Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: The Natural Philosopher 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: References: <_hycnQxlN5kAphr6nZ2dnZfqn_SdnZ2d@earthlink.com> <380b1c81-2b3c-6409-6bbd-edfba43be389@example.net> <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 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 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.