Look into MMTTY's BPF (Bandpass filter) and the Notch filters. You can set
two notches in the menu. Set the notch strength at twice the default value.
Then place a notch at either side ofthe display to ward off offending signals.
This helped a lot with my KNWD 570.
On Thu, 2 Jan 2003 16:22:27 -0000 Jim Martin <MM0BQI@theRSGB.net> wrote:
> Thanks for the replies. One thing I have found
> so far using the MPFilter
> program is that when in RTTY mode the selected
> filters are as follows
> NOR both 2.4k
> NAR1 both 2.0
> NAR2 both 250
> I thought narrow1 should select the 500Hz
> filters. I can swithch in the
> different filters and see their effects using
> the Filter progam so I know
> they are there, it is getting them switched in
> at the right time which is
> confusing me.
> Jim
> ----- Original Message -----
> From: "Jim Martin"
> To: "rtty"
> Sent: Thursday, January 02, 2003 9:43 AM
> Subject: [RTTY] RTTY and FT1000MP Mk V
>
>
> > Happy New Year everyone!
> > I am having severe problems with the MkV and
> MMTTY on a busy band. When
> a
> > strong signal starts up many KC/s away the
> trace on the display drops
> almost
> > to zero and I have problems decoding the
> station I am listening to. The
> > IC746 works much better so I assume I have
> messed up some settings. I
> have
> > tried IPO on/off and AGC off, both help but
> not enough.
> > The MkV filters fitted are as follows
> > 8.2 MHz 250Hz and 2.0KHz both Yaesu
> > 455KHz 250 Hz(Yaesu) , 400Hz (Inrad),
> 1.8Khz (Inrad)
> > 400Hz Inrad second RX
> > I am using FSK with the mode set to RTTY.
> > SSB and CW operation seems fine ( but maybe
> it should be better?)
> > Any comments on menu set-up and filter
> selection would be appreciated
> > because I am at my wits end with this one. I
> even looked at trading in
> for
> > a PRO!
> > Thanks and see you all in RU
> > Jim MM0BQI
> >
> >
> >
> >
> _______________________________________________
> > RTTY mailing list
> > RTTY@contesting.com
> >
> http://lists.contesting.com/mailman/listinfo/rtty
> >
>
> _______________________________________________
> RTTY mailing list
> RTTY@contesting.com
> http://lists.contesting.com/mailman/listinfo/rtty
>
|