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
12 Replies

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

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Chuck aa0hw posted a blog post

turn an OLD 1 cpu LAPTOP into a high performance QRQ CW KEYBOARD KEYER for the ELECRAFT K3S

this video demo's using an old 1 CPU laptop as an AFCW mode, QRQ CW KEYBOARD KEYER for an ELECRAFT K3S by using the K3S USB SOUND CARD and AFCW MODE, for keying QRQ CW with the AD5DZ software CW KEYBOARD into the K3S USB SOUND CARD's LINE INPUT...the K3S VOICE VOX CIRCUIT menu setting is "ON"the old laptop is using the latest release of antiX linux os...which is one of the best distros i have used for this old 1 CPU laptop...BASIC SETUPtake a USB CABLE from the K3S USB PORT on its rear panel…See More
Jan 3
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Chuck aa0hw updated their profile
Dec 30, 2018
Chuck aa0hw posted a blog post

Remote Rig Operations with the Elecraft K3S - using just its USB PORT and a Raspberry PI

LIVE DEMO of remote rig operations for CW using a software CW KEYBOARD, PADDLES and a STRAIGHT KEY at the remote site, as well as VOICE from the REMOTE LOCATION....The ELECRAFT K3S has its own USB SOUND CARD, it will be used for AUDIO OVER IP and SERIAL COMMANDS over IPto send and receive audio between the RIG and the REMOTE OPand to adjust the RIG's control over the USB SERIAL CONNECTIONa Raspberry pi is used as an interface between the RIG and the REMOTE OP....the RASPBERRY PI is going to use…See More
Dec 27, 2018
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Chuck aa0hw commented on Chuck aa0hw's blog post QRQ CW over 100 wpm - tips, techniques and specialized QRQcw GEAR
"Here is an experimental way to the KEY QRQ CW on the ELECRAFT K3S over 100 wpm 1, using AFCW MODE2. using LSB3. using a 6khz tone sent ahead of the actual cw tone to activate the K3S VOICE VOX PTT circuit and get the RIG ready for TRANSMIT4. get…"
Dec 25, 2018
Chuck aa0hw posted a blog post

QRQ CW Transmit Audio Filtering - to reduce drastically your RIG from transmitting RF CW EDGE NOISE Harmonics

Even at 8.3 ms RISE and FALL time, as was used in this test setup,  which is even more than the usual COMMERCIAL RIG's  RAISED COSINE WAVE SHAPE, the amount of CW EDGE NOISE harmonic energy that you will still transmit above and below the actual CW PITCH, when sending at QRQ CW - say at 90 wpm,  is shown here in this Spectrum Analyzer view below:However, if you filter your…See More
Dec 23, 2018
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Chuck aa0hw posted a blog post

QRQ CW qso'N over Gstreamer - Morse Code "audio OVER ip" using the FLAC Audio Codec

brief demo of what QRQ CW morse code audio tones sound like using the FLAC AUDIO CODEC on Gstreamer PipelinesNOTE: the QRQ CW AUDIO you are hearing, if what the FLAC encoded CW AUDIO sounds like after decoding it finally on the LAPTOP(Lubuntu 18.04)the QRQ CW AUDIO stream starts on the LAPTOP goes to the PI over wired Ethernet, through routers & switches... then the PI re-encodes what it is receiving from the laptop and sends it right back to the laptop(basically a loopback formation on the…See More
Dec 18, 2018
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Chuck aa0hw posted a blog post

QRQ CW over the OGG VORBIS audio codec - LIVE DEMO using Gstreamer TCP "audio OVER ip" scripts

test by sending a QRQ CW test file from TOM's W4BQF famous article:https://sites.google.com/site/tomw4bqf/copyingcwover70wpmsoftware CW KEYBOARD by AD5DZ:https://youtu.be/l8wKVnA4oGcRASPBERY PI GSTREAMER OGG VORBIS SCRIPTS USED:*******************************************************************TRANSMIT TO THE REMOTE LAPTOPpi@raspberrypi ~ $ gst-launch-1.0 -v jackaudiosrc !…See More
Dec 12, 2018
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Chuck aa0hw posted a blog post

Don't TRUST the ELECRAFT K3S transmit input monitor to accurately represent what is transmitted

here is a brief VIDEO to demo the problem with the K3S transmit input monitor when operating AFCW transmit MODEbrief demo showing the ELECRAFT K3S transmitting QRQ CW in FULL QSK with RX AUDIO between LETTERS...AND while you are listening to the K3S input TRANSMIT audio monitor - it sounds like everything is ok and working well...even while looking at the SCOPE VIEW...you see that every cw element is in perfect form, and the RX audio between the letters that are being sent is present and…See More
Dec 11, 2018
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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

Chuck aa0hw's Videos

Chuck aa0hw's Blog

turn an OLD 1 cpu LAPTOP into a high performance QRQ CW KEYBOARD KEYER for the ELECRAFT K3S

this video demo's using an old 1 CPU laptop as an AFCW mode, QRQ CW KEYBOARD KEYER for an ELECRAFT K3S by using the K3S USB SOUND CARD and AFCW MODE, for keying QRQ CW with the AD5DZ software CW KEYBOARD into the K3S USB SOUND CARD's LINE INPUT...the K3S VOICE VOX CIRCUIT menu setting is "ON"

the old laptop is using the latest release of…

Continue

Posted on January 3, 2019 at 12:57pm

Remote Rig Operations with the Elecraft K3S - using just its USB PORT and a Raspberry PI

LIVE DEMO of remote rig operations for CW using a software CW KEYBOARD, PADDLES and a STRAIGHT KEY at the remote site, as well as VOICE from the REMOTE LOCATION....

The ELECRAFT K3S has its own USB SOUND CARD, it will be used for AUDIO OVER IP and SERIAL COMMANDS over IP

to send and receive audio between the RIG and the REMOTE…

Continue

Posted on December 27, 2018 at 12:00pm

QRQ CW Transmit Audio Filtering - to reduce drastically your RIG from transmitting RF CW EDGE NOISE Harmonics

Even at 8.3 ms RISE and FALL time, as was used in this test setup,  which is even more than the usual COMMERCIAL RIG's  RAISED COSINE WAVE SHAPE, the amount of CW EDGE NOISE harmonic energy that you will still transmit above and below the actual CW PITCH, when sending at QRQ CW - say at 90 wpm,  is shown here in this Spectrum Analyzer view below:…

Continue

Posted on December 23, 2018 at 8:30am

QRQ CW qso'N over Gstreamer - Morse Code "audio OVER ip" using the FLAC Audio Codec

brief demo of what QRQ CW morse code audio tones sound like using the FLAC AUDIO CODEC on Gstreamer Pipelines

NOTE: the QRQ CW AUDIO you are hearing, if what the FLAC encoded CW AUDIO sounds like after decoding it finally on the LAPTOP(Lubuntu 18.04)

the QRQ CW AUDIO stream starts on the LAPTOP goes to the PI over wired Ethernet,…

Continue

Posted on December 18, 2018 at 11:00am

QRQ CW over the OGG VORBIS audio codec - LIVE DEMO using Gstreamer TCP "audio OVER ip" scripts

test by sending a QRQ CW test file from TOM's W4BQF famous article:

https://sites.google.com/site/tomw4bqf/copyingcwover70wpm

software CW KEYBOARD by AD5DZ:

https://youtu.be/l8wKVnA4oGc

RASPBERY PI…

Continue

Posted on December 12, 2018 at 10:07am

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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