[MRCG] Clatternet Schedule for Sunday 8/3/2014 20:30 TONIGHT

[Tim]

Hi Ray - Thanks for trying!   Maybe the Mark and Space tone frequencies
switch places once they cross the equator ??  LOL

Yep - lets try this across the pond - soon....Need to figure out the best
freq/time and you guys' work schedules as well..
73, Tim
N6CC


On Sun, Aug 3, 2014 at 9:22 PM, Ray Poularas <request at tuberadio.com> wrote:

> Unfortunately nothing heard here in Sydney Australia despite good clear
> conditions, I may need some additional work on my antenna system..its not
> great on 80M.
>
> Regards
> Ray
> www.tuberadio.com
>
> > I heard you guys, very strong signals but I have no means to decode.
> >
> >
> >
> > Tom, W6TOM
> >
> > -----Original Message-----
> > From: MRCG [mailto:mrcg-bounces at mailman.qth.net] On Behalf Of Mark J.
> > Blair
> > Sent: Sunday, August 03, 2014 7:27 PM
> > To: West Coast Military Radio Collectors Group
> > Cc: Jim Falls
> > Subject: Re: [MRCG] Clatternet Schedule for Sunday 8/3/2014 20:30 TONIGHT
> >
> > UPDATE! It was pointed out to me that the frequency I picked is just over
> > the digital sub-band edge. So, we'll QSY 50 kHz lower this evening. We
> can
> > discuss a better frequency later if that's not an optimum one for any
> > reason.
> >
> > Updated announcement:
> >
> > Folks, Tim N6CC and I plan to try another Clatternet tonight at 8:30 PM.
> >
> > This setup was chosen for best compatibility with the military gear
> likely
> > to be used on Clatternet.
> >
> > Mode:
> > * RTTY, 5 bit Baudot code, 45.45 baud
> > * 850 Hz shift
> > * Mark low (this is opposite of normal ham band convention)
> >
> > Actual transmitted frequencies:
> > * Mark  3551.575 kHz (+/- QRM in 1 kHz steps)
> > * Space 3552.425 kHz
> >
> > Tune a PRC-47 or GRC-106 as follows:
> > * Indicated freq 3550 kHz. USB, of course.
> > * Mark tone  1575 Hz
> > * Space tone 2425 Hz
> > * Centered around 2000 Hz
> >
> > For a modern SSB rig with a sound card modem, this setup might work
> > better:
> > * Indicated freq 3550.5 kHz USB
> > * Mark tone  1075 Hz
> > * Space tone 1925 Hz
> > * Centered around 1500 Hz
> >
> > A true FSK rig like a GRC-46, GRC-26, etc. would tune to 3551.575 kHz
> > (LOL!
> > Just zero-beat one of the SSB-based rigs on the net!).
> >
> > I'll be using a Yaesu FT-450D tonight, with a SigaLink USB interface and
> > running fldigi on my Mac. Getting my vintage RTTY gear running is on my
> > long
> > list of to-dos!
> >
> > --
> > Mark J. Blair, NF6X <nf6x at nf6x.net>
> > http://www.nf6x.net/
> >
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