archiv~1: Re: SETI Pegasus again not what one thinks

Re: SETI Pegasus again not what one thinks

Chris Johnson ( kris_johnson@yahoo.com )
Wed, 11 Nov 1998 16:29:37 -0800 (PST)

All,

Outlook Express has the option to "Insert Text from File" (which you
can also use to insert otherwise unavailable HTML code).

...

But WTH has this got to do with SETI?!? Can someone please bring this
list back on track?

[deep breaths]

Chris J.

---Walt Williams <dfheli@pacificnet.net> wrote:
>
> Hello Alfred,
>
> Have you tried 32 bit (Windows31/95/NT) Pegasus WinPmail? It has the
> ability to read text files into the WinPmail program as well as many
> other nice features. It is also free, does not consume 1/3 of
> available hard disk space and has built in speller.
>
> On the other hand, you could (if using Win95) cut and paste using
> the notebook (temporary memory buffer). Select the topic area by
> highlighting and then depress ^C (Control C keys) which copies the
> highlighted text into the notebook. Then click the e-mail program
> dialog box to cause focus and depress 'Shift Insert' keys to copy
> from notebook to e-mail program. If the buffer is not big enough, do
> it in sections.
>
> Hope this helps.
>
> See:
> http://www.pegasus.usa.com/Default.htm
>
> Best Wishes,
>
> Walt Williams, 98.11.11
>
> ====================================
>
> ------- Forwarded Message Follows -------
> Date: Tue, 10 Nov 1998 17:42:04 -0800
> From: "Alfred A. Aburto Jr." <aburto@cts.com>
> Reply-to: aburto@cts.com
> Organization: Calco, Inc.
> To: David Woolley <david@djwhome.demon.co.uk>, seti@sni.net
> Cc: nwelstead@seti.org.au, orbiter@tin.it,
astro@lists.mindspring.com
> Subject: Re: SETI Arecibo message to m13
>
> There is no way to read in a text file into an email
> message. The only option is attachments unfortunately!
> I've suggested to NETSCAPE and QUALCOMM to allow
> reading text files directly into an email message but
> no dice. They want us to use attachments ---
>
> On UNIX for example with the 'pine' email program one
> can read text files directly into the body of an email
> message. This is nice since one can compose an email
> off line then send it off --- no wasted time doing
> everything online.
>
> Anyway I thought NETSCAPE would put the text attachment
> inline, but I guess it doesn't work with all mail
> programs ... sorry about that ...
>
> > David Woolley wrote:
> >
> > [ Why have you sent an empty message with a text attachment? ]
> > > 1's and 0's. Each bit had a duration of 0.1 seconds. It is
> > > not clear what the bandwidth of the signal was unfortunately,
> >
> > That would depend on whether the pulses were shaped for optimimum
> > bandwith or just keyed on and off with (relatively) fast rise and
> > fall times. I'd have to check the text book, but the first ought
> > to put nearly everything into about +- 7.5Hz and the latter
> > would generate a signal with significant power to several 10s
> > of Hz and a theoretically infinite bandwidth.
> >
> > > but an FFT of 0.1 seconds indicates a binwidth of 10Hz. It
> >
> > That could be the worst possible bin width for this signal in search
> > mode, as the sidebands wouldn't show up at all if you were in
phase with
> > the modulation (FFTs and DFTs in general do have some artefacts
due to
> > their finite nature). It would be the optimimum width for
recovering
> > the modulation, but you couldn't use any integration, and you
would have
> > to synchronise the start of the FFT with the start of the bits.
> >
> > > The 2.8 minute message was only transmitted once. Averaging
> > > longer than 2.8 minutes would be counter productive as it
> > > would degrade the SNR.
> >
> > Just for clarification, we are talking here from a hindsight point
of
> > view as far as the receiver is concerned. 2.8 m is rather a short
> > integration time for a general search.
>
> Perhaps. Myself, I'd go with the FFT time span and avoid averaging
> altogether. Well, I'd overlap the FFT's maybe 50% at most.
>
> Al
>

==
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