Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: The Natural Philosopher <tnp@invalid.invalid>
Newsgroups: comp.os.linux.misc
Subject: Re: Turn Your Radio On ...
Date: Sun, 2 Feb 2025 10:18:07 +0000
Organization: A little, after lunch
Lines: 59
Message-ID: <vnngov$ksvm$3@dont-email.me>
References: <_hycnQxlN5kAphr6nZ2dnZfqn_SdnZ2d@earthlink.com>
 <G3RmP.87394$G93a.57113@fx05.iad> <slrnvpoljn.sh8.spamtrap42@one.localnet>
 <noWcnXgwHvPQ_gH6nZ2dnZfqnPGdnZ2d@earthlink.com>
 <m03a3oF3p1pU4@mid.individual.net>
 <fGydnfItN7aI6gH6nZ2dnZfqnPqdnZ2d@earthlink.com>
 <vni8u0$3etjd$9@dont-email.me> <slrnvppvna.v00d.lars@cleo.beagle-ears.com>
 <380b1c81-2b3c-6409-6bbd-edfba43be389@example.net>
 <WvidncuCn7yf6QD6nZ2dnZfqn_udnZ2d@earthlink.com>
 <m05mlgFfqe7U1@mid.individual.net> <vnka3k$3ur1o$1@dont-email.me>
 <slrnvpsuhn.1b4k1.lars@cleo.beagle-ears.com>
 <5Fidna-8yf79BgP6nZ2dnZfqnPGdnZ2d@earthlink.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
Injection-Date: Sun, 02 Feb 2025 11:18:08 +0100 (CET)
Injection-Info: dont-email.me; posting-host="6c687eb899cd632e25a74d3001a025af";
	logging-data="685046"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX19HiMHwvGdw17m54CHl/pSPXd5sChbjxzQ="
User-Agent: Mozilla Thunderbird
Cancel-Lock: sha1:x4SCyGPl7wKDkXcewd/Dp0LAgbQ=
Content-Language: en-GB
In-Reply-To: <5Fidna-8yf79BgP6nZ2dnZfqnPGdnZ2d@earthlink.com>

On 01/02/2025 22:08, WokieSux282@ud0s4.net wrote:
> On 2/1/25 2:47 PM, Lars Poulsen wrote:
>> On Fri, 31 Jan 2025 20:08:17 -0500, WokieSux282@ud0s4.net wrote:
>>>>>     It was common for US stations to start/end/both with the national
>>>>>     anthem or something similar. A test pic of an eagle or something
>>>>>     'patriotic' on the screen. The practice kinda faded in the 
>>>>> latter 60s
>>>>>     once we had been told to be self-loathing.
>>
>> rbowman <bowman@montana.com> wrote:
>>>> The test patterns were dropped as color TV became more popular. 
>>>> Color TV
>>>> drove my uncle crazy. You had to be a little artistic to adjust the RGB
>>>> balance so everyone didn't look like a corpse and he was a techie, 
>>>> not an
>>>> artist.
>>>
>> On 2025-02-01, Rich <rich@example.invalid> wrote:
>>> I remember a "color" (which was really 'saturation') knob, and a "tint"
>>> knob, but don't remember any sets with external knobs to adjust R, G
>>> and B colors (other than maybe in the "no user servicable parts inside"
>>> area...).
>>>
>>> But yes, getting color and tint just right so things looked half normal
>>> instead of corpse or nauseated was a real challenge.
>>
>> The old National Television Standards Committee (NTSC) was sometimes
>> referred to by the alternative expansion "Never Twice the Same Color".
>> The "tint" part of the encoding was a phase adjustment on the color
>> subcarrier. The transmitters tended to have some phase drift.
> 
> 
>    Hey, it was all analog ... slightest change in
>    temperature, or a beer can next to the works ...
> 
Worse than that, Multipath was the killer. Aircraft flying overhead, 
trees waving in the breeze

> 
>> The French version of color TV encoding was called SECAM, often
>> translated as "Supreme Effort Contre les AMericains". The Germans came
>> up with a simpler solution: They reversed the phase every other line,
>> whereby it became self-correcting. PAL - Phase Alternating Line.
> 
>    Clever !
> 
>> Everyone else picked up the German system, except for the Soviet allies,
>> who adopted the French system, so that the West German broadcasts would
>> be displayed in Black and White only.
> 
>    Doubt there were TOO many color TVs in the
>    old eastern bloc. In any case, making the
>    opponent's stuff look worse is good propaganda.
> 

-- 
Karl Marx said religion is the opium of the people.
But Marxism is the crack cocaine.