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Re: [BBC] US nuclear force 'still uses floppy disks'

From Morten Reistad <first@last.name.invalid>
Newsgroups alt.folklore.computers
Subject Re: [BBC] US nuclear force 'still uses floppy disks'
Date 2016-05-31 21:28 +0200
Organization Me, Myself and I
Message-ID <p8512d-k75.ln1@sambook.reistad.name> (permalink)
References <slrnnkd8c2.e8s.dnied@dnied-at-tiscali.it> <dr3ff2FoiipU1@mid.individual.net> <alpine.LNX.2.02.1605302320210.32461@darkstar.example.org> <35921cde-3d66-4149-8ccc-422dae8fa436@googlegroups.com>

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In article <35921cde-3d66-4149-8ccc-422dae8fa436@googlegroups.com>,
Quadibloc  <jsavard@ecn.ab.ca> wrote:
>On Monday, May 30, 2016 at 9:26:13 PM UTC-6, Michael Black wrote:
>> Why not just use an external speaker?  In the old 
>> days, the better shortwave radios did that.
>
>That may be, but FM radios have better sound quality than short-wave radios for 
>reasons that a speaker won't help.
>
>FM signals have a high inherent noise immunity; short-wave broadcasts come from the other side of the world, and have been
>repeatedly subjected to the vagaries of the ionosphere.

Also, the broadcast signal is a lot narrower on SW.

In the very worst cases, like SSB, the frequency response is ~100-3500 Hz, 
much like a telephone line. The mandatory cutoff is at 5 kHz even on
MW AM stations.

The FM, however, has 50 or 100 kHz of bandwidth, but is expanded around
3:1 from the AM signal, so it should give at least 15 kHz worth of 
available bandwith. The stereo separation is at 19 kHz, with a 38 kHz
subcarrier for the other channel.

The S/N ratio is almost always better on FM, although in theory it
could be better on AM. The Atmosphere is almost never that quiet.

