Category:Tektronix - Revision history

Woozle at 15:36, 26 December 2019

2019-12-26T15:36:27Z

← Older revision		Revision as of 15:36, 26 December 2019
Line 7:		Line 7:
	==Footnotes==		==Footnotes==
	<references>		<references>
	<ref name=note1>Based on what's in Wikipedia, I'm pretty sure it was a [[wikipedia:Tektronix 4050\|model 4051]]. It had an integrated QIC tape drive, and the screen was a bit smaller than the ones used on the original version of ''Battlestar Galactica''.</ref>		<ref name=note1>Based on what's in Wikipedia, I'm pretty sure it was a [[wikipedia:Tektronix 4050\|model 4051]] (see also [https://terminals-wiki.org/wiki/index.php/Tektronix_4051 Terminals wiki]). It had an integrated QIC tape drive, and the screen was a bit smaller than the ones used on the original version of ''Battlestar Galactica''.</ref>
	<ref name=note2>Feel free to ask me to explain what I mean by this.</ref>		<ref name=note2>Feel free to ask me to explain what I mean by this.</ref>
	<ref name=note3>: I had tried to write in {{l/wp\|FOCAL-69}} in 1972, second grade, but I misunderstood the line-numbering system and my programs all executed out of order... and it's difficult to create any output worth looking at when your output device is a teletype. (A {{l/wp\|VT52}} was later added, for those occasions when you don't actually need a complete printed record of your entire debugging session.)</ref>		<ref name=note3>: I had tried to write in {{l/wp\|FOCAL-69}} in 1972, second grade, but I misunderstood the line-numbering system and my programs all executed out of order... and it's difficult to create any output worth looking at when your output device is a teletype. (A {{l/wp\|VT52}} was later added, for those occasions when you don't actually need a complete printed record of your entire debugging session.)</ref>
	</references>		</references>

Woozle: date clarification

2019-12-06T19:35:16Z

date clarification

← Older revision		Revision as of 19:35, 6 December 2019
Line 1:		Line 1:
	These were plotted using a Tektronix graphics computer<ref name=note1 /> sometime ~~between~~ 1975 ~~and 1978~~ or so.		[[Category:Computers]]
			These were plotted using a Tektronix graphics computer<ref name=note1 /> starting sometime after 1975 or so<ref>One of the plots is dated 1983; not sure if this is accurate.</ref>.

	All of the designs are based on wide-interval samplings<ref name=note2 /> of sine waves plotted in various different ways. This was a technique I discovered more or less by accident when I mistakenly had the trig functions set to "RAD" (radians) with a plotting program that was designed to work in degrees.		All of the designs are based on wide-interval samplings<ref name=note2 /> of sine waves plotted in various different ways. This was a technique I discovered more or less by accident when I mistakenly had the trig functions set to "RAD" (radians) with a plotting program that was designed to work in degrees.
Line 10:		Line 11:
	<ref name=note3>: I had tried to write in {{l/wp\|FOCAL-69}} in 1972, second grade, but I misunderstood the line-numbering system and my programs all executed out of order... and it's difficult to create any output worth looking at when your output device is a teletype. (A {{l/wp\|VT52}} was later added, for those occasions when you don't actually need a complete printed record of your entire debugging session.)</ref>		<ref name=note3>: I had tried to write in {{l/wp\|FOCAL-69}} in 1972, second grade, but I misunderstood the line-numbering system and my programs all executed out of order... and it's difficult to create any output worth looking at when your output device is a teletype. (A {{l/wp\|VT52}} was later added, for those occasions when you don't actually need a complete printed record of your entire debugging session.)</ref>
	</references>		</references>

	~~[[Category:Computers\|Tektronix]]~~

Woozle: Yeah, that's the model. Also mention Battlestar Galactica.

2017-04-08T20:55:10Z

Yeah, that's the model. Also mention Battlestar Galactica.

