[Elecraft] RTTY Questions, Again

[Ian Kahn]

All,

I've got it working now, at least on 20m AFSK A!  I think the reverse
polarity in DM780 was the issue.  Now to replicate on other bands!

Thank you to everyone for your help.

73,

--Ian
Ian Kahn, KM4IK
Roswell, GA EM74ua
km4ik.ian at gmail.com
K3 #281, P3 #688
HRD v5.x/6.0 Test Team
On Sun, Aug 19, 2012 at 4:39 PM, Adrian <vk4tux at bigpond.com> wrote:

>
> DM780:
>
> The default RTTY setting is 45.45 baud, 170Hz shift.
>
> In Europe RTTY is generally send using USB irrespective of the frequency.
>
> Reverse
>
> In North America LSB is used on 7Mhz and below, hence the Reverse button.
>
> Try reverse polarity in DM780. You should see reverse on top left  bar.
>
> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net
> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Ian Kahn - Ham
> Sent: Monday, 20 August 2012 5:56 AM
> To: Elecraft Reflector
> Subject: [Elecraft] RTTY Questions, Again
>
> OK, I have a repeat of a question about RTTY.  My K3 (ser # 281) won't
> receive RTTY in AFSK or FSK modes.  However, it receives RTTY just fine in
> USB.  I just went through the AFSK RTTY setup instructions in Fred's
> wonderful book, but it didn't seem to make a difference.  I'm convinced the
> issue is between the chair and the keyboard, but don't have enough
> experience with RTTY to know what I'm doing wrong.  If anyone could point
> me
> in the right direction, I'd really appreciate it. Here are some of the
> details people are likely to want to know:
>
> K3 is in Data mode and set to AFSK A.
> CONFIG: LineIn is set to 10.
> Frequency and Shift are set to 2125 and 170 Hz, respectively.
> I'm using DM780 as my digital software.
> I have the K3's Line Out run to my computer's Line In, and the K3's Line In
> run to the computer's Line Out.
> The computer is a fully updated version of Windows 7 32-bit.
>
> I'll gladly provide any other details as requested.
>
> Thanks for the help again.
>
> 73,
>
> -- Ian
> Ian Kahn, KM4IK
> Roswell, GA  EM74ua
> km4ik.ian at gmail.com
> K3 #281, P3 #688
> HRD v5.x/6.0 Test Team
>
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