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Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE)

Newsgroups comp.os.linux.misc
From Charlie Gibbs <cgibbs@kltpzyxm.invalid>
Subject Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE)
References (21 earlier) <JaicnZf9P7I1tz31nZ2dnZfqn_GdnZ2d@giganews.com> <107pkgr$1k377$18@dont-email.me> <mgd2rjFlaapU4@mid.individual.net> <Xaycnc1Qm-twEDz1nZ2dnZfqn_WdnZ2d@giganews.com> <107s5nl$26fsr$7@dont-email.me>
Message-ID <3YooQ.94864$fST5.77761@fx18.iad> (permalink)
Date 2025-08-17 18:12 +0000

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On 2025-08-17, The Natural Philosopher <tnp@invalid.invalid> wrote:

> On 17/08/2025 09:08, c186282 wrote:
>
>> "AM" is 'fair' for music ... not like you have
>>    McIntosh amps/speakers in your car. It is, well,
>>    "adequate".
>> 
>>    The main prob is NOISE ...

We have enough hills around here that even FM signals
can get noisy.  And if you're stopped at a traffic light,
Murphy guarantees you'll be in a spot where multipath copies
of the signal cancel each other out.

> That is because your RF bandwidth is only as wide as your audio bandwidth,
>
> And in Europe its SHIT for music, unless you are deaf. 4kHz is the 
> absolute limit
>
> (We have 9kHz channel spacing)

In North America it's 10kHz spacing, hence 5kHz bandwidth (plus a
few birdies if a station on the adjacent channel strays a bit over -
not that that's too likely now that AM stations are disappearing).

> Even FM in Europe is a bit restricted as IIRC they crammed channels in 
> at 200kHz spacing. Its not enough.

We have 200kHz spacing too, but centered on odd tenths of a megahertz
rather than even tenths.  (That keeps the signal from going outside the
88-108MHz band.)

> For decent stereo you need 400kHz...

By then everything will be digital via Internet or satellite -
and the signal will be compressed into crap so it doesn't really
matter anyway.

-- 
/~\  Charlie Gibbs                  |  Growth for the sake of
\ /  <cgibbs@kltpzyxm.invalid>      |  growth is the ideology
 X   I'm really at ac.dekanfrus     |  of the cancer cell.
/ \  if you read it the right way.  |    -- Edward Abbey

