[Lowfer] Digi sig on 10Mhz?
David L. Wilson
dwilson314 at verizon.net
Sat Mar 15 11:14:35 EDT 2014
>
> DDK9 10100.800 KHz 50 baud 450hz shift
>
> 50 baud is 67 wpm or thereabouts.
Most likely 425 Hz shift rather than 450 Hz shift.
Also,
WPM= (Bd/UC)*60 [s/min]/6 [char/word]=(Bd/UC)*10. The 6 come from the
reference word "Paris". Where Bd=Baud rate and UC=Unit Code (7.5 if the
stop bit is 1.5 times as long as the other bits (common in Europe, and 7 3/7
if older U.S., and 7.0 if all Baudot bits are the same length). Using 50 Bd
give 66.66 WPM. (The mathematician part of me just could not keep quite.)
--
David L. Wilson AC4IU
> On 2014-03-15 04:09, Zack Widup wrote:
> > There is a RTTY signal that hangs out day and night right at the
> > bottom of the ham band, around 10101 or 10102. I have never been able
> > to decode it. But it's definitely RTTY.
> >
> > 73, Zack W9SZ
> >
> > On 3/14/14, John Bruce McCreath <weazle at hurontel.on.ca> wrote:
> >> PSK31 maybe? Just a guess.
> >>
> >> 73, J.B., VE3EAR
> >>
> >> LowFER Beacon "EAR"
> >> 188.830 kHz. QRSS30
> >> EN93dr
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