Talk:Morse code/Archive 5
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Irrelevant 'see also' Link
In the section Alternative display of common characters in International Morse code, there is a see also link to the page on Huffman Coding.
Since the dichotomic table representation of Morse code presented in this section is not actually a Huffman coding, because it does not satisfy the property of being a prefix code, I think this link is irrelevant and should be removed. — Preceding unsigned comment added by Daniel Hader (talk • contribs) 04:33, 4 September 2018 (UTC)
SOS image
Shouldn't there be extra space between each letter? --87.242.189.106 (talk) 08:26, 19 October 2018 (UTC)
- No, the image is correct. See the SOS article for an explanation.—agr (talk) 10:01, 19 October 2018 (UTC)
lalo schifrin
wandered down a yt rabbit-hole just now- a lot of what yt suggests to me are music-instructional clips, because I subscribed to a couple of them. today I watched one on time signatures, with examples of some non-4/4 riffs, one of which was the 'mission impossible' theme.
"-- .." with the little gap there the same duration as the dot, is a reasonable representation of the rhythm of schifrin's riff.
it's also MI in morse code.
duncanrmi (talk) 13:15, 11 November 2018 (UTC)
Reception
Whilst the subject of transmitting Morse has been summarised, there is no section on how to receive radio Morse signals. On a related topic, the ability of CW Morse transmissions to punch through noise should be addressed.OrewaTel (talk) 06:54, 10 July 2019 (UTC)
code samples
I have written code for Arduino that converts text to Morse, which might make a good example: https://github.com/MarginallyClever/ArduinoStarterKit/tree/master/arduinoMorse/arduinoMorse.ino
I have also code that uses a microphone to listen for beeps and converts them back to text: https://github.com/MarginallyClever/ArduinoStarterKit/blob/master/arduinoListenToMorse/decodeToEnglish/decodeToEnglish.ino
If you feel this is useful here, please add it to the article. Aggrav8d (talk) 17:32, 9 August 2019 (UTC)
It would be useful to create a subset of devices on the market to send and receive Morse code from or to to English. Both stand alone devices and those attached to radio/computer. Elaboration on specifics of the devices is less useful. Could that be limited to bulleted documentation. — Preceding unsigned comment added by 2603:9000:1F0E:EC00:789C:B78:9C9D:6520 (talk) 09:36, 24 September 2019 (UTC)
Please mention alternative morse code for characters not defined by ITU
For the non-standardised characters such as "!" (exclamation mark) may I suggest to mention all used morse codes. For example lcwo.net - a site oriented towards practical use of morse code in ham radio - suggests for exclamation mark ..--. — Preceding unsigned comment added by 91.17.38.139 (talk) 09:49, 22 December 2019 (UTC)
I propose an "In Culture" section
Containing references in literature, music, etc. where Morse code is used or referenced.
One entry could include a link to https://wiki.riteme.site/wiki/YYZ_(instrumental) and how the composition's complex rhythm was derived from the Morse code string for an airport code.
One entry might reference the associations made between Beethoven's 9th symphony and the Morse code letter "V" and point out that these are likely coincidental given the timeline of the code's development.
Will write if nobody opposed. SugarKeys (talk) 23:51, 17 January 2020 (UTC)SugarKeys
- The use of Beethoven's 9th is already covered in the article. I'm not totally against culture sections but they are often problematic. They tend to degenerate into a crufty list of unconnected, and largely unimportant, snippets. In my opinion, the rule for inclusion in a culture section should be a good quality source discussing the use of morse in the work. The source needs to be independent of the creator and have some encyclopaedic coverage, not just a mention. Referencing the work itself, or the creator talking about it in an interview, is not enough. Ideally, sources that have a broad coverage of the cultural significance of morse are needed. This allows writing something that can put the whole picture in context. Not just a list of snippets. SpinningSpark 17:23, 18 January 2020 (UTC)
PARIS
The article states "the word PARIS is used to determine Morse Code's properties because it has an even number of dots and dashes". In fact, PARIS is .--. .- .-. .. ..., so 4 dashes and 10 dots. I'm not sure what the sentence is supposed to mean, actually. — Preceding unsigned comment added by 71.176.70.177 (talk) 03:16, 21 March 2020 (UTC)
- I don't understand the significance of that either, but in point of fact, the numbers 4 and 10 are both even numbers so it is a true statement on evenness. The article does not say it has an equal number of dots and dashes. SpinningSpark 11:09, 21 March 2020 (UTC)
- In fact, the whole idea that this has something to do with link budget or that Morse is somehow different in this respect is highly dubious. Link budget is all about transmission power, path losses, and receiver gain. It has nothing to do with data speed or coding. SpinningSpark 11:25, 21 March 2020 (UTC)
- I've now looked into the page history to see who inserted this, and to my surprise, discovered that I had added a citation needed tag in 2011. This was removed (by the same editor) two years later without providing a source. I think nearly a decade is long enough to wait and I'm going to ditch the whole section. Some of the material was lifted from an earlier section which I will restore. SpinningSpark 12:02, 21 March 2020 (UTC)
Morse code on Wikimedia Commons
I just wanted to post a link to commons:Category talk:Morse code a discussion thread I posted at Wikimedia commons about filling in missing Morse code sound files. Please join the conversation if you have anything to add. Thanks, VanIsaacWScont 15:07, 21 April 2020 (UTC)
··–··——· — Preceding unsigned comment added by 103.42.216.36 (talk) 11:16, 15 May 2020 (UTC)
Page Locked???
