[bars] Morse Code

[Tony Brock-Fisher]

Sometimes what's old is new again...

CW was named continuous wave to differentiate it from the damped wave 
transmissions of spark. In spark, the arc causes an oscillation in the 
tank circuit and antenna, but the wave decays gradually, giving it a 
raspy sound from the sawtooth waveform.

When tubes were used, they could produce true continuous sine waves at 
the desired frequency.

Hence 'continuous wave', CW.

Habit and colloquialism meant the term also applied to Morse Code, 
though the waves would be just as continuous if it was RTTY, ASCII, or 
any other binary code.

-Tony, K1KP

p.s. no, I wasn't there back then...

On 7/8/2023 10:13 PM, Leandra MacLennan wrote:
> CW and Morse code are the same thing.
>
> CW is an abbreviation for Continuous Wave.
> Morse code is sent by turning on and off a transmitter. When the 
> transmitter is on, the signal is on steady, “continuously”. So when we 
> talk about having a Morse code contact, we use shorthand notation and 
> refer to it as a CW contact. When you get to the point where you are 
> logging contacts, a contact using Morse code is logged as “CW” mode.
>
> -Leandra AF1R
>
>> On Jul 8, 2023, at 2:24 PM, Joanne Dolan <dolans.family at gmail.com> wrote:
>>
>>  Yay! I found what I used to use 3x’s a day!
>> I think it comes with different speeds.
>>
>> Joanne
>> KC1NMX
>> <z92b0v.png>
>> From the amateurradio community on Reddit: 20WPM CW listening 
>> learning link. 
>> <https://www.reddit.com/r/amateurradio/comments/z92b0v/20wpm_cw_listening_learning_link/>
>> reddit.com 
>> <https://www.reddit.com/r/amateurradio/comments/z92b0v/20wpm_cw_listening_learning_link/>
>>
>> <https://www.reddit.com/r/amateurradio/comments/z92b0v/20wpm_cw_listening_learning_link/>
>>
>>
>>
>> Sent from my iPad
>>
>>> On Jul 8, 2023, at 6:14 PM, Joanne Dolan <dolans.family at gmail.com> 
>>> wrote:
>>>
>>> Thanks everyone for your suggestions!
>>>
>>> So far I’ve used Morse Mania and have completed the alphabet
>>> and moving onto numbers. I’ve made a list of the other websites,
>>> which I plan on using as well.
>>>
>>> 73!
>>> Joanne
>>> KC1NMX
>>>
>>> Sent from my iPad
>>>
>>>> On Jun 30, 2023, at 2:50 PM, n1hts <n1hts at comcast.net> wrote:
>>>>
>>>> 
>>>> Arrl.org has lots of mp3 files for you to copy at different speeds
>>>>
>>>>
>>>>
>>>> Sent from my Samsung Galaxy , an AT&T LTE smartphone
>>>>
>>>>
>>>> -------- Original message --------
>>>> From: Mike Leg <KE1LU at mail.com>
>>>> Date: 6/30/23 2:17 PM (GMT-05:00)
>>>> To: bars at w1hh.org
>>>> Subject: Re: [bars] Morse Code
>>>>
>>>> Hi Joanne,
>>>> Lately I've found a tool from AA9PW useful for practice.
>>>> The whole aa9pw.org site is interesting.
>>>> But the tool I'm talking about is the "morse code generator"
>>>> https://www.aa9pw.com/morsecode/test/
>>>> As you can see it will generate a number of things for you to copy.
>>>> Works well on my Android phone using Firefox too, not just
>>>> the computer.
>>>> See if it's what you're looking for.
>>>> I'm currently studying cw too.
>>>> 73
>>>> - Mike
>>>>   KE1LU
>>>> *Sent:* Friday, June 30, 2023 at 5:43 AM
>>>> *From:* "Lizzie DeMarco" <lizzie at lizzie.com>
>>>> *To:* "Joanne Dolan" <dolans.family at gmail.com>, bars at w1hh.org
>>>> *Subject:* Re: [bars] Morse Code
>>>> I am using Morse Mania by Dong Digital.  Am already through the 
>>>> alphabet and starting on the numbers.
>>>> Lizzie
>>>> KC1SUY
>>>>
>>>>     On 06/30/2023 12:04 AM EDT Joanne Dolan
>>>>     <dolans.family at gmail.com> wrote:
>>>>     I’m looking for a website that I have used in the past to help
>>>>     me learn the tones of CW. They would give the sound of the
>>>>     letter, give you time to guess the letter, and then tell you
>>>>     the letter. You had the option to decrease the time they gave
>>>>     you for your guess.
>>>>     Also, I would like to know the name of any app that people
>>>>     found helpful in becoming proficient at CW. Thanks in advance!
>>>>     73,
>>>>     Joanne
>>>>     KC1NMX
>>>>     Sent from my iPad
>>>>     _______________________________________________
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