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Re: Remember TV Test Patterns?

Posted by Olog-hai on Sat Oct 27 05:05:46 2007, in response to Re: Remember TV Test Patterns?, posted by Spider-Pig on Sat Oct 27 04:24:10 2007.

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I was the anthem being played on an American station in 2007

How did you become an anthem?

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(257929)

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Re: Remember TV Test Patterns?

Posted by TransitChuckG on Sat Oct 27 07:22:45 2007, in response to Re: Remember TV Test Patterns?, posted by tracksionmotor on Wed Oct 10 01:50:09 2007.

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Shep Rules..........EXCELCIOR

My favorite all time person. He described stuff so you were right in his thoughts. "I was this kid, see"

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(257968)

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Re: Remember TV Test Patterns?

Posted by W.B. on Sat Oct 27 12:20:22 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sat Oct 27 03:29:43 2007.

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I seem to recall this was originally classified by SMPTE as ECR 1-1978. Wonder what the "ECR" stood for in SMPTE parlance.

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(257971)

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Re: Remember TV Test Patterns?

Posted by W.B. on Sat Oct 27 12:47:38 2007, in response to Re: Remember TV Test Patterns?, posted by Olog-hai on Sat Oct 27 05:05:46 2007.

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Since the 1980's there were still some TV stations in the U.S. playing what is referred to by such buffs as the "SSB." They have, however, dwindled in number (obviously). As to favorites, there are those who prefer one or more of the above (just a partial list, mostly from after the late 1960's in origin):
- The U.S. Army Band "SSB", with shots of Washington landmarks and various members of the Army Band at different points
- Speaking of which, at least two different "home-made" variations with that exact same Army "SSB" recording exist: (a) seen on at least two North Dakota TV stations, with different branches of the military in action being shown, and (b) from WPIX in New York, a single solitary shot of a flag flying in the breeze; similar in production, camera angle (and even the sky outside) to a color film made in the 1940's (and seen on YouTube), only the earlier film had a 48-star flag while this one had 50 stars - for the record, it appears the WPIX-produced "SSB" film would be my personal favorite
- One or more "SSB" films produced by the Air Force, including: (a) the 'Moog "SSB"', so-named because it was performed on a Moog synthesizer; (b) the 'Split Screen "SSB"', so-named due to there being a flag in the center of the screen and shots of the planes flying on the top and bottom halves of the screen; and (c) the 'Aim High America "SSB"', with a male choir that starts around the key of C and ends up near the key of B (they gradually went down in pitch as the anthem went on)
- The U.S. Navy "SSB" from the late 1960's, which started off with a shot of a drummer as the camera zoomed to his drum; with shots of various Navy ships and a montage of different uniformed members zooming towards the camera over a shot of a flag
- Another Navy "SSB", c.1980's, verified as having been aired as of 1986 on KCOP (Ch. 13) in Los Angeles, CA
- The 'Flag Evolution "SSB"', a three-and-a-half minute film made in 1971, with pics from the early moments of this country up to the 1969 moon landing; some TV stations still run this one today
- The 'American Revolution "SSB"', which showed paintings of scenes from the Revolutionary War, as well as portraits of the Founding Fathers
- At least two other films, almost identical and apparently produced by the Navy, starting off with a guitar rendition and ending with a full military band; the only differences being which uniformed member came home after traveling on a Greyhound bus (one looked like a sailor, the other like a superior officer)
- The 'Sierra Club "SSB"', c.1973, as seen mostly on Field Communications TV stations (and a few non-Field ones); lots of shots of mountains and streams
- The 'CBS "SSB"', so-named because apparently only CBS O&O's ran it prior to sign-off (if other stations aired it, I'm open to hearing about it); featured shots of various Washington, DC landmarks, opening with transition shots of the U.S. Capitol (at a faraway angle) from night to early morning, and ending with a shot of the Iwo Jima soldiers' statue at sunset
- A film from the Marine Corps, c.1959, with the flag being lowered as the anthem is playing; I say "c.1959" because the flag had the short-lived 49-star layout - and yes, it's in "living color"
- A film from the Army National Guard, with the "SSB" performed on piano and shots of helicopters
- The 'Mormons "SSB"', produced by the LDS, with various stills ranging from the Revolutionary War to more recent times (ending with a pic of the face of Lady Liberty), all set to a 1970's recording of the anthem by the Mormon Tabernacle Choir
- A more recent video, with shots of people with their hands to their hearts as well as shots of the flag; set to Sandi Patti's recording of the "SSB"

And that's not counting the various "homemade" anthem films/videos produced by some local TV stations (including a c.1976 film of a recreation of a Revolutionary War battle as aired for years by WVIT [Ch. 30] in Hartford, CT).

