[Elecraft] Copying CW at high speeds
Dave Cole
dave at nk7z.net
Sun Dec 29 01:20:51 EST 2019
Nerve impulses travel at around 200 MPH, tops, but I believe the
explanation will still hold.
73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist
ARRL Asst. Director, NW Division, Technical Resources
On 12/28/19 10:16 PM, K2bew wrote:
> Jim I really appreciate your long explanations of learning to improve CW.
> Thanks so much!
> 73,
> Tom Bewick, k2bew
>
> On Sat, Dec 28, 2019, 22:17 Jim Danehy <jsdanehy at gmail.com> wrote:
>
>> The electrical pulses from your ear to your brain travel at extremely fast
>> speed.
>>
>> The speed of light in a vacuum is 186,282 miles a second ; about
>> 670,616,629 mph.
>>
>> My point ? At QRQ CW speeds something occurs that you normally do not
>> encounter at slower speeds. Look at a dictionary. Many words start with a
>> common pattern. After 5 or 6 letters there are alternatives. At QRQ speed
>> Your brain is actually ahead of what your ear is feeding your brain. It is
>> giving you a choice of words to choose from.
>>
>> The task is to choose the correct one. You are aided in that choice by the
>> context of the message. I don’t know why this occurs. But it does.
>>
>> So when you learn to copy Entire words rather than letters ; this is the
>> phenomenon that occurs at high speeds. It helps but it can also throw you a
>> curve ball. That is where message context enters the equation.
>>
>> When you copy entire words rather than all the letters you have
>> assistance. Your ability to copy faster speeds will improve with time. I
>> only mention this as things get better the longer you stay with it.
>>
>> It is called getting over the hump. Or through the walk.
>>
>> It usually appears more difficult to increase your speed. However things
>> do occur that help you achieve the ability to copy entire words. Then QRQ
>> CW becomes conversational. Kind of like auto fill with computer typing.
>>
>> 73
>> Jim
>> W9VNE / VA3VNE
>>
>>
>>
>>
>> Sent from my iPhone
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