Chuck aa0hw

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Chuck aa0hw's Discussions

TAKE THE QRQ CW TEST - Which is better to copy - LINEAR or EXPONENTIAL raised cosine edges

Started Dec 8, 2017

QRQ CW QSO with other cw ops over the internet - just using your browser

Started Feb 14, 2015

HOME BREWED SOFTWARE CODE PRACTICE OSCILLATOR VST VSTi PLUGIN
16 Replies

Started this discussion. Last reply by Chuck aa0hw Oct 1, 2021.

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Latest Activity

Chuck aa0hw posted a blog post

High Performance Ultra Low Latency QRQ CW audio bandpass filter - by Gemini using the Rust Language

brief demo of this high performance ultra low latency QRQ CW AUDIO BANDPASS FILTER written in the Rust Language by the AI Gemini here is a copy of the main.rs(you need to rename the file to just main.rs) https://u.pcloud.link/publink/show?code=XZ3gju5ZW58SeXT5QQJReIYbsfUPMk1mVq9kHere is the main.rs Cargo.toml file used to compile the main.rs# Cargo.toml [package] name =…See More
Jun 19
0 Comments
Chuck aa0hw commented on Chuck aa0hw's blog post Practice COPYing CW with this Python CW Keyboard(by GROK3 & GPT4)
"Here is a version for WHOLE WORD copy by ear COPY PRACTICE Gemini wrote this python program for practicing 'whole word sound' copy by ear recognition, to help you 'memorize' and instantly, effortlessly, copy whole word sounds…"
Jun 16
Chuck aa0hw commented on Chuck aa0hw's blog post new improved python qrq cw keyboard from grok3 AI
"Here is the NEXT GEN C++ version of this keyboard... This version splits the control area from the typing area, so you can have an individual typing screen to place, move about, resize etc..  it also changes fixes a few issues that…"
Jun 11
Chuck aa0hw commented on Chuck aa0hw's blog post Practice COPYing CW with this Python CW Keyboard(by GROK3 & GPT4)
"Here is a close up of the latest version's CW COPY PRACTICE CW KEYBOARD, using the new Sigmoid ramp function "Erf"... note the smoothness of the dit curvature at the top of the dit cycles, and the narrow spectrum bandwidth it gives,…"
May 30
Chuck aa0hw commented on Chuck aa0hw's blog post Practice COPYing CW with this Python CW Keyboard(by GROK3 & GPT4)
"Here is the next new version of this  COPY PRACTICE CW PLAYER APP this time improved by GEMINI AI ... This version has many new improvements and added features,  it adds 3 new ramp functions,  Erf Sigmoid, Kaiser-bessel, PSWF, in…"
May 30
Chuck aa0hw commented on Chuck aa0hw's blog post new improved python qrq cw keyboard from grok3 AI
"Here is a new version of the PYTHON CW KEYBOARD this is a link to the PDF User Manual for it:   https://u.pcloud.link/publink/show?code=XZx7KS5Z0jjsXU8uPx5JlodPBCsimmKF99RV this is the link to the python code for this new version of this CW…"
May 29
Chuck aa0hw commented on Chuck aa0hw's blog post new improved python qrq cw keyboard from grok3 AI
"Here is the same CW KEYBOARD written in the RUST LANGUAGE by GROK"
May 22
Chuck aa0hw commented on Chuck aa0hw's blog post new improved python qrq cw keyboard from grok3 AI
"Here is a comparison graph between Raised Cosine and PSWF function both set to 8ms rise/fall time...  look at the side lobes of noise each makes and notice that the PSWF has lower side lobe noise close in to the main cw pitch than the RC…"
Apr 24

