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25 May 2025

diffhist Characteristic impedance 04:58 −291 Roffaduft talk contribs (Undid revision 1292075066 by 12.75.225.9 (talk) Unnecessary spacing) Tag: Undo
diffhist Characteristic impedance 03:53 −12 Roffaduft talk contribs (Undid revision 1292072477 by 12.75.225.9 (talk) Unnecessary) Tag: Undo
diffhist Characteristic impedance 02:22 +291 12.75.225.9 talk (math typesetting) Tag: Reverted
diffhist Characteristic impedance 01:59 +12 12.75.225.9 talk (inserted discoverer's name (Oliver Heaviside)) Tag: Reverted

24 May 2025

diffhist National Institute of Standards and Technology 19:10 +637 Archvice talk contribs (→Projects)
diffhist Electrical resistivity and conductivity 17:20 +1,392 Sbb talk contribs (rmv 2018 relative price column (unsourced; only present for 3 cells; highly susceptible to market conditions, out of date easily); rmv pre-calc derived values, using {{#expr:}} for relative values; reorder columns for ease of understanding. Minor rewording to eliminate confusing hyphenations, excess parentheses (by SublimeText.Mediawiker))

23 May 2025

diffhist Decibel 22:45 +2 Dondervogel 2 talk contribs (simplify; request clarification)
diffhist Decibel 20:26 +13 Em3rgent0rdr talk contribs (Writing ratio and plural for quantities here because a ratio is dealing with two (plural) quantities.) Tag: Visual edit
diffhist Decibel 19:38 −137 Em3rgent0rdr talk contribs (→Reporting large ratios: shorten on Bode...don't need to really mention log-log or semi-log...and it is easier to get the point across in a caption with a pic.) Tag: Visual edit
diffhist Decibel 18:52 −4 Em3rgent0rdr talk contribs (The dB here is expressing root-power "ratios", not "quantities".) Tag: Visual edit
diffhist Decibel 18:47 −99 Em3rgent0rdr talk contribs (→Examples: Shouldn't say "The unit dBW is often used to denote a ratio" because dBW is treated as an absolute unit, as described later and before in this article. Deleting from here also cause up to this point in the article we are focused on the original dB...instead I'm mentioning the dBW later in "Electronics" when talk about dBm.) Tag: Visual edit
diffhist Decibel 08:23 −192 Dondervogel 2 talk contribs (The dimensionless ratio is the argument of the logarithm, which does indeed need to be dimensionless. It does not follow that the decibel is dimensionless. More careful reasoning is needed (or an RS))
diffhist Finite element method 05:40 −1,193 David Eppstein talk contribs (→Application: source is dead, looked dubious, and paragraph sourced to it is long on hype and short on specific applications)
Deletion log 04:46 Asilvering talk contribs changed visibility of a revision on page Printed circuit board: content hidden (RD1: Violations of copyright policy: https://www.ipcb.com/news/1876.html)
diffhist Decibel 03:59 +283 Em3rgent0rdr talk contribs (→Reporting large ratios: Since there was a "citation needed" for this example, I'm instead using an example from the previously-cited decilog article of "50 dB" being easier to say than "a power ratio of 10,000 : 1". And the "See Bode plot and Semi-log plot" lacked any explanation of the point, so added description of how Bode plot can be labeled with simple notches every 10 dB instead of labeling with powers of 10 in semi-log.) Tag: Visual edit
diffhist Decibel 03:16 +12 Em3rgent0rdr talk contribs ("base unit" maybe should be here.) Tag: Visual edit
diffhist Printed circuit board 02:59 −5,993 MrOllie talk contribs (Restored revision 1291163354 by Voidxor (talk)) Tags: Twinkle Undo
diffhist Decibel 02:53 +257 Em3rgent0rdr talk contribs (→History: Tried to address the "clarification needed" so read the 1954 J. W. Horton and tried to more fully express their point (what was previous written was just quotes out of that article's abstract) and add examples of usage ("mass logit") and introduce this paragraph to work for both logit and decilog.) Tag: Visual edit
diffhist Printed circuit board 02:22 +5,993 23.172.200.70 talk (Added pcb standard copper thickness, copper thickness influencing factors and copper thickness design rules) Tags: Reverted Visual edit
diffhist Decibel 01:00 −9 Em3rgent0rdr talk contribs (Reword what I wrote about originally being used for power ratios to not say "decibel" here cause in original usage it was not called "decibel" but was called TU.) Tag: Visual edit
diffhist Decibel 00:38 +292 Em3rgent0rdr talk contribs (Someone recently put "citation needed" for "decibels are necessarily a dimensionless unit". To address this, I'm spelling out a quick proof why: "Ratios are dimensionless since their units cancel out, so the decibel (as a logarithm of a ratio) is necessarily also a dimensionless unit" and deleting the "citation needed" cause this necessarily follows. Next paragraph try to make a better distinction between "strict original usage above" versus "the word decibel has since also been used for".) Tag: Visual edit

22 May 2025

diffhist Decibel 22:21 +610 Em3rgent0rdr talk contribs (→History: add decilog since talking about logit.) Tag: Visual edit
diffhist m Decibel 22:05 +6 Dondervogel 2 talk contribs (request citation for "necessarily dimensionless")
diffhist Decibel 17:26 +95 The Anome talk contribs (As they represent the logarithm of a ratio, decibels are necessarily a dimensionless unit.) Tag: 2017 wikitext editor
diffhist PCI Express 16:08 +1 Phoenix-rising99 talk contribs (Corrected misspelled word.) Tag: Visual edit
diffhist Template:Physical constants/data 00:48 +668 Quondum talk contribs (+muB_eV/T)

21 May 2025

diffhist Stripline 23:58 +1 128.115.190.41 talk (→Zo estimation using upper and lower capacitance: Fixed typo)

20 May 2025

diffhist Fortran 08:30 +25 Vt320 talk contribs (Add VMS Fortran as a major implementation since many of its features were copied by other compilers)
diffhist Fortran 08:28 +135 Vt320 talk contribs (Propose merge of OO Fortran into this article)
diffhist Fortran 08:02 +41 Vt320 talk contribs (→Obsolete variants: copy changes from OO fortran article)

19 May 2025

diffhist m Printed circuit board 13:40 −215 Voidxor talk contribs (→Legislation: Do not use the publisher parameter for the name of a work (e.g. a website). Fix duplication of citation; these should be in citation templates anyway and it looks like RDBrown started this in 2022 but forgot to remove the previous bare text.)