← Older revision		Revision as of 20:55, 8 April 2017
Line 6:		Line 6:
	==Footnotes==		==Footnotes==
	<references>		<references>
	<ref name=note1>I ~~think the model number was something like 3017, though Wikipedia indicates that~~ it was ~~the~~ [[wikipedia:Tektronix ~~4010~~\|~~401x series~~]] ~~which was active at that time -- so maybe it was 4017, 4016, 4015? I don't know if there are any photos... (Update: 4015 is starting to ring a bell, so I think that's what it probably was~~.) It had an integrated QIC tape drive, and the screen was a bit smaller than the ones used on the original version of ''Battlestar Galactica''.</ref>		<ref name=note1>Based on what's in Wikipedia, I'm pretty sure it was a [[wikipedia:Tektronix 4050\|model 4051]]. It had an integrated QIC tape drive, and the screen was a bit smaller than the ones used on the original version of ''Battlestar Galactica''.</ref>
	<ref name=note2>Feel free to ask me to explain what I mean by this.</ref>		<ref name=note2>Feel free to ask me to explain what I mean by this.</ref>
	<ref name=note3>: I had tried to write in {{l/wp\|FOCAL-69}} in 1972, second grade, but I misunderstood the line-numbering system and my programs all executed out of order... and it's difficult to create any output worth looking at when your output device is a teletype. (A {{l/wp\|VT52}} was later added, for those occasions when you don't actually need a complete printed record of your entire debugging session.)</ref>		<ref name=note3>: I had tried to write in {{l/wp\|FOCAL-69}} in 1972, second grade, but I misunderstood the line-numbering system and my programs all executed out of order... and it's difficult to create any output worth looking at when your output device is a teletype. (A {{l/wp\|VT52}} was later added, for those occasions when you don't actually need a complete printed record of your entire debugging session.)</ref>
	</references>		</references>

			[[Category:Computers\|Tektronix]]

Woozle at 20:46, 8 April 2017

2017-04-08T20:46:11Z

← Older revision		Revision as of 20:46, 8 April 2017
Line 6:		Line 6:
	==Footnotes==		==Footnotes==
	<references>		<references>
	<ref name=note1>I think the model number was something like 3017, though Wikipedia indicates that it was the [[wikipedia:Tektronix 4010\|401x series]] which was active at that time -- so maybe it was 4017, 4016, 4015? I don't know if there are any photos... (Update: 4015 is starting to ring a bell, so I think that's what it probably was.)</ref>		<ref name=note1>I think the model number was something like 3017, though Wikipedia indicates that it was the [[wikipedia:Tektronix 4010\|401x series]] which was active at that time -- so maybe it was 4017, 4016, 4015? I don't know if there are any photos... (Update: 4015 is starting to ring a bell, so I think that's what it probably was.) It had an integrated QIC tape drive, and the screen was a bit smaller than the ones used on the original version of ''Battlestar Galactica''.</ref>
	<ref name=note2>Feel free to ask me to explain what I mean by this.</ref>		<ref name=note2>Feel free to ask me to explain what I mean by this.</ref>
	<ref name=note3>: I had tried to write in {{l/wp\|FOCAL-69}} in 1972, second grade, but I misunderstood the line-numbering system and my programs all executed out of order... and it's difficult to create any output worth looking at when your output device is a teletype. (A {{l/wp\|VT52}} was later added, for those occasions when you don't actually need a complete printed record of your entire debugging session.)</ref>		<ref name=note3>: I had tried to write in {{l/wp\|FOCAL-69}} in 1972, second grade, but I misunderstood the line-numbering system and my programs all executed out of order... and it's difficult to create any output worth looking at when your output device is a teletype. (A {{l/wp\|VT52}} was later added, for those occasions when you don't actually need a complete printed record of your entire debugging session.)</ref>
	</references>		</references>

	~~[[Category:Computers\|Tektronix]]~~

Woozle at 14:03, 31 March 2017

2017-03-31T14:03:26Z

← Older revision		Revision as of 14:03, 31 March 2017
Line 3:		Line 3:
	All of the designs are based on wide-interval samplings<ref name=note2 /> of sine waves plotted in various different ways. This was a technique I discovered more or less by accident when I mistakenly had the trig functions set to "RAD" (radians) with a plotting program that was designed to work in degrees.		All of the designs are based on wide-interval samplings<ref name=note2 /> of sine waves plotted in various different ways. This was a technique I discovered more or less by accident when I mistakenly had the trig functions set to "RAD" (radians) with a plotting program that was designed to work in degrees.