-- mrr

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[BBC] US nuclear force 'still uses floppy disks' Dario Niedermann <dnied@tiscali.it> - 2016-05-26 09:10 +0200
  Re: [BBC] US nuclear force 'still uses floppy disks' Quadibloc <jsavard@ecn.ab.ca> - 2016-05-26 00:28 -0700
    Re: [BBC] US nuclear force 'still uses floppy disks' Michael Black <et472@ncf.ca> - 2016-05-26 12:40 -0400
  Re: [BBC] US nuclear force 'still uses floppy disks' Dave Pitts <dpitts@cozx.com> - 2016-05-26 07:42 -0600
    Re: [BBC] US nuclear force 'still uses floppy disks' JimP <solosam90@gmail.com> - 2016-05-26 09:00 -0500
      Re: [BBC] US nuclear force 'still uses floppy disks' Quadibloc <jsavard@ecn.ab.ca> - 2016-05-26 07:09 -0700
      Re: [BBC] US nuclear force 'still uses floppy disks' Anne & Lynn Wheeler <lynn@garlic.com> - 2016-05-26 07:28 -0700
    Re: [BBC] US nuclear force 'still uses floppy disks' Michael Black <et472@ncf.ca> - 2016-05-26 12:43 -0400
      Re: [BBC] US nuclear force 'still uses floppy disks' Jon Elson <jmelson@wustl.edu> - 2016-05-26 14:01 -0500
    Re: [BBC] US nuclear force 'still uses floppy disks' Peter Flass <peter_flass@yahoo.com> - 2016-05-26 16:22 -0400
  Re: [BBC] US nuclear force 'still uses floppy disks' RS Wood <rsw@therandymon.com> - 2016-05-27 13:08 +0000
    Re: [BBC] US nuclear force 'still uses floppy disks' Dave Pitts <dpitts@cozx.com> - 2016-05-27 07:43 -0600
      Re: [BBC] US nuclear force 'still uses floppy disks' Andrew Swallow <am.swallow@btopenworld.com> - 2016-05-27 15:58 +0100
    Re: [BBC] US nuclear force 'still uses floppy disks' Anssi Saari <as@sci.fi> - 2016-05-27 17:13 +0300
      Re: [BBC] US nuclear force 'still uses floppy disks' Ahem A Rivet's Shot <steveo@eircom.net> - 2016-05-27 16:36 +0100
    Re: [BBC] US nuclear force 'still uses floppy disks' Stephen Wolstenholme <steve@easynn.com> - 2016-05-27 15:48 +0100
      Re: [BBC] US nuclear force 'still uses floppy disks' Michael Black <et472@ncf.ca> - 2016-05-27 12:47 -0400
        Re: [BBC] US nuclear force 'still uses floppy disks' Peter Flass <peter_flass@yahoo.com> - 2016-05-28 15:18 -0400
          Re: [BBC] US nuclear force 'still uses floppy disks' Michael Black <et472@ncf.ca> - 2016-05-28 22:48 -0400
            Re: [BBC] US nuclear force 'still uses floppy disks' cb@elaine.df.lth.se (Christian Brunschen) - 2016-05-29 09:55 +0000
            Re: [BBC] US nuclear force 'still uses floppy disks' Peter Flass <peter_flass@yahoo.com> - 2016-05-29 07:26 -0400
        Re: [BBC] US nuclear force 'still uses floppy disks' Alan Bowler <atbowler@thinkage.ca> - 2016-05-30 12:48 -0400
          Re: [BBC] US nuclear force 'still uses floppy disks' Michael Black <et472@ncf.ca> - 2016-05-30 13:37 -0400
            Re: [BBC] US nuclear force 'still uses floppy disks' "Osmium" <r124c4u102@comcast.net> - 2016-05-30 13:35 -0500
              Re: [BBC] US nuclear force 'still uses floppy disks' Michael Black <et472@ncf.ca> - 2016-05-30 23:26 -0400
                Re: [BBC] US nuclear force 'still uses floppy disks' "J. Clarke" <j.clarke.873638@gmail.com> - 2016-05-30 23:34 -0400
                Re: [BBC] US nuclear force 'still uses floppy disks' roger.ivie@gmail.com - 2016-05-30 21:23 -0700
                Re: [BBC] US nuclear force 'still uses floppy disks' Quadibloc <jsavard@ecn.ab.ca> - 2016-05-31 07:11 -0700
                Re: [BBC] US nuclear force 'still uses floppy disks' Michael Black <et472@ncf.ca> - 2016-05-31 10:46 -0400
                Re: [BBC] US nuclear force 'still uses floppy disks' Morten Reistad <first@last.name.invalid> - 2016-05-31 21:28 +0200
                Re: [BBC] US nuclear force 'still uses floppy disks' JimP <solosam90@gmail.com> - 2016-05-31 11:37 -0500
                Re: [BBC] US nuclear force 'still uses floppy disks' Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-05-31 16:49 +0000
                Re: [BBC] US nuclear force 'still uses floppy disks' Morten Reistad <first@last.name.invalid> - 2016-05-31 21:35 +0200
                Re: [BBC] US nuclear force 'still uses floppy disks' Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-05-31 20:21 +0000
                Re: [BBC] US nuclear force 'still uses floppy disks' Morten Reistad <first@last.name.imvalid> - 2016-06-01 01:33 +0200
                Re: [BBC] US nuclear force 'still uses floppy disks' Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-06-01 00:13 +0000
                Re: [BBC] US nuclear force 'still uses floppy disks' Morten Reistad <first@last,name.invalid> - 2016-06-01 08:34 +0200
                Re: [BBC] US nuclear force 'still uses floppy disks' "J. Clarke" <j.clarke.873638@gmail.com> - 2016-06-01 06:32 -0400
                Re: [BBC] US nuclear force 'still uses floppy disks' Stephen Wolstenholme <steve@easynn.com> - 2016-06-01 12:01 +0100
                Re: [BBC] US nuclear force 'still uses floppy disks' Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-06-01 17:41 +0000
                Re: [BBC] US nuclear force 'still uses floppy disks' Morten Reistad <first@last.name.invalid> - 2016-06-01 21:39 +0200
                Re: [BBC] US nuclear force 'still uses floppy disks' "J. Clarke" <j.clarke.873638@gmail.com> - 2016-06-01 16:46 -0400
                Re: [BBC] US nuclear force 'still uses floppy disks' Morten Reistad <first@last.name.invalid> - 2016-06-02 12:10 +0200
                Re: [BBC] US nuclear force 'still uses floppy disks' Morten Reistad <first@Last.name.invalid> - 2016-06-01 13:12 +0200