It's very good that this page is locked, as Morse Code has the be the most controversial subject in all of Wiki!
200.68.142.26 (talk) 02:47, 28 July 2020 (UTC) baden k.
@200.68.142.26: It's only locked for those without an brand-new account to prevent vandalism, since it's a popular article. You can see the details on the article's page information. To be Autoconfirmed you need to have an account for 4 days, and atleast 10 edits. If you don't plan on making an account, you can always request here for someone else to help make the edit for you. Did you see something specific that needed fixing? Strangerpete (talk) 09:15, 28 July 2020 (UTC)
@
The sign @ is correctly given as AC. The .--.-. is, however, not correct. - But the article is not editable! — Preceding unsigned comment added by 85.229.49.179 (talk • contribs) 08:15, 1 August 2020 (UTC)
- That looks right to me. What do you think it should be? SpinningSpark 11:31, 2 August 2020 (UTC)
Semi-protected edit request on 23 September 2020
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Based upon a 50 dot duration standard word such as PARIS, the time for one dot duration or one unit can be computed by the formula:
change :T = 1,200/W to T = 1.2/W original formula gives 60 seconds for 20 words per minute. How can you have 20 words in a minute if a dot takes the whole minute? Stumbleweeds (talk) 23:04, 23 September 2020 (UTC)
- The article says "Where: T is the unit time, or dot duration in milliseconds...", not seconds. (Bold added.) Your formula would be correct for T in seconds. Thanks for checking though.--agr (talk) 23:31, 23 September 2020 (UTC)
Semi-protected edit request on 25 September 2020
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Please adjust the first paragraph to say that Morse was an inventor of a later telegraph system, while Cooke and Wheatstone were the original inventors of the telegraph.
The current wording is very misleading. 94.174.65.185 (talk) 10:36, 25 September 2020 (UTC)
Not done for now: please establish a consensus for this alteration before using the {{edit semi-protected}}template. ~ Amkgp 💬 15:21, 25 September 2020 (UTC)
- While it is very true that Morse did not invent the telegraph, neither did Cooke and Wheatstone. Schilling has priority on both of them, and so does the Gauss and Weber telegraph. And if we include experiments, Ronalds had one up and running as early as 1816. Even earlier, Chappe had a go (but failed) in the 1790s. In any case, I'm not seeing where the article makes the claim that this is a Morse invention so I don't see what the problem is. SpinningSpark 18:30, 25 September 2020 (UTC)
Succeeded by Baudot code - Should add text to Morse code?
I do not know how to put it, let you put it for me. CFBancroft (talk) 04:12, 29 September 2020 (UTC)
The "Development and history" section mentions:
- code adopted by the Deutsch-Österreichischer Telegraphenverein in 1851
- Steinheil's code
- original code by Morse in 1838
Shouldn't they also be presented in the table?