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Re: Remember TV Test Patterns?

Posted by tracksionmotor on Sat Oct 27 16:38:25 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sat Oct 27 03:29:43 2007.

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I so olde.....I remember a Hickok video generator that had an image of an 'American Indian.' How did they do it?

Here's a nice story: My mom and traveled deep into Pennsylvania to local farm markets/flea markets. On a table stood a Hickok 6000A 'Dynamic Mutual Conductance Tube Tester.' This unit could even test transistors! Off-lease units were selling for $400. I ask seller for price as he was yakking away to another person. $100. Yakked away and I stood there stupid. $50. $25. 'You can have it for $15.' This ham (WB2SGT) walked away with THE PRIZE! On the way back, the 1989 American Motors 4WD EAGLE met a deer on NJ Route 519. I stood on the brakes leaning over to restrain my mom to the BOOM. We were both OK....impact blew out radiator and cut HVAC hoses leaked Freon into carbourator creating a huge 'mustard Gas' cloud. I drove to NJSP barracks in Hope to be told my report was to go to Washington Township barracks. Instead, I drove home and stopped to hear a howl of air (vacuum) sucked in by empty radiator. Insurance company wanted to scrap the car claiming investigator found frame (unibody) was unrepairable. I contested claiming investigator never saw vehicle and it was perfectly drivable without any alignment....and won. Damages were $2400.

'The $2400 tube testor'

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Re: Remember TV Test Patterns?

Posted by SelkirkTMO on Sat Oct 27 17:15:08 2007, in response to Re: Remember TV Test Patterns?, posted by W.B. on Sat Oct 27 12:20:22 2007.

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"Engineering Change Release" ... means "stop doing what you were doing and do this now. :)

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Re: Remember TV Test Patterns?

Posted by SelkirkTMO on Sat Oct 27 17:18:08 2007, in response to Re: Remember TV Test Patterns?, posted by tracksionmotor on Sat Oct 27 16:38:25 2007.

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Yow ... as to the "Indian head pattern" that was done on a metal CRT face where they lithographed that on the inside of the metal plate feeding in. Video was taken off the 12kV current ... so in other words, a funky CRT became a TV camera that couldn't show any other scenery. :)

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Re: Remember TV Test Patterns?

Posted by aem7ac on Sat Oct 27 17:37:00 2007, in response to Remember TV Test Patterns?, posted by Mitch45 on Tue Oct 9 06:59:23 2007.

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Yeah, I remember those.

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Re: Remember TV Test Patterns?

Posted by BIE on Sat Oct 27 17:37:53 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sat Oct 27 17:18:08 2007.

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Photo Sharing and Video Hosting at Photobucket


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Re: Remember TV Test Patterns?

Posted by tracksionmotor on Sat Oct 27 17:40:24 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sat Oct 27 03:08:38 2007.

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As a matter of fact I still have a Durst projector....I did B/W

I looked at my wallet card....it expired...and spent last night on the FCC ULS searching for renewal. What I got is blank 'reference copy' indicating my PRIMARY license had been renewed and WB2SGT is good till the year 2016. Commercial license is lifetime.

Hundred bucks for a stupid key? WHO NEEDS A STRAIGHT KEY that looks like Theodore Vail used? A Signal Corps J-38 key goes for fourty bucks at a flea market! PINBALL FLIPPER CONTACTS work just as well.

One seventy for a standard Vibroplex? I wish I bought one of those gold plated NYC made suckers years ago. I somewhere have a few Johnson (the radio company) J-38s that fell out of packaging of radio transmitters sent to Saudi Arabia...they didn't need them....ain't no Arabic CW.....maybe I should donate to JAPON....they had used KANA during the war.

I so olde....remembering being pissed off with runs of paper on the floor because I found a HF circuit that was third shift Cyrillic RTTY. I scrapped all of my Kleinschmidt teleprinters but still hang on to my found prize of Dayton 1977.....MITE R/O teleprinter. The sound of a machined steel TELETYPE along with the odor of ink and oil can never be replaced by a soundcard.

