[WriteLog] arrl RU test

[Joe Subich, W4TV]

 > Here is the weird part: using same rig with DX4WIN/mmtty, no
 > problem printing; mmtty stand alone, no problem printing, Gritty no
 > problem printing. I ran gritty window along side writelog and gritty
 > would print close to 100%; writelog much of nothing.

DXWin/MMTTY uses a separate copy of MMTTY.  The first thing to do is
open the MMTTY set-up in WriteLog (Option | Setup) and make sure
MARK is the same as the MARK frequency in the rig (Demodulator tab),
AFC is *OFF* and Shift is *Fixed* or *FSK* (AFC/ATC/PLL tab) and
those values are saved as the "HAM Defaults".  You can compare the
settings in WriteLog and DX4Win/MMTTY if needed.

> If I set the mixer control to monitor the sound card input by
> outputting it to the PC earphones, the K3 audio is there but very
> weak.

Monitoring through Windows is not very reliable.

Tune a steady signal (e.g. the carrier from WWV) and set it to the
RTTY Mark Frequency.  Set the RX Main or RX control on the microHAM
interface to 12:00.  Open the Windows Sound Control Panel and double
click on "Line (microHAM CODEC)" (for MK II, DK II) or "mic (USB Audio
CODEC)" (for USB Interface III or DigiKeyer) and select the LEVELS tab.
Adjust the slider and the RX Gain pot until you see the first green
bar.  With an S9 signal on my K3, that happens with RX Gain at 12:00,
the Windows input slider at 80% and the K3 Line Out at 10.

A more sensitive way to adjust audio input is to use audio spectrum
analyzer software (e.g. Spectran).  Set the Windows input gain to 60%
and adjust the RX Gain pot on the microHAM interface so the background
noise level raises 30 to 40 dB above the no input nose floor of the
sound card.  With my K3 that occurs with RX Gain at 9:00, Windows input
gain at 60% and the K3 Line Out at 10.  By setting the no signal noise
30 to 40 dB about the sound card noise floor, signals remain well above
the noise floor even when the transceiver's AGC is activated and strong
signals do not clip/saturate either the transceiver or the sound card.

73,

    ... Joe, W4TV


On 1/9/2017 2:00 PM, Alan Maenchen wrote:
> I'm having similar problems as Courtney described. Any help appreciated..
>
> In my case, it's WL 12.12C and Win 10.
>
> Rig is K3, and microHAM DK II.  Rig control works fine. CW works fine.
> If I set the mixer control to monitor the sound card input by outputting it
> to the PC earphones, the K3 audio is there but very weak. Even if I
> increase the K3 LINE OUT volume to max MMTTY starts complaining of
> overload. It sounds weak but OK at the PC mixer, but won't print. Sound
> card audio levels are already maxed out. MMTTY shows little or nothing. I
> have not tried any other software since I do RTTY only once every blue
> moon. I just wanted to get on and give out a few Qs to the deserving.
>
> 73, Alan  AD6E / KH6TU
>
>
>
> -----------------------------------------
> Date: Mon, 09 Jan 2017 10:23:09 -0600
> From: Courtney Judd <k4wi at k4wi.net>
> To: ACG <contest at alabamacontestgroup.org>
> Cc: RTTY Reflector <rtty at contesting.com>,
>         "Yaesu_FT-5000 at yahoogroups.com" <Yaesu_FT-5000 at yahoogroups.com>,
>     SECC
>         <secc at contesting.com>, Writelog <writelog at contesting.com>
> Subject: [WriteLog] arrl RU test
> Message-ID: <5873B8ED.9000108 at k4wi.net>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> well, I did NOT have fun this past week end in the ARRL RU test. Ended
> up with 25 contacts.... spent most of both days trying to get anything
> to print out. So here is the set up: ft5000, microHam keyer 2,
> writelog/xmmt/mmtty, WIN 10... this set up has worked great with my
> 2000D. Here is the weird part: using same rig with DX4WIN/mmtty, no
> problem printing; mmtty stand alone, no problem printing, Gritty no
> problem printing. I ran gritty window along side writelog and gritty
> would print close to 100%; writelog much of nothing. I tried every
> adjustment to software and rig that I could think of. All is set as per
> aa5au/microHam set files. Nothing I tried improved the situation. Only
> two variables that I could think that changed were all of my antennas
> were covered in ice and I up-graded writelog to 12.12C version 3 days
> before the test( bad idea, I know). I just could not figure what had
> this applecart so upset. So I am in the dark here and would sure
> appreciate any idea/advice on what/where to look. It seems to me that
> the commen denominator is 12.12C. HELP!!!! thanks, 73's Cort K4WI
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