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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
12 Replies

Started this discussion. Last reply by Chuck aa0hw Sep 25, 2017.

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Chuck aa0hw posted a blog post

QRQ CW audio & webRTC - issues and solutions for getting GREAT CW AUDIO QSOs over the internet

webRTC usually comes stock with several audio processing engines in place .... like AGC, NOISE FILTERING, ECHO CANCELLATION which all of them will destroy how QRQ CW sounds over webRTC's OPUS AUDIO CODEC audo processing engines...used in this example is webRTC from JITSI MEET:https://jitsi.org/jitsi-meet/HOWEVER...BYjust adding a few lines to the jitsi meet URL - ie...…See More
Jun 14
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Chuck aa0hw commented on Chuck aa0hw's blog post QRQ CW over 100 wpm - tips, techniques and specialized QRQcw GEAR
"CW EDGE NOISE above 100 wpm -  how much is there ? & how can you get rid of most of it ? brief demo of the CW EDGE NOISE that is present when sending a QRQ CW TEXT file at 151 wpm using the AD5DZ software CW Keyboard A simple CW AUDIO…"
Jun 3
Chuck aa0hw posted a blog post

What QRQ CW sounds like at 75 wpm on a Tuned Radio Frequency(TRF) Receiver

Brief demo of using this TRF RECEIVER circuit(LINKED BELOW) to monitor the RIG's CW TRANSMIT - RF NEAR field - of my RIG's antenna on 80 meterssetup to listen to your rig's CW, using the RIG's antenna's NEAR FIELD RF EM - picked up by a TRF receiver's FERRITE ROD antenna - BFO'd by a simple VFO circuitTRF Transmitter monitor Receiver circuit is a combo of these two:HI FI AM DETECTOR:http://g3ynh.info/circuits/hi-fi_am.htmlTransistor AUDIO…See More
Jun 2
0 Comments
Chuck aa0hw posted a blog post

Keying QRQ with the AD5DZ CW Keyboard - adjust rig & kb settings while listening to a TRF receiver

demo of using a 2nd receiver, a simple TRF receiver, to adjust your RIG and your KEYBOARD settings, to make sure you are sending cw just like you want...create your own custom CW NOTE with its own type of raised cosine edge, its own weight, rise/fall time... etc.. by listening in real time to this TRF ReceiverTRF Transmitter monitor Receiver circuit is a combo of these two:HI FI AM DETECTOR:http://g3ynh.info/circuits/hi-fi_am.htmlAUDIO AMP…See More
May 27
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Chuck aa0hw replied to Chuck aa0hw's discussion CW KEYBOARDS from the days of yore
"A-TRONIX CW KEYBOARD info here: https://www.n7cfo.com/Tgph/Dwnlds/atronix.pdf"
May 18
Chuck aa0hw commented on Chuck aa0hw's page AUDIO RECORDINGS OF QRQ CW NETs
"Here is a LIVE  'off the air'  recording, of a QRQ CW NET on 40 meters(10-8-2017)"
Oct 9, 2017
Chuck aa0hw posted a blog post

QSO qrq CW with another CW OP over the internet using just a simple VST, LV2, or AU plugin called - Studio-Link

Short demo of a MORSE CODE AUDIO sidetone QSO over the internet between 2 CW OPS using the FREE LV2 plugin - STUDIO-LINK - https://sendegate.de/t/studio-link-pl...…See More
Oct 7, 2017
0 Comments
Chuck aa0hw commented on Chuck aa0hw's blog post QRQ CW - MORSE CODE Regeneration software - Live Demo
"here is another example of CW REGENERATION using multiple instances of the sineCW VST PLUGIN with multiple instances of the Mumble Client...every CW OP that is in the same channel on MUMBLE with you, can have their own individual control for CW…"
Sep 25, 2017

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

QRQ CW audio & webRTC - issues and solutions for getting GREAT CW AUDIO QSOs over the internet

webRTC usually comes stock with several audio processing engines in place .... like AGC, NOISE FILTERING, ECHO CANCELLATION which all of them will destroy how QRQ CW sounds over webRTC's OPUS AUDIO CODEC audo processing engines...

used in this example is webRTC from JITSI MEET:…

Continue

Posted on June 14, 2019 at 12:56pm

What QRQ CW sounds like at 75 wpm on a Tuned Radio Frequency(TRF) Receiver

Brief demo of using this TRF RECEIVER circuit(LINKED BELOW) to monitor the RIG's CW TRANSMIT - RF NEAR field - of my RIG's antenna on 80 meters

setup to listen to your rig's CW, using the RIG's antenna's NEAR FIELD RF EM - picked up by a TRF receiver's FERRITE ROD antenna - BFO'd by a simple VFO circuit

TRF Transmitter monitor…

Continue

Posted on June 2, 2019 at 8:57am

Keying QRQ with the AD5DZ CW Keyboard - adjust rig & kb settings while listening to a TRF receiver

demo of using a 2nd receiver, a simple TRF receiver, to adjust your RIG and your KEYBOARD settings, to make sure you are sending cw just like you want...create your own custom CW NOTE with its own type of raised cosine edge, its own weight, rise/fall time... etc.. by listening in real time to this TRF Receiver

TRF Transmitter monitor…

Continue

Posted on May 27, 2019 at 11:30am

Elecraft K3S - Keying QRQ CW - A1 mode VERSES A2 mode - LIVE DEMO

Brief demo of keying QRQ CW on the ELECRAFT K3S using A1 mode and A2 mode(AFCW) at 75 wpm to show the CW bandwidth spectrum and CW waveshape differences

A1 MODE = default way to key CW on the K3S , the K3S uses the typical RAISED COSINE at 8 ms rise/fall time and cannot be changed

A2 MODE is done by using the AD5DZ software CW…

Continue

Posted on March 27, 2019 at 9:55am

QRQ CW wearable speaker - using a flat panel speaker and the CW AUDIO CANNON

one of the challenges when using a speaker for "copy by ear" listening to QRQ CW audio tones, is that the pure sine cw audio tones bounce off the walls, floor and ceiling of the room you are in and can cause all kinds of weird effects...this experimental combo of using a surplus, 5 buck, 4 ohm, flat panel speaker and the CW AUDIO CANNON…

Continue

Posted on March 9, 2019 at 7:02am — 1 Comment

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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