Look up ENGCOM.com Nice site. INTERACTIVE slide rule. 'You know you're and old engineer when.........you attached a document to a steel drum with springs, dialed up for carrier and hit send.'

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Re: Remember TV Test Patterns?

Posted by BIE on Sat Oct 27 17:45:30 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sat Oct 27 03:08:38 2007.

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Vibroplex sent CW is legal.

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(258022)

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Re: Remember TV Test Patterns?

Posted by SelkirkTMO on Sat Oct 27 17:52:38 2007, in response to Re: Remember TV Test Patterns?, posted by BIE on Sat Oct 27 17:37:53 2007.

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That's the one ...

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Re: Remember TV Test Patterns?

Posted by SelkirkTMO on Sat Oct 27 17:58:10 2007, in response to Re: Remember TV Test Patterns?, posted by BIE on Sat Oct 27 17:45:30 2007.

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I was *kidding* ... apparently they didn't show enough Python on yer local PBS. :)

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Re: Remember TV Test Patterns?

Posted by SelkirkTMO on Sat Oct 27 18:00:40 2007, in response to Re: Remember TV Test Patterns?, posted by tracksionmotor on Sat Oct 27 17:40:24 2007.

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Still use my K&E when the lights go out. Heh. And yeah, I never did a "bug" ... old fashioned up and down brass for me ... went phone as soon as I passed that test, never pounded back. :(

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Re: Remember TV Test Patterns?

Posted by tracksionmotor on Sat Oct 27 19:42:25 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sat Oct 27 17:15:08 2007.

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When I got called out the other day in group to be chastised, it was a matter of 'saving face' as others walked pass a major electrical defect did nothing. I started the job and wrote up a work order request. Supervisor balks I should have left this for 'electricians.' I looked at him and said, "This trainset undergoes MNCR acceptance tomorrow and will fail." Got four hours OT (observed by a rat) to finish my work and he had to bring in electricians early morning to fix. Walked cars with MNCR inspection supervisor...zero defects (he came up with five items unrelated.)

Wait till I hit them with 'Engineering Change Release' the next time I'm asked for a favor. Technically I am superior to supervision with rank and higher salary but must defer to them right down to painting rivets.

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Re: Remember TV Test Patterns?

Posted by SelkirkTMO on Sat Oct 27 19:52:13 2007, in response to Re: Remember TV Test Patterns?, posted by tracksionmotor on Sat Oct 27 19:42:25 2007.

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In SMPTE land, an ECR means "NEVER do what you were doing again - this is the new world order." Heh. Yeah, know what it's like being in charge of things but never getting a straight answer and having to dance the indecisijig. Hey ... as long as the check clears and the musician's union don't pull the curtain, I dance. :)

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Re: Remember TV Test Patterns?

Posted by tracksionmotor on Sat Oct 27 20:42:41 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sat Oct 27 17:18:08 2007.

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YES. I remember. Kinescope and scanning photomultiplier all in one. The image was fixed internally unlike spot scanners or film chains. Kudo to BIE for the image. I don't make things up...just need some help.

In 1976 Dayton HamVention fleamarket, hottest item was the 'fishbowl' named afer its construction. What this electronic assembly did was to take a motion picture film cassette and turn it into video....short lived by limited selections. RCA would be next with 'Selectravision' using vynil discs with seven grooves in place of the one of a 33RPM record...short lived by electromechanical problems.

I once encountered the first video player on the internet. It used a 78RPM record to modulate a special neon lightbulb mechanically syncronised which displayed image on a small glass screen. Bulb was common to all early Nipkow disc sytems including Jenkins and Baird. I'd like to find a link to turn over to 'Early Television.' I did remember visiting a museum of 'Quicksilver Mining' (mercury) with a section devoted to CRTs in California four decades ago which I attributed to FARNSWORTH but was actually a tube collector whose collection is in San Jose.

BEST collection of vacuum tubes was assembled by a Catholic Brother and is in Bronx, New York. PETER ROSA might just remember and share. Collection has everything from DeForest to Numitrons. More to come. I'm not easily ridden of.

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Re: Remember TV Test Patterns?

Posted by W.B. on Sat Oct 27 21:18:40 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Fri Oct 26 20:32:56 2007.