                Re: [BBC] US nuclear force 'still uses floppy disks' hancock4@bbs.cpcn.com - 2016-06-01 13:07 -0700
                Re: [BBC] US nuclear force 'still uses floppy disks' "J. Clarke" <j.clarke.873638@gmail.com> - 2016-06-01 16:54 -0400
                Re: [BBC] US nuclear force 'still uses floppy disks' Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-01 07:15 +0100
                Re: [BBC] US nuclear force 'still uses floppy disks' Quadibloc <jsavard@ecn.ab.ca> - 2016-06-01 10:20 -0700
                Re: [BBC] US nuclear force 'still uses floppy disks' Michael Black <et472@ncf.ca> - 2016-06-01 14:26 -0400
                Re: [BBC] US nuclear force 'still uses floppy disks' Gene Wirchenko <genew@telus.net> - 2016-06-01 14:03 -0700
                Re: [BBC] US nuclear force 'still uses floppy disks' JimP <solosam90@gmail.com> - 2016-06-01 18:09 -0500
                Re: [BBC] US nuclear force 'still uses floppy disks' Michael Black <et472@ncf.ca> - 2016-06-02 15:23 -0400
                Re: [BBC] US nuclear force 'still uses floppy disks' JimP <solosam90@gmail.com> - 2016-06-02 14:31 -0500
                Re: [BBC] US nuclear force 'still uses floppy disks' Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-06-02 20:44 +0000
                Re: [BBC] US nuclear force 'still uses floppy disks' Quadibloc <jsavard@ecn.ab.ca> - 2016-06-02 16:01 -0700
                Re: [BBC] US nuclear force 'still uses floppy disks' JimP <solosam90@gmail.com> - 2016-06-02 18:28 -0500
                Re: [BBC] US nuclear force 'still uses floppy disks' jmfbahciv <See.above@aol.com> - 2016-06-01 13:52 +0000
                Re: [BBC] US nuclear force 'still uses floppy disks' Morten Reistad <first@last.name.invalid> - 2016-06-01 16:19 +0200
                Re: [BBC] US nuclear force 'still uses floppy disks' Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-01 15:35 +0100
                Re: [BBC] US nuclear force 'still uses floppy disks' Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-06-01 17:42 +0000
                Re: [BBC] US nuclear force 'still uses floppy disks' Quadibloc <jsavard@ecn.ab.ca> - 2016-05-31 14:16 -0700
                Re: [BBC] US nuclear force 'still uses floppy disks' Peter Flass <peter_flass@yahoo.com> - 2016-05-31 16:09 -0400
                Re: [BBC] US nuclear force 'still uses floppy disks' Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-05-31 20:24 +0000
                Re: [BBC] US nuclear force 'still uses floppy disks' Stan Barr <plan.b@bluesomatic.org> - 2016-06-01 07:14 +0000
                Re: [BBC] US nuclear force 'still uses floppy disks' hancock4@bbs.cpcn.com - 2016-05-31 17:41 -0700
                Re: [BBC] US nuclear force 'still uses floppy disks' Quadibloc <jsavard@ecn.ab.ca> - 2016-05-31 19:24 -0700
                Re: [BBC] US nuclear force 'still uses floppy disks' Morten Reistad <first@last.name.invalid> - 2016-06-01 10:45 +0200
              Re: [BBC] US nuclear force 'still uses floppy disks' Ahem A Rivet's Shot <steveo@eircom.net> - 2016-05-31 07:03 +0100
                Re: [BBC] US nuclear force 'still uses floppy disks' "Osmium" <r124c4u102@comcast.net> - 2016-05-31 10:16 -0500
                Re: [BBC] US nuclear force 'still uses floppy disks' scott@slp53.sl.home (Scott Lurndal) - 2016-05-31 15:51 +0000
              Re: [BBC] US nuclear force 'still uses floppy disks' Stan Barr <plan.b@bluesomatic.org> - 2016-05-31 07:23 +0000
                Re: [BBC] US nuclear force 'still uses floppy disks' Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-05-31 16:49 +0000
            Re: [BBC] US nuclear force 'still uses floppy disks' hancock4@bbs.cpcn.com - 2016-05-31 17:36 -0700
          Re: [BBC] US nuclear force 'still uses floppy disks' Stan Barr <plan.b@bluesomatic.org> - 2016-05-31 07:16 +0000
  Re: [BBC] US nuclear force 'still uses floppy disks' hancock4@bbs.cpcn.com - 2016-05-28 13:11 -0700
    Re: [BBC] US nuclear force 'still uses floppy disks' "J. Clarke" <j.clarke.873638@gmail.com> - 2016-05-28 16:50 -0400
    Re: [BBC] US nuclear force 'still uses floppy disks' mausg@mail.com - 2016-05-29 10:08 +0000
      Re: [BBC] US nuclear force 'still uses floppy disks' Morten Reistad <first@last.name.invalid> - 2016-05-29 15:04 +0200
        Re: [BBC] US nuclear force 'still uses floppy disks' Peter Flass <peter_flass@yahoo.com> - 2016-05-29 16:41 -0400
        Re: [BBC] US nuclear force 'still uses floppy disks' hancock4@bbs.cpcn.com - 2016-05-31 17:29 -0700
          Re: [BBC] US nuclear force 'still uses floppy disks' Morten Reistad <first@last.name.invalid> - 2016-06-01 10:24 +0200
    Re: [BBC] US nuclear force 'still uses floppy disks' Peter Flass <peter_flass@yahoo.com> - 2016-05-29 07:26 -0400
      Re: [BBC] US nuclear force 'still uses floppy disks' "Osmium" <r124c4u102@comcast.net> - 2016-05-29 07:11 -0500
        Re: [BBC] US nuclear force 'still uses floppy disks' Morten Reistad <first@last.name.invalid> - 2016-05-29 15:09 +0200
        Re: [BBC] US nuclear force 'still uses floppy disks' Peter Flass <peter_flass@yahoo.com> - 2016-05-29 16:41 -0400
      Re: [BBC] US nuclear force 'still uses floppy disks' hancock4@bbs.cpcn.com - 2016-05-31 17:26 -0700
  Re: [BBC] US nuclear force 'still uses floppy disks' "Charles Richmond" <numerist@aquaporin4.com> - 2016-06-04 22:15 -0500

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