[SCCC] Help with MMTTY

Sun Feb 24 15:22:50 EST 2019

Ditto. Mine booted up yesterday off from 2125 and I didn't realize it. I called several times to the first guy I sat down to work. He finally came back and said "off freq."   I then saw 2125 was off on some other freq, so I clicked HAM. Voila. 

Like Jim, I too have to do that now and then. Not sure what keeps causing it to get off from where it belongs. 

--Dennis NE6I

-----Original Message-----
From: SCCC <sccc-bounces at contesting.com> On Behalf Of Jim Price
Sent: Sunday, February 24, 2019 12:08 PM
To: Dave Hachadorian <k6ll.dave at gmail.com>; Don Minkoff <cowchip at ca.rr.com>; reflector SCCC <sccc at contesting.com>
Subject: Re: [SCCC] Help with MMTTY

On MMTTY, click on the little "button" that says HAM. It then will to then go to 2125 Hz.  I have to do this once in a while, not sure why.  This may help.
73JimK6ZH 

Sent from Yahoo Mail on Android 

  On Sun, Feb 24, 2019 at 11:14 AM, Dave Hachadorian<k6ll.dave at gmail.com> wrote:   As I understand the Signalink, it is just a USB sound card, so it shouldn't
be a source of inaccuracy in your transmitted tones.  It might not hurt to
boost the sampling rate to 48 KHz at 16 bits on playback and recording
though.

How about in MMTTY?  Sometimes AFC can get turned on for some strange reason
and then your TX/RX frequencies drift apart.  In N1MM, it helps to have the
setting DI Window/Setup "AFC on/off with CQ" checked.  This setting makes
sure that your AFC is OFF when you are in S&P mode, e.g. whenever you turn
the VFO dial.  In MMTTY Options/Setup/Demodulator Tab, make sure the Mark
and the Ham Default are both set to 1275.

If you want to get on the air to check your frequency, drop me an email and
we can set it up.

Here's the profile that I use.  The Mark frequency is 915 Hz vs. the 1275
that you are using, so you will have to change either the profile or the K3
to match.  I also use FSK, but I'm not sure if that setting is contained in
the profile.

[Define1024]
Name=NOCALL
Enabled=1
AFC=0
AFCFixShift=1
AFCSQ=32
AFCTime=8.000000e+00
AFCSweep=1.000000e+00
UOS=1
TxNet=0
TxDisRev=0
LimitDxGain=2.000000e+02
LimitOverSampling=0
LimitAGC=1
ATC=0
ATCTime=4
Majority=1
IgnoreFreamError=0
SQ=0
SQLevel=1.002000e+03
DefMarkFreq=9.150000e+02
DefShift=1.700000e+02
DefStopLen=0
OutputGain=2.457600e+04
TXLoop=1
TXBPFTAP=48
TXLPF=0
TXLPFFreq=1.000000e+02
TXWaitType=0
TXCharWait=0
TXDiddleWait=0
TXCharWaitDiddle=0
TXRandomDiddle=0
TXWaitTimerDiddle=0
Rev=0
ShiftFreq=1.700000e+02
RXBPF=1
RXBPFTAP=56
RXBPFAFC=1
RXBPFFW=1.000000e+02
RXlms=0
RXlmsDelay=0
RXlmsMU2=3.000000e-03
RXlmsGM=9.999000e-01
RXlmsAGC=0
RXlmsInv=0
RXlmsTAP=56
RXNotchTAP=72
RXlmsBPF=1
RXlmsType=1
RXlmsNotch=2096
RXlmsNotch2=0
RXlmsTwoNotch=0
DEMTYPE=1
BaudRate=4.545000e+01
TTYBitLen=5
TTYStopLen=3
TTYParity=0
SmoozType=0
SmoozOrder=5
SmoozIIR=4.000000e+01
Smooz=7.000000e+01
Tap=72
IIRBW=90
FFTTones=4
pllVcoGain=3.000000e+00
pllLoopOrder=2
pllLoopFC=2.500000e+02
pllOutOrder=4
pllOutFC=2.000000e+02
Diddle=2
TxFixShift=0
InvPTT=0
TXUOS=1
AA6YQ.Version=2
AA6YQ.Enabled=0
AA6YQ.TapsBPF=512
AA6YQ.WidthBPF=3.500000e+01
AA6YQ.TapsBEF=256
AA6YQ.WidthBEF=1.500000e+01
AA6YQ.afcERR=5.000000e+00

-----Original Message----- 
From: Don Minkoff
Sent: Sunday, February 24, 2019 10:44 AM
To: sccc
Subject: [SCCC] Help with MMTTY

A short history of my station.  I have a K3 and use MMTTY with Data mode
AFSK,45 bps, and use 1275, 170, lower sideband.  I prefer the lower
tone.  This has been my setup for many many years.  Everything worked
fine during the WPX RTTY contest and even last Friday when I set up with
N1MM plus for the NAQP and made a few Q's.  The only thing new in the
shack is I am now using a Signalink USB instead of the PC modem.

The new problem is I am off frequency.  I had no answers calling
people.  When I called CQ  I had to use the RIT to tune down 24Hz to
copy correctly.  This happens  in both the stand alone MMTTY and running
under N1MM.

Can someone share their profile with me? Their settings?  Shed some
light as to what I am doing wrong?

I had a saved profile from 2011 but that did the same thing.

Thanks,

Don

-- 
Don Minkoff
NK6A

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