Profile Information

Your Call Sign
aa0hw
How many years have you been performing QRQ CW
about 24 years
What speed do you like to run QRQ CW
between 60 - 110 wpm
Your favorite key, paddle or bug
I have a MERCURY paddle
Your favorite cw keyboard
I like the MICROSOFT COMFORT CURVE 2000 for typing cw

http://images.pcworld.com/howto/graphics/124948-2406p140-1b.jpg
Your favorite cw sending software
FLdigi, YPLog & the AD5DZ software CW Keyboard
Your Rig, Antenna and RF Power
Elecraft K3S, 100 foot each leg of a dipole about 25 feet high
Your QSK preferences
Full QSK
Your favorite headphones or speakers for listening to cw
Closed back headphones
What has been your most effective way of training practice, to copy and send qrq cw
using FABIAN's QRQ app for sending random words and using a variable cassette player to listen to CW TAPES made by FABIAN's EBOOK2CW app

HERE IS THE NEXT WORLD CHAMPION QRQcw OP


Chuck aa0hw's Photos

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Chuck aa0hw's Blog

High Performance Ultra Low Latency QRQ CW audio bandpass filter - by Gemini using the Rust Language

brief demo of this high performance ultra low latency QRQ CW AUDIO BANDPASS FILTER written in the Rust Language by the AI Gemini here is a copy of the main.rs(you need to rename the file to just main.rs)…

Continue

Posted on June 19, 2025 at 10:54am

new improved python qrq cw keyboard from grok3 AI

some improvements have been issued from GROK3 on this latest QRQ CW KEYBOARD

written in PYTHON code and the multiple cw timing adjustments were drawn from YPLOG's CW KEYBOARDs multiple cw timing settings ,   

the python code file can be downloaded if you want to test it...

uploaded/attach it to your favorite AI and ask it to convert the audio engine over to windows or mac...this is written for the LINUX OS…

Continue

Posted on March 6, 2025 at 1:27pm — 15 Comments

Practice COPYing CW with this Python CW Keyboard(by GROK3 & GPT4)

Python CW KEYBOARD(by GROK & GPT) for CW COPY PRACTICE

- pick a text file to send - copy/paste into the TEXT AREA Of the CW KEYBOARD

- click on SEND MORSE CODE button on the GUI

use options for: *CW PITCH, *SPEED, *spacing between words, & *element…

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Posted on February 26, 2025 at 1:20pm — 4 Comments

Interrupt Modulated(IM) QRQ CW Mode - Live demo on the VLF band

Interrupt Modulated(IM) QRQ CW Mode transmitting and receiving digital information using an analog carrier where the required bandwidth is limited to approximately the frequency of the analog carrier signal. The method is called interrupt modulation and consists of interrupting an un-modulated carrier signal so the…

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Posted on March 28, 2024 at 9:49am — 1 Comment

rEvErSe iMaGe CW mode FiGHTS BACK against packet loss during an OPUS CW AUDIO over iP Morse Code QSO

USING rEvErSe iMaGe CW(riCW) MODE to minimize AUDIO GLITCHEs from poor internet performance with lots of packet dropouts...using an riCW encoder & riCW decoder the riCW encoder injects silence into an audio carrier to represent each CW ELEMENT, the riCW decoder is using CW REGENERATION to convert the silent CW…

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Posted on March 23, 2024 at 8:00am

Comment Wall (40 comments)

At 3:49pm on February 4, 2008, Rick said…
Good site idea and I hope it takes off, I will do my part to generate interest in it........
At 2:44pm on October 5, 2008, Fritz Zwingli said…
Hi Chuck,
many tnx for the kind words.
Congrats on your fb site and hope
to meet you on the air soon.
Vy73 es gd qrq`ing
Fritz
At 8:16pm on December 15, 2008, Bill Kramer said…
Hi Chuck. Thanks for the warm welcome. I don't know exactly when i'll be up and running from here. I have a few problems to workout first. I'm in a condo on the top floor(3rd) with 220 other units here. I face a courtyard and my balcony can bee seen my many others. This condo has antenna restrictions etc. so i'll have to run in the stealth mode. We will see what happens..Maybe a indoor 40 mtr loop?? Hope to catch you on the air.73's
At 6:10am on May 12, 2009, Patrick Henigin said…
Chuck I am trying to promote CW right here in my own home.
I have ordered parts for an interface as described on page
http://docs.google.com/Doc?id=ddw2g8w8_9fkz7xj
I think you wrote that page. It looks pretty basic. I am not sure where the positive voltage is applied, or what voltage it is run at. Or is the sound card supposed to supply enough power to run the circuit?
73 Pat N6ZEM
At 8:36am on September 9, 2009, mwm said…
HI Chuck

Tnx for the welcome as well as the back ground info on the CW IRLP project. I hope to meet up with you guys on that mode down the road.