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Someone mentioned on another site that WSBK-TV 38 in Boston, MA had the layout associated with this kind of pattern: call letters on top left, "Channel 38" on top right (presumably two lines), "Boston" on bottom left and "Massachusetts" on bottom right. Did they also use that particular color circular T.P.?

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Re: Remember TV Test Patterns?

Posted by SelkirkTMO on Sat Oct 27 21:22:12 2007, in response to Re: Remember TV Test Patterns?, posted by W.B. on Sat Oct 27 21:18:40 2007.

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They might HAVE come to think of it ... I believe you're right!

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Re: Remember TV Test Patterns?

Posted by SelkirkTMO on Sat Oct 27 21:23:35 2007, in response to Re: Remember TV Test Patterns?, posted by tracksionmotor on Sat Oct 27 20:42:41 2007.

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Heh. Yeah, remember all those toys ... and the RCA excuse for a 12 inch DVD too with the capacitive pickup tone arm thingy. =)

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Re: Remember TV Test Patterns?

Posted by TransitChuckG on Sat Oct 27 21:52:39 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sat Oct 27 19:52:13 2007.

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In mechanical engineering firms, we used ECR's like crazy. If a drawing went from Rev. - to Rev. A, the ECR described in detail what that change was to the part and why.
A lot of places issued ECR notices first, then an ECN would appear on the drawing (Engineering Change Notice).

Here's part of a drawing I did with a Rev. "A" triangle, we used these a lot.
Free Image Hosting at www.ImageShack.us

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Re: Remember TV Test Patterns?

Posted by SelkirkTMO on Sat Oct 27 22:25:41 2007, in response to Re: Remember TV Test Patterns?, posted by TransitChuckG on Sat Oct 27 21:52:39 2007.

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"Job ain't finished until the paperwork ..." :)

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Re: Remember TV Test Patterns?

Posted by TransitChuckG on Sat Oct 27 22:38:34 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sat Oct 27 22:25:41 2007.

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That was a 2-D Auto-Cad drawing I did many moons ago. My most recent stuff was 3-D Solid Modeling, much nicer. Mooo!

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Re: Remember TV Test Patterns?

Posted by SelkirkTMO on Sat Oct 27 22:53:11 2007, in response to Re: Remember TV Test Patterns?, posted by TransitChuckG on Sat Oct 27 22:38:34 2007.

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Ever play with a "Santa Claus machine?" Worked at a company that had one. Made 3D prototypes from line drawings with a laser and a tub of plastic with an elevator in it ... interesting little toy. :)

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Re: Remember TV Test Patterns?

Posted by tracksionmotor on Sun Oct 28 00:06:23 2007, in response to Re: Remember TV Test Patterns?, posted by TransitChuckG on Sat Oct 27 21:52:39 2007.

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I worked defense plant years ago. Far more familiar with FUBAR tags. The TMC R-110a short wave receivers handed to me for final check before packing could not survive a short trip on a service cart with foam absorbant on the sidewalk. I had a long wire antenna set from my transmitter bay to check by WWV and CHU. Got so bad that VP came down screaming, "Don't let that man touch them...just box and ship." Saudis bought everything and my overseas counterpont had his hands full. UN got pissed off, Collins 651S1 receivers cost too much and they switched to ITT MacKay Marine receivers

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Re: Remember TV Test Patterns?

Posted by BIE on Sun Oct 28 00:08:07 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sat Oct 27 22:53:11 2007.

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Stereolithography. COOL SHIT!!!

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Re: Remember TV Test Patterns?

Posted by SelkirkTMO on Sun Oct 28 00:13:53 2007, in response to Re: Remember TV Test Patterns?, posted by BIE on Sun Oct 28 00:08:07 2007.

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Yeah ... one of the production guys let me mock up a wireframe toy, spin it around on the screen and then PRINT it. WAY kewl! :)

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Re: Remember TV Test Patterns?

Posted by BIE on Sun Oct 28 00:22:47 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sun Oct 28 00:13:53 2007.

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Actually, 2 lasers are directed through the vat of plastic. Where the beams cross, therre's enough heat generated to initiate a curing process. The intersection is controlled by a ***V*E*R*Y*** precise XYZ computer positioning control.

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Re: Remember TV Test Patterns?

Posted by SelkirkTMO on Sun Oct 28 00:27:40 2007, in response to Re: Remember TV Test Patterns?, posted by BIE on Sun Oct 28 00:22:47 2007.

