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'Silly Y2K Questions [OT]'
1999\01\04@091612 by lilel

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Nigel Goodwin Sez:


> I had a wonderful phone conversation with a guy the other day, he
> was worried that his washing machine would explode on Jan 1st 2000 -
> I asked him about the machine, and it turned out it was just a model
> with a motorized sequencer - no electronics at all! :-).


That's nothing, Nigel, I had to write a letter certifying that a
toaster with a mechanical bimetal control was Y2K compliant.  I also
had to certify a timer based on a 4000 series CMOS RC oscillator was
Y2K compliant.  The recipeint of the letter was sceptical that ANY
electronic device would SURVIVE after January 1, 2000.





-- Lawrence Lile

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=> Brownout tester plans
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at:  http://home1.gte.net/llile/index.htm

1999\01\04@123416 by Dmitry Kiryashov

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Hello Lawrence ;-)

Are you really write about such a things ??? ;-) I couldn't beleive my
eyes ;-) Cool !!! CMOS RC oscillator stamped with label Y2K compliant
;-) ;-) ;-) The real win of massmedia under peoples ;-)

WBR Dmitry.

Lawrence Lile wrote:

{Quote hidden}

1999\01\04@152938 by Matt Bonner

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Dmitry Kiryashov wrote:
>
> Are you really write about such a things ??? ;-) I couldn't beleive my
> eyes ;-) Cool !!! CMOS RC oscillator stamped with label Y2K compliant
> ;-) ;-) ;-) The real win of massmedia under peoples ;-)
>
Almost as good as "Y2K Compliant" is the marketing phrase "Internet
Ready".  I've got a powerbar with a surge-protected modem plug, the box
is prominantly marked "Internet Ready"!?

--Matt

1999\01\04@154149 by dave vanhorn

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At 01:20 PM 1/4/99 -0700, Matt Bonner wrote:
>Dmitry Kiryashov wrote:
>>
>> Are you really write about such a things ??? ;-) I couldn't beleive my
>> eyes ;-) Cool !!! CMOS RC oscillator stamped with label Y2K compliant
>> ;-) ;-) ;-) The real win of massmedia under peoples ;-)
>>
>Almost as good as "Y2K Compliant" is the marketing phrase "Internet
>Ready".  I've got a powerbar with a surge-protected modem plug, the box
>is prominantly marked "Internet Ready"!?
>
>--Matt


But is it "Approved for Color"?  (Marking on TV antennas, even though there
is no way to make one that wouldn't work for color, but would work for B/W..

1999\01\04@170229 by Andy Kunz

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>>Almost as good as "Y2K Compliant" is the marketing phrase "Internet
>>Ready".  I've got a powerbar with a surge-protected modem plug, the box
>>is prominantly marked "Internet Ready"!?
>>
>>--Matt
>
>
>But is it "Approved for Color"?  (Marking on TV antennas, even though there
>is no way to make one that wouldn't work for color, but would work for B/W..

You got the concept wrong.  That's a Apartheid Antenna, for Segregated
Video.  Those went out of use in the USA during the 1960's, later in some
other countries, earlier in others.

Andy

==================================================================
Andy Kunz - Statistical Research, Inc. - Westfield, New Jersey USA
==================================================================

1999\01\04@170814 by John Payson

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>Almost as good as "Y2K Compliant" is the marketing phrase "Internet
>Ready".  I've got a powerbar with a surge-protected modem plug, the box
>is prominantly marked "Internet Ready"!?

|But is it "Approved for Color"?  (Marking on TV antennas, even though there
|is no way to make one that wouldn't work for color, but would work for B/W..

I would think that if you constructed an antenna so that it would
output two images of a signal, equal in strength and electrical
phasing, but spaced 140ns apart, that the resulting antenna would
work just fine for black and white reception (the blurring produced
by the 140ns delay would be trivial) but would be quite unsuitable
for NTSC color (the 3.57545MHz color subcarrier would get nulled
out).

So when an antenna is "Approved for Color", that means it doesn't
do that.  Simple.  [It may refer to the notion that color reception
requires a better antenna than black and white, but a crummy antenna
may do a better job of receiving a station 5 miles away than a good
antenna would do at receiving a station 50 miles away].

1999\01\04@215438 by Mike Keitz

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On Mon, 4 Jan 1999 08:14:39 +0000 Lawrence Lile <spam_OUTlilelTakeThisOuTspamtoastmaster.com>
writes:
>Nigel Goodwin Sez:
>
>
>> I had a wonderful phone conversation with a guy the other day, he
>> was worried that his washing machine would explode on Jan 1st 2000 -
>> I asked him about the machine, and it turned out it was just a model
>> with a motorized sequencer - no electronics at all! :-).
>
>
>That's nothing, Nigel, I had to write a letter certifying that a
>toaster with a mechanical bimetal control was Y2K compliant.  I also
>had to certify a timer based on a 4000 series CMOS RC oscillator was
>Y2K compliant.