73..........Mark/W8VNZ
At 1:00pm on November 23, 2009, David Runk said…
Thnks Chuck, got a ways to go on typing but 30-40wpm is FB!...now to get really serious!!! -73, Dave,aa3ej
At 11:56pm on January 1, 2010, KIT DEAN said…
Hi Chuck,

Yes I am presently training to improve my QRQcw copy. I use JustLearnMorseCode and MRX, as well as converting text lists of the 6800 most common words by means of ebook2cw. ( I can copy 24-27 wpm (using 41-44 wpm letters) using a computer keyboard. I spent the last two days trying to get CWirc and CWCOM to work on Windows and was just about to sign on with QSOnet when I found your site, which may be more what I am looking for. I would like to be able to head copy 36 WPM without error, and would dearly love QRQ at 50-70 wpm.) I was licensed in 1960 as a Novice and then in 1976 as an Advanced, and 1984 as an Extra passing the 20 wpm code test. I let my license lapse as I went back to school and was recently relicensed in January of 2009. I had a Yaseu FT101 and this year acquired two HW16's in anticipation of working more CW,

I downloaded the newest fldgi, Mumble and Wondershare. Thank you for putting the instructions for installation in a couple of places and formats, as this allowed me to setup and configure these software apps. Can you tell me which IRC channels are hosting qrqcw conversations, and if this setup is also used by others to work code on the chat channels.

73,
Kit
AC0NR (formerly AA6AS)
At 8:49am on January 2, 2010, KIT DEAN said…
Hi Chuck,
I have not been able to make CWirc work in Windows: it needs to have cwirc.so to be compiled in python or delphi so that the xchat that has been ported to windows can pick it up inside of xchat as a recognizable plugin.

I obtained the 6815 most common words from a website. This is a 'magic number' of words, since it is approximately 95% of all words used. (As you are already well aware) word usage varies depending on whether we are talking about all television scripts, or all novels, or all English usage per the big big Oxford dictionary. But this list should be nearly everything.

I have stayed away from chat rooms since 1994 when it became clear that these were largely unregulated or that there could be harm done to my computer. Because of that, it is somewhat difficult to be aware of the logon procedures etc. So I would really appreciate a really elementary list of how to log on and where to go etc. It seems we could open a IRC channel as #qrqcw_mumble and begin qso'ing. Also, I am lost as to where the main iCW website would be as I only found 11 messages on googlegroups. So I need some pointers.

I got out rufzxp again last night. I am at 46 wpm letters and I think I should just practice for about 2 hours per day. It seems that if I go with faster than 46 wpm letters I miss too much, so it may be my brain is breaking down the communication into dots and dashes. Any advice would be appreciated.



73,
Kit
AC0NR
At 2:17pm on January 22, 2010, PP5VX (Bone) said…
Tnx my dear !

I was hamming for the past 35 years, and started at 14 on ham-radio, and 15 on CW...
As you can read (and see...) better on QRZ.

Nice to take part of this wonderful world of CW and QRQ, of course, because, my moto is: "If you have to do something - do well" - Why CW at 15 wpm ? (hi)

See also the "MorseRunner Scores" page at www.dxatlas.com, with my other call: PV5X, in some contests...

73/DX Bone (PP5VX)
Allways QRP... hi
At 9:23pm on January 24, 2010, Bob said…
Many thanks for the welcome in the QRQcw, I'm very honoured.
Still need to learn a bit how-to here.
I hope to meet with all of you on the radiowaves,
73
Bob, I0QM

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