	I wrote the plotting program in BASIC, because that's what was available (I think that was probably the first programming language I actually used successfully<ref name=note3 />. I wrote the program in the first place because I wanted to see what shapes you get when plotting various ~~complex~~ sine functions using polar coordinates. (Sine waves are fun. Polar coordinates are also fun.)		I wrote the plotting program in BASIC, because that's what was available (I think that was probably the first programming language I actually used successfully<ref name=note3 />.) I wrote the program in the first place because I wanted to see what shapes you get when plotting various sine functions using polar coordinates. (Sine waves are fun. Polar coordinates are also fun.)
	==Footnotes==		==Footnotes==
	<references>		<references>

Woozle: rearranged

2017-03-31T14:02:02Z

rearranged

← Older revision		Revision as of 14:02, 31 March 2017
Line 3:		Line 3:
	All of the designs are based on wide-interval samplings<ref name=note2 /> of sine waves plotted in various different ways. This was a technique I discovered more or less by accident when I mistakenly had the trig functions set to "RAD" (radians) with a plotting program that was designed to work in degrees.		All of the designs are based on wide-interval samplings<ref name=note2 /> of sine waves plotted in various different ways. This was a technique I discovered more or less by accident when I mistakenly had the trig functions set to "RAD" (radians) with a plotting program that was designed to work in degrees.

	I wrote the plotting program in BASIC, because that's what was available (I think that was probably the first programming language I actually used successfully: I had tried to write in {{l/wp\|FOCAL-69}} in 1972, second grade, but I misunderstood the line-numbering system and my programs all executed out of order. (Also, it's difficult to create any output worth looking at when your output device is a teletype<ref name=note3 />.) I wanted to see what shapes you ~~got~~ when plotting various complex sine functions in polar coordinates.		I wrote the plotting program in BASIC, because that's what was available (I think that was probably the first programming language I actually used successfully<ref name=note3 />. I wrote the program in the first place because I wanted to see what shapes you get when plotting various complex sine functions using polar coordinates. (Sine waves are fun. Polar coordinates are also fun.)
	==Footnotes==		==Footnotes==
	<references>		<references>
	<ref name=note1>I think the model number was something like 3017, though Wikipedia indicates that it was the [[wikipedia:Tektronix 4010\|401x series]] which was active at that time -- so maybe it was 4017, 4016, 4015? I don't know if there are any photos... (Update: 4015 is starting to ring a bell, so I think that's what it probably was.)</ref>		<ref name=note1>I think the model number was something like 3017, though Wikipedia indicates that it was the [[wikipedia:Tektronix 4010\|401x series]] which was active at that time -- so maybe it was 4017, 4016, 4015? I don't know if there are any photos... (Update: 4015 is starting to ring a bell, so I think that's what it probably was.)</ref>
	<ref name=note2>Feel free to ask me to explain what I mean by this.</ref>		<ref name=note2>Feel free to ask me to explain what I mean by this.</ref>
	<ref name=note3>A {{l/wp\|VT52}} was later added, for those occasions when you ~~didn~~'t actually need a complete printed record of your entire debugging session.</ref>		<ref name=note3>: I had tried to write in {{l/wp\|FOCAL-69}} in 1972, second grade, but I misunderstood the line-numbering system and my programs all executed out of order... and it's difficult to create any output worth looking at when your output device is a teletype. (A {{l/wp\|VT52}} was later added, for those occasions when you don't actually need a complete printed record of your entire debugging session.)</ref>
	</references>		</references>

	[[Category:Computers\|Tektronix]]		[[Category:Computers\|Tektronix]]

Woozle at 00:58, 31 March 2017

2017-03-31T00:58:27Z

← Older revision		Revision as of 00:58, 31 March 2017
Line 2:		Line 2:

	All of the designs are based on wide-interval samplings<ref name=note2 /> of sine waves plotted in various different ways. This was a technique I discovered more or less by accident when I mistakenly had the trig functions set to "RAD" (radians) with a plotting program that was designed to work in degrees.		All of the designs are based on wide-interval samplings<ref name=note2 /> of sine waves plotted in various different ways. This was a technique I discovered more or less by accident when I mistakenly had the trig functions set to "RAD" (radians) with a plotting program that was designed to work in degrees.

