTY
> and MMVARI embedded.
> I have a USB Microkeyer II from microham and of course my K3  with
> latest software.
>
> I have been running the K3 since last June.   I have been using RTTY
> using both Logger 32 and Win-test without any problems what-so-ever and
> in fact this its a great set up with the dual pass band filters in the K3.
>
> This week I tried PSK31 - nothing.
>
> I have called CQ till I am blue in the face and get no reply.   I called
> a local ham to monitor my signals and he says there is NO signal only a
> "pattern" on his screen, but he can tell when I start and stop
> tansmitting.
> I have the K3 set to Data Mode - PSK D  31bps
>
> I am using the official Microham interface to radio leads connected to
> Line in / Line Out.
> I have set the levels admittedly using RTTY....
>
> ASs I said everything works fb in RTTY.
>
> I can monitor the PSK tones using the K3 monitor facility and to me (not
> an PSK expert) they sound OK.   I get output from the rig set at 25
> watts.   I can also see this on my power meter.
> My SWR is good.   I have tried varying the audio output from my PC to
> the interface to the rig
> from high to zero, but I cannot detect any material difference in the
> level of tone via the monitor facility.   I have listened to my output
> on another receiver and to me it sounds OK, but my friend insists it is
> not.
>
> It may be that I am grossly over modulating - I dont know.   Apart from
> varying the input in the Line IN socket via the K3 menue, is there any
> other adjustment?
>
> How have others set up their K3 to send PSK.   On receive, my set up
> works very nicely and I
> have received many DX stations using the filters in the K3, but I cannot
> TX for some reason.
>
> I tried downloading several PSK software programmes and run them
> independently, but still I cannot get any other station to "see" my 
> signal.
>
> I have run out of ideas?    Can anybody help?
>
> Tom
> GM4FDM
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