[RTTY] SPOT:SV2ASP/A 18.107.6 RTTY

[WW3S]

the ham that just left there took several donated items, and I think I read 
somewhere  that a German ham shipped a 3 L steppir....


On 4/29/2011 8:13:05 PM, Mike Fatchett W0MU (w0mu at w0mu.com) wrote:
> Sounds like one of the DX Associations should be sending out a care
> package to Monk Apollo.
>
> On 4/29/2011 6:01 PM, Michael Haack wrote:
> > I had one and did the mod.
> > And that modification works.
> > While it limits you to 170 Hz shift on all modes, it does make a
> difference.
> >
> > 73 de Mike, WB9B
> >
> >
> >
> >
> > On 04/29/2011 1:51 PM, Joe Subich, W4TV wrote:
> >> AMTOR or not, the PK-232 was designed primarily for HF Packet and
> >> uses 200 Hz shift for both transmit and receive on HF.  The modem is
> >> a typical 1980's filter/slicer for receive (multiple stages of op-
> >> amp based filters) and a PLL for transmit.  "Nominal" HF tones are
> >> 2110/2310 Hz.
> >>
> >> There is a modification for the PK-232 that will convert it to
> >> 170 Hz (http://www.qsl.net/k0bx/align.htm).  The modification
> >> involves replacing four resistors (in the receive filter) and
> >> aligning the AFSK generator for 170 Hz (to 2125/2295).
> >>
> >> 73,
> >>
> >>       ... Joe, W4TV
> >>
> >>
> >> On 4/28/2011 11:29 PM, Kok Chen wrote:
> >>> On Apr 28, 2011, at 4:05 PM, Kok