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The one I played with was even stranger. It was a vat of liquid plastic with a laser on the top (UV no less) ... platform spun in the barrel, laser was stationary and the "toy" was formed as the platform sunk what had been burned ... when it was done, platform came back up and there was your toy ...

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Re: Remember TV Test Patterns?

Posted by tracksionmotor on Sun Oct 28 00:39:38 2007, in response to Re: Remember TV Test Patterns?, posted by TransitChuckG on Sat Oct 27 22:38:34 2007.

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I hate CAD. Crew comes to me and asks because they require something like a 0.401 HSS drill bit that does not exist. I had sixteen married pairs that CAD had 'indigestion' leaving out a fastener point in stainless steel wire trays undercar. LIRR would let it go....MNCR is a stickler for consistancy. First job I followed modification notice by disassembly and translated decimal measurments into English. The holes from cover to electrical conduit did not line up.

Modification was for a fastening cleat between two points. Take a measurement, divide by two and drill through cover and channel...then bring in a welder to tack in a threaded cleat for 1/4-20 shoulder bolt. Cover will never be swapped with another car and highly ever opened. CAD drawing was based on manufacture assembly and not field mods.

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Re: Remember TV Test Patterns?

Posted by TransitChuckG on Sun Oct 28 00:43:09 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sat Oct 27 22:53:11 2007.

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Never did Santa Claus.

Only this stuff.

Free Image Hosting at www.ImageShack.us

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Re: Remember TV Test Patterns?

Posted by tracksionmotor on Sun Oct 28 00:44:26 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sun Oct 28 00:27:40 2007.

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Too bad its only plastic materiel

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Re: Remember TV Test Patterns?

Posted by TransitChuckG on Sun Oct 28 00:48:07 2007, in response to Re: Remember TV Test Patterns?, posted by tracksionmotor on Sun Oct 28 00:39:38 2007.

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3-D solid works made 3- view field drawings for you. Change the model, regenerate the drawing and it's changed for you.

Here's an assembly model.

Free Image Hosting at www.ImageShack.us

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Re: Remember TV Test Patterns?

Posted by TransitChuckG on Sun Oct 28 07:42:53 2007, in response to Re: Remember TV Test Patterns?, posted by TransitChuckG on Sun Oct 28 00:43:09 2007.

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Here's a rotation of the assembly model. It's more fun than a barrel of monkeys. Heh.

Free Image Hosting at www.ImageShack.us

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Re: Remember TV Test Patterns?

Posted by FYBklyn1959 on Sun Oct 28 13:46:15 2007, in response to Re: Remember TV Test Patterns?, posted by SUBWAYSURF on Fri Oct 26 16:29:13 2007.

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Umm, he'd be "neutered". Girls are spayed :)

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Re: Remember TV Test Patterns?

Posted by SelkirkTMO on Sun Oct 28 16:49:24 2007, in response to Re: Remember TV Test Patterns?, posted by TransitChuckG on Sun Oct 28 07:42:53 2007.

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Ah yes ... prime directive of engine-earring ... "rotate on it." :)

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Re: Remember TV Test Patterns?

Posted by SelkirkTMO on Sun Oct 28 16:50:28 2007, in response to Re: Remember TV Test Patterns?, posted by tracksionmotor on Sun Oct 28 00:44:26 2007.

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Yeh, doesn't work so well with molten metal ... ;0

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Re: Remember TV Test Patterns?

Posted by SelkirkTMO on Sun Oct 28 17:00:26 2007, in response to Re: Remember TV Test Patterns?, posted by FYBklyn1959 on Sun Oct 28 13:46:15 2007.

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Might have been right the first time. :)

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Re: Remember TV Test Patterns?

Posted by W.B. on Sun Oct 28 19:42:54 2007, in response to Re: Remember TV Test Patterns?, posted by W.B. on Fri Oct 26 15:34:02 2007.

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From further research, it would appear that the tints of this '60's circular color pattern were more like this:



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Re: Remember TV Test Patterns?

Posted by JohnL on Sun Oct 28 22:03:53 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sun Oct 28 16:50:28 2007.

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You can make a metal prototype from the plastic by using a variation of lost wax casting.

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Re: Remember TV Test Patterns?