Manuufacturers should be sure to put a certificate of compliance on the
outside of the box and on big signs in the showroom too.  This is the
year to sell everyone new appliances before they discover that their old
ones keep working.

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1999\01\05@135314 by Peter L. Peres

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Hello,

> But is it "Approved for Color"?  (Marking on TV antennas, even though there
> is no way to make one that wouldn't work for color, but would work for B/W..

 Ahem, in fact, there is. As any antenna tinkerer knows, certain cable
lengths and stubs (or improperly connected baluns) have a high enough Q to
be able to zap the color and/or the sound only (or at least, distort
either so bad, as to render the installation useless on certain channels).
I remember some interesting moments trying to find such a cable segment on
a roof with a grid dip meter...

Peter

1999\01\05@143255 by dave vanhorn

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At 07:16 PM 1/5/99 +0000, Peter L. Peres wrote:
>Hello,
>
>> But is it "Approved for Color"?  (Marking on TV antennas, even though there
>> is no way to make one that wouldn't work for color, but would work for B/W..
>
>  Ahem, in fact, there is. As any antenna tinkerer knows, certain cable
>lengths and stubs (or improperly connected baluns) have a high enough Q to
>be able to zap the color and/or the sound only (or at least, distort
>either so bad, as to render the installation useless on certain channels).
>I remember some interesting moments trying to find such a cable segment on
>a roof with a grid dip meter...
>
>Peter

While you can stub any carrier out, that's the feedline, not part of the
antenna.
TV antennas are generally Log Periodics, and their huge bandwidth precludes
any problem with the color subcarrier and information, as opposed to the
rest of a given channel's bandwidth.

1999\01\05@145929 by Dmitry Kiryashov

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Very interesting suggestion. ;-)

I'm very interesting how to obtain 140ns delay with antenna that is
designed for receiving/amplifying freq's in range 80Mhz(12.5ns) and
higher. This design should also meet a conditions of required ampli-
fying and correct loading. In other words it seems to be that label
"Approved for color" are equal to "It's made by right hands" ;-)

WBR Dmitry.

John Payson wrote:
{Quote hidden}

1999\01\05@154640 by Peter L. Peres

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Hello,

On Tue, 5 Jan 1999, dave vanhorn wrote:

> While you can stub any carrier out, that's the feedline, not part of the
> antenna.
> TV antennas are generally Log Periodics, and their huge bandwidth precludes
> any problem with the color subcarrier and information, as opposed to the
> rest of a given channel's bandwidth.

Actually where I was doing this they had mild DX conditions and used 4 or
5 narrow band Yagis, 2 of them high gain (up to 74 elements each) and 3
3-elements and a corresponding assortment of junction boxes and baluns.
The culprit was not the balun, but the feed cable of *another* antenna in
the group, whose length was in forbidden territory. The isolation of the
junction box was not enough to avoid its effect. I thought all the time
that there was an ailing amplifier but the effect was there with ampli
power off and this stopped me for a while ;) In the end, cutting the
offending cable 10cm shorter fixed it. All the baluns were coax loop type.

Peter

1999\01\06@071551 by Dr. Imre Bartfai

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On Mon, 4 Jan 1999, Matt Bonner wrote:

> Dmitry Kiryashov wrote:
> >
> > Are you really write about such a things ??? ;-) I couldn't beleive my
> > eyes ;-) Cool !!! CMOS RC oscillator stamped with label Y2K compliant
> > ;-) ;-) ;-) The real win of massmedia under peoples ;-)
> >
> Almost as good as "Y2K Compliant" is the marketing phrase "Internet
> Ready".  I've got a powerbar with a surge-protected modem plug, the box
> is prominantly marked "Internet Ready"!?
>
> --Matt
>
>
Was that plug also Y2K Compliant ? (JFF)

1999\01\07@020435 by Nigel Goodwin

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In message <4.1.19990105142021.03c59a10@192.168.0.1>, dave vanhorn
<.....dvanhornKILLspamspam@spam@CEDAR.NET> writes
>While you can stub any carrier out, that's the feedline, not part of the
>antenna.
>TV antennas are generally Log Periodics, and their huge bandwidth precludes
>any problem with the color subcarrier and information, as opposed to the
>rest of a given channel's bandwidth.

In the UK Log Periodics are very rare, and are normally only used when a
wide band aerial is required, they have considerably less gain than a
conventional Yagi - but have reasonable anti-ghosting properties,
although the 'Short Back Fire' arrays are even better in that respect.

In the UK as well, when colour first appeared the manufacturers just
added 'Colour Ready' stickers to the existing aerials :-).
--

Nigel.

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