Excerpt form http://kanji.zinbun.kyoto-u.ac.jp/~yasuoka/publications/Morse.html
| Morse 1838 |
Vail 1844? |
Gerke 1848 |
Steinheil 1849 |
DÖTV 1851 |
UTI 1868 | |
|---|---|---|---|---|---|---|
| a | ··· | ·- | ·- | -·- | ·- | ·- |
| ä | ·-·- | ·-·- | ·-·- | |||
| á,å | ·--·- | |||||
| b | ·· ·· | -··· | -··· | -··- | -··· | -··· |
| c | · ·· | ·· · | -·-· | --· | -·-· | -·-· |
| ch | -·-·· | ···· | ---- | ---- | ||
| d | ··· · | -·· | -·· | -· | -·· | -·· |
| e | · | · | · | - | · | · |
| é | ··-·· | |||||
| f | · ··· | ·-· | ··-· | -·· | ··-· | ··-· |
| g | ·· · | --· | --· | ··- | --· | --· |
| h | ···· | ···· | ···· | ·- | ···· | ···· |
| i | ·- | ·· | · | ·· | ·· | |
| j | ·· · | -·-· | ·· | ·--- | ·--- | |
| k | -·- | -·- | -·- | --· | -·- | -·- |
| l | ─ | ─ | ·-·· | ·-- | ·-·· | ·-·· |
| m | -·· | -- | -- | ··· | -- | -- |
| n | -· | -· | -· | ·· | -· | -· |
| ñ | --·-- | |||||
| o | ·· | · · | ·-··· | --- | --- | --- |
| ö | ·-···· | ---· | ---· | |||
| p | ····· | ····· | ····· | ·--· | ·--· | ·--· |
| q | ··-· | ··-· | --·- | --· | --·- | --·- |
| r | · · | · ·· | ·-· | -- | ·-· | ·-· |
| s | ·-· | ··· | ··· | --·· | ··· | ··· |
| sch | ---- | |||||
| t | --· | - | - | -· | - | - |
| u | ·-- | ··- | ··- | ·-· | ··- | ··- |
| ü | ··-- | ··-- | ··-- | |||
| v | - | ···- | ···- | -·· | ···- | ···- |
| w | ··- | ·-- | ·-- | ·-·- | ·-- | ·-- |
| x | -- | ·-·· | ··-··· | -··- | -··- | |
| y | ·- | ·· ·· | --··· | -·-- | -·-- | |
| z | ·-· | ··· · | ·--·· | ··-- | --·· | --·· |
| 1 | · | ·--· | ·--· | ·--- | ·---- | ·---- |
| 2 | ·· | ··-·· | ··-·· | -·-- | ··--- | ··--- |
| 3 | ··· | ···-· | ···-· | --·- | ···-- | ···-- |
| 4 | ···· | ····- | ····- | ---· | ····- | ····- |
| 5 | ····· | --- | --- | -·· | ····· | ····· |
| 6 | ······ | ······ | ······ | -··· | -···· | -···· |
| 7 | ······· | --·· | --·· | ·-·· | --··· | --··· |
| 8 | ········ | -···· | -···· | ··-· | ---·· | ---·· |
| 9 | ········· | -··- | -··- | ···- | ----· | ----· |
| 0 | -- | ── | ── | --- | ----- | ----- |
Viking Rollo (talk) 12:33, 21 October 2020 (UTC)
- The Steinheil code is completely independent of Morse as far as I know. It is not part of the history of Morse code so does not really belong in that chart. Steinheil's code is included in the chart in the Telegraph code article comparing dot-dash codes which is a more appropriate place to discuss it. It's possible that Morse was influenced by Steinheil's work, but we would need a source for that before it could go in the article. Morse himself would never have admitted to such a thing (or that any of his ideas came from anyone else).
- The difference between the Austrian Telegraph Union code and the International Code is only the addition of accented characters according to your chart. Not really a significant enough change to include in the article chart imo. However, it would be interesting to know why German umlauts were dropped and French accents added (according to your chart) at the same time. That could possibly reflect political rivalries at the time. SpinningSpark 11:34, 23 October 2020 (UTC)
Semi-protected edit request on 10 February 2021
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Morse code is not a Arabic thing it Is from Hawaii. 2603:9000:BD07:39CB:C9F:70CB:A08A:7ACE (talk) 16:04, 10 February 2021 (UTC)
- Not done: This article doesn't appear to claim Morse code is Arabic. If you think there is relevant information regarding Hawaii that should be added to this article, feel free to re-open this request with a reliable source and outline the specific changes you want made. Volteer1 (talk) 17:11, 10 February 2021 (UTC)
Period?
I think I remember there being a Period. Am I dreaming again? I thought it was ._._._ Longinus876 (talk) 23:30, 21 May 2021 (UTC)
- It is listed in Morse_code#Letters,_numbers,_punctuation,_prosigns_for_Morse_code_and_non-Latin_variants --Ancheta Wis (talk | contribs) 00:00, 22 May 2021 (UTC)
ż ⇄ ź
Polish Wikipedia lists Ż (dot) as --..-. and Ź (acute) as --..-
This article currently lists them the other way around.
Can anyone clear this up?
Polish is probably the only language which uses both characters. I saw the Polish wiki way listed in an unsourced forum post, which led me to notice the discrepancy. Does anyone have better knowledge or sources for which way is correct or more frequently used? —Pengo 22:22, 9 September 2021 (UTC)