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Thread

Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) "Carlos E. R." <robin_listas@es.invalid> - 2025-08-14 11:27 +0200
  Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) The Natural Philosopher <tnp@invalid.invalid> - 2025-08-14 11:59 +0100
    Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) "Carlos E. R." <robin_listas@es.invalid> - 2025-08-14 14:08 +0200
      Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) The Natural Philosopher <tnp@invalid.invalid> - 2025-08-14 13:54 +0100
        Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) "Carlos E. R." <robin_listas@es.invalid> - 2025-08-14 15:21 +0200
          Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) Rich <rich@example.invalid> - 2025-08-14 13:32 +0000
            Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) "Carlos E. R." <robin_listas@es.invalid> - 2025-08-14 18:52 +0200
              Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) c186282 <c186282@nnada.net> - 2025-08-14 23:53 -0400
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) "Carlos E. R." <robin_listas@es.invalid> - 2025-08-15 10:57 +0200
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) c186282 <c186282@nnada.net> - 2025-08-15 07:26 -0400
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) "Carlos E. R." <robin_listas@es.invalid> - 2025-08-15 13:42 +0200
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) rbowman <bowman@montana.com> - 2025-08-15 20:46 +0000
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) "Carlos E. R." <robin_listas@es.invalid> - 2025-08-15 23:00 +0200
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-16 04:53 +0000
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) c186282 <c186282@nnada.net> - 2025-08-16 02:52 -0400
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) The Natural Philosopher <tnp@invalid.invalid> - 2025-08-16 10:54 +0100
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-17 01:12 +0000
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) rbowman <bowman@montana.com> - 2025-08-17 04:07 +0000
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) c186282 <c186282@nnada.net> - 2025-08-17 04:08 -0400
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) The Natural Philosopher <tnp@invalid.invalid> - 2025-08-17 10:00 +0100
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-08-17 18:12 +0000
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) The Natural Philosopher <tnp@invalid.invalid> - 2025-08-17 21:02 +0100
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) rbowman <bowman@montana.com> - 2025-08-17 21:29 +0000
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) The Natural Philosopher <tnp@invalid.invalid> - 2025-08-18 10:39 +0100
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) rbowman <bowman@montana.com> - 2025-08-19 00:48 +0000
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2025-08-18 18:02 -0700
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-18 00:36 +0000
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) Nuno Silva <nunojsilva@invalid.invalid> - 2025-08-18 09:42 +0100
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) The Natural Philosopher <tnp@invalid.invalid> - 2025-08-18 11:01 +0100
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) rbowman <bowman@montana.com> - 2025-08-17 21:21 +0000
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) The Natural Philosopher <tnp@invalid.invalid> - 2025-08-18 10:39 +0100
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-18 00:34 +0000
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) c186282 <c186282@nnada.net> - 2025-08-18 00:37 -0400
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) "Carlos E.R." <robin_listas@es.invalid> - 2025-08-19 14:24 +0200
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) The Natural Philosopher <tnp@invalid.invalid> - 2025-08-19 13:36 +0100
                Radio [Was Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE)] "Carlos E.R." <robin_listas@es.invalid> - 2025-08-19 15:43 +0200
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) The Natural Philosopher <tnp@invalid.invalid> - 2025-08-16 10:49 +0100
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) rbowman <bowman@montana.com> - 2025-08-17 03:33 +0000
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) rbowman <bowman@montana.com> - 2025-08-15 20:41 +0000
                Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) "Carlos E. R." <robin_listas@es.invalid> - 2025-08-15 23:04 +0200
      Re: Surviving Power Failures (was Re: Real-time OSs) "Carlos E. R." <robin_listas@es.invalid> - 2025-08-15 12:15 +0200
        Re: Surviving Power Failures (was Re: Real-time OSs) The Natural Philosopher <tnp@invalid.invalid> - 2025-08-15 14:11 +0100
        Re: Surviving Power Failures (was Re: Real-time OSs) rbowman <bowman@montana.com> - 2025-08-15 20:16 +0000
          Re: Surviving Power Failures (was Re: Real-time OSs) "Carlos E. R." <robin_listas@es.invalid> - 2025-08-15 23:14 +0200
            Re: Surviving Power Failures (was Re: Real-time OSs) rbowman <bowman@montana.com> - 2025-08-16 07:57 +0000
              Re: Surviving Power Failures (was Re: Real-time OSs) c186282 <c186282@nnada.net> - 2025-08-16 04:07 -0400
              Re: Surviving Power Failures (was Re: Real-time OSs) "Carlos E.R." <robin_listas@es.invalid> - 2025-08-19 13:48 +0200
    Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-15 04:29 +0000
      Resiliency of communication channels (was: Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE)) Nuno Silva <nunojsilva@invalid.invalid> - 2025-08-15 10:55 +0100
        Re: Resiliency of communication channels "Carlos E. R." <robin_listas@es.invalid> - 2025-08-15 12:09 +0200
          Re: Resiliency of communication channels The Natural Philosopher <tnp@invalid.invalid> - 2025-08-15 14:08 +0100
          Re: Resiliency of communication channels rbowman <bowman@montana.com> - 2025-08-15 20:28 +0000
            Re: Resiliency of communication channels "Carlos E. R." <robin_listas@es.invalid> - 2025-08-15 23:20 +0200
            Re: Resiliency of communication channels "Carlos E.R." <robin_listas@es.invalid> - 2025-08-19 13:55 +0200
              Re: Resiliency of communication channels Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2025-08-19 09:51 -0700
                Re: Resiliency of communication channels "Carlos E.R." <robin_listas@es.invalid> - 2025-08-19 21:12 +0200
        Re: Resiliency of communication channels The Natural Philosopher <tnp@invalid.invalid> - 2025-08-15 14:06 +0100
          Re: Resiliency of communication channels Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-08-15 18:26 +0000
            Re: Resiliency of communication channels The Natural Philosopher <tnp@invalid.invalid> - 2025-08-15 19:54 +0100

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