Posted by SelkirkTMO on Sun Oct 28 22:24:59 2007, in response to Re: Remember TV Test Patterns?, posted by JohnL on Sun Oct 28 22:03:53 2007.

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Saturn made engine parts by that method. Yeah, I suppose if it wasn't a line-drawing hamster ball, perhaps we might have done something kewler with it. Still found it amusing though seeing what I'd poorly drawn came out EXACTLY as poorly as I'd done it. :)

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Re: Remember TV Test Patterns?

Posted by tracksionmotor on Mon Oct 29 20:55:28 2007, in response to Re: Remember TV Test Patterns?, posted by JohnL on Sun Oct 28 22:03:53 2007.

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Lost wax casting is not so 'antique.' By using a harder materiel, it can be cut by three dimensional CAD/CAM producing a sand cast good quite close to tolerance. Part of my work is making precision inspection of sand cast steel parts for M7A 'anti roll bar' examining play in thousands of inches for MNCR. I know anti-roll bar arms are cast in sand because of serializing change out numbers that are not level.

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Re: Remember TV Test Patterns?

Posted by tracksionmotor on Mon Oct 29 21:02:13 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sun Oct 28 22:24:59 2007.

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What you design comes out exactly produced. Sturm, Ruger and Company has been in the forefront of precision investment castings. Only the 'third world manufactory plants' can afford to make forgings to be machined to dimension.

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Re: Remember TV Test Patterns?

Posted by tracksionmotor on Mon Oct 29 21:04:06 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sun Oct 28 16:49:24 2007.

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Like sit on your hat.........and rotate.

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Re: Remember TV Test Patterns?

Posted by tracksionmotor on Mon Oct 29 21:13:26 2007, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sun Oct 28 00:27:40 2007.

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Was that a vending machine? During the 63/64 Worlds Fair, you put two quarters into a machine and it spit out a plastic 'Statue of Liberty.'

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Re: Remember TV Test Patterns?

Posted by TransitChuckG on Mon Oct 29 21:22:52 2007, in response to Re: Remember TV Test Patterns?, posted by TransitChuckG on Sun Oct 28 07:42:53 2007.

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You might be wondering how I posted those pictures on this forum. I took my Solid Works model/assemblies and saved them as .jpeg's.
I still have the full Solid Works program on my computer here at home.

It was loaded from a disc the company gave me and I was supposed to erase the program from my computer when I left them. I never did that and I don't intend to. The problem will be if I ever get a new computer, I'll lose the program because I won't be able to reload it. I don't have the disc and I can't get one.

LOL on me!

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Re: Remember TV Test Patterns?

Posted by W.B. on Wed Nov 7 13:56:12 2007, in response to Re: Remember TV Test Patterns?, posted by W.B. on Sun Oct 28 19:42:54 2007.

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In addition, by the early 1970's there was a modification to this pattern, with the grey pattern between the inner and outer circles (representing the height and width of the screen, respectively) changed from approx. 30% brightness to 50% brightness:



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Re: Remember TV Test Patterns?

Posted by error46146 on Wed Nov 7 15:42:58 2007, in response to Re: Remember TV Test Patterns?, posted by FYBklyn1959 on Sun Oct 28 13:46:15 2007.

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that somehow reminds me of Bob Barker

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Re: Remember TV Test Patterns?

Posted by W.B. on Tue Dec 4 21:12:34 2007, in response to Re: Remember TV Test Patterns?, posted by Fred G on Tue Oct 9 07:17:27 2007.

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There was a custom-made test pattern which was used by the NBC owned-and-operated stations from about the 1960's to c.1975 (including WNBC-TV in New York) which on the small circles on each corner were based on that Indian head T.P., but otherwise was radically reworked:



WNBC had the "snake" logo in use by NBC then on the top center left. On the Chicago O&O, WMAQ-TV, were the call letters and dial position of 5 on the top center left, and the city of license on the bottom center right.

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Re: Remember TV Test Patterns?

Posted by W.B. on Fri Jan 25 05:04:40 2008, in response to Re: Remember TV Test Patterns?, posted by SelkirkTMO on Sat Oct 27 21:22:12 2007.

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Actually, the WSBK pattern - at least, in the '80's - was comprised of this style as seen below:



This was also used by another Boston station, WNEV-TV (formerly WNAC-TV and now WHDH-TV) in Boston; two New York stations, WABC-TV and WPIX; and five more confirmed stations across the country.

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