			I wrote the plotting program in BASIC, because that's what was available (I think that was probably the first programming language I actually used successfully: I had tried to write in {{l/wp\|FOCAL-69}} in 1972, second grade, but I misunderstood the line-numbering system and my programs all executed out of order. (Also, it's difficult to create any output worth looking at when your output device is a teletype<ref name=note3 />.) I wanted to see what shapes you got when plotting various complex sine functions in polar coordinates.
	==Footnotes==		==Footnotes==
	<references>		<references>
	<ref name=note1>I think the model number was something like 3017, though Wikipedia indicates that it was the [[wikipedia:Tektronix 4010\|401x series]] which was active at that time -- so maybe it was 4017, 4016, 4015? I don't know if there are any photos... (Update: 4015 is starting to ring a bell, so I think that's what it probably was.)</ref>		<ref name=note1>I think the model number was something like 3017, though Wikipedia indicates that it was the [[wikipedia:Tektronix 4010\|401x series]] which was active at that time -- so maybe it was 4017, 4016, 4015? I don't know if there are any photos... (Update: 4015 is starting to ring a bell, so I think that's what it probably was.)</ref>
	<ref name=note2>Feel free to ask me to explain what I mean by this.</ref>		<ref name=note2>Feel free to ask me to explain what I mean by this.</ref>
			<ref name=note3>A {{l/wp\|VT52}} was later added, for those occasions when you didn't actually need a complete printed record of your entire debugging session.</ref>
	</references>		</references>

	[[Category:Computers\|Tektronix]]		[[Category:Computers\|Tektronix]]

Woozle at 00:52, 31 March 2017

2017-03-31T00:52:13Z

← Older revision		Revision as of 00:52, 31 March 2017
Line 4:		Line 4:
	==Footnotes==		==Footnotes==
	<references>		<references>
	<ref name=note1>I think the model number was something like 3017, though Wikipedia indicates that it was the [[wikipedia:Tektronix 4010\|401x series]] which was active at that time -- so maybe it was 4017, 4016, 4015? I don't know if there are any photos...</ref>		<ref name=note1>I think the model number was something like 3017, though Wikipedia indicates that it was the [[wikipedia:Tektronix 4010\|401x series]] which was active at that time -- so maybe it was 4017, 4016, 4015? I don't know if there are any photos... (Update: 4015 is starting to ring a bell, so I think that's what it probably was.)</ref>
	<ref name=note2>Feel free to ask me to explain what I mean by this.</ref>		<ref name=note2>Feel free to ask me to explain what I mean by this.</ref>
	</references>		</references>

	[[Category:Computers\|Tektronix]]		[[Category:Computers\|Tektronix]]

Woozle at 00:36, 31 March 2017

2017-03-31T00:36:51Z

← Older revision		Revision as of 00:36, 31 March 2017
Line 8:		Line 8:
	</references>		</references>

	[[Category:~~Hardware~~\|Tektronix]]		[[Category:Computers\|Tektronix]]

Woozle: more info

2017-03-31T00:24:08Z

more info

← Older revision		Revision as of 00:24, 31 March 2017
Line 1:		Line 1:
	These were plotted using a Tektronix graphics computer sometime between 1975 and 1978 or so.		These were plotted using a Tektronix graphics computer<ref name=note1 /> sometime between 1975 and 1978 or so.

	I think the model number was something like 3017, though Wikipedia indicates that it was the [[wikipedia:Tektronix 4010\|401x series]] which was active at that time -- so maybe it was 4017, 4016, 4015? I don't know if there are any photos...		All of the designs are based on wide-interval samplings<ref name=note2 /> of sine waves plotted in various different ways. This was a technique I discovered more or less by accident when I mistakenly had the trig functions set to "RAD" (radians) with a plotting program that was designed to work in degrees.
			==Footnotes==
			<references>
			<ref name=note1>I think the model number was something like 3017, though Wikipedia indicates that it was the [[wikipedia:Tektronix 4010\|401x series]] which was active at that time -- so maybe it was 4017, 4016, 4015? I don't know if there are any photos...</ref>
			<ref name=note2>Feel free to ask me to explain what I mean by this.</ref>
			</references>

	[[Category:Hardware\|Tektronix]]		[[Category:Hardware\|Tektronix]]