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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Latest Activity

Chuck aa0hw posted a blog post

QRQ'n CW on HF remotely in the QTH with a LAPTOP to a RASPBERRY PI - advanced setup for CW Keyboard, Paddles, & Straight Key

this is an advanced setup for remote control of an ELECRAFT K3S over ip on the LOCAL AREA NETWORK - a LINUX LAPTOP to the Rig's Raspberry PI's computerAUDIO OVER IP: over the local LAN with routers and switches :zita-njbridge is used to provide audio for RECEIVE AND TRANSMIThttps://kokkinizita.linuxaudio.org/linuxaudio/ACTIVATING THE RIG's PTT with a 45 hertz SUB TONE: before the CW AUDIO TONES arriveusing two GATES, the first…See More
Friday
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Chuck aa0hw posted a blog post

QRQ CW in AFCW mode - test transmit 1 watt and observe audio quality and spectrum purity on webSDR

short test by transmitting CW at 1 watt on 10 meters - going to a websdr rcvr to listen and record the sound - look for how well using AFCW MODE on an ELECRAFT K3S performs for its spectral purity and waveform preservation of a well constructed raised cosine edged CW NOTE made by the ZamGate CW RE-Keyer - transmitted by an Elecraft K3S using a remote laptop sending the CW TONE transmit audio to the rig over ip on the local area network, going through routers and switchesRESULTS:everything looks…See More
Wednesday
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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 (4-14-2018) audio recording of an HF 40 METER CW NET that took place on April 14, 2018... (audio was recorded from the USB LINE OUTPUT of an Elecraft K3S's own…"
Apr 15
Chuck aa0hw commented on Chuck aa0hw's blog post QRQ CW over 100 wpm - tips, techniques and specialized QRQcw GEAR
"QRQ CW over 100 wpm - 150 wpm copy test - using "WEIGHT BY TIME" adjustment for better copy by ear short demo of how using a slight adjustment of "weight by time" to make copying CW OVER 100 wpm by ear, a bit easier the ZamGate…"
Apr 13
Chuck aa0hw posted a blog post

QRQ CW over 100 wpm - 121 wpm copy test - 700 hertz tone VERSES 821 hertz tone - which is better ?

brief demo of having 2 FLdigi(s) sending the same text file at 121 wpm...one FLdigi sending at the pitch of 821 hertz, the other sending at 700 hertzthere are a few QRQ CW OPS that can copy over 100 wpm that have reported in over the past years, stating that they prefer a higher CW PITCH when copying CW above 100 wpm...this short video demo, is given to test that concept...and see if other CW OPs that can copy above 100, would also agree, that it is slightly easier to copy cw over 100 wpm by…See More
Apr 13
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Chuck aa0hw commented on Chuck aa0hw's blog post using the LINUX LV2 PLUGIN - Trigger Midi Mono - as a morse code practice oscillator
"Here is another good example of taking a harsh sounding sidetone and converting it into raised cosine nice sounding sidetone using TRIGGER MIDI MONO and the MIDICW software CW KEYER:"
Apr 11
Chuck aa0hw posted a blog post

Using FLdigi to adjust TRIGGER MIDI MONO for perfect QRQ CW AUDIO input to QRQ CW MIDI NOTE DATA output - at 200 wpm

********************************************************************* ADJUSTING TRIGGER MIDI MONO for extremely accurate AUDIO VOLUME input to CW MIDI DATA NOTE output conversion *********************************************************************FLdigi will transmit a dit at 200 wpm(1khz [green]square wave using FLdigi's RT QSK control), which should be 6ms in length...the TRIGGER MIDI MONO settings will be adjusted to match FLdigi's 6ms dit length, with its own CW MIDI OUTPUT data -…See More
Apr 11
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Chuck aa0hw posted a blog post

QRQ Morse Code Audio over Mumble Voip - low bit rate(8k) experiment using the ZamGate CW RE-Keyer

this is a follow up to the first video about this topic:https://youtu.be/BgVdf55w13Mto see how well this RE-KEYING SOFTWARE SYSTEM could RE-KEY low bit rate qrq cw audio over MUMBLE VOIP at 60 wpmFROM 1st Video on this topic:low bit rate experiment to see if the morse code audio tones that were being transmitted over Mumble on the iCW server, could be recovered from the CW OP transmitting with an 8k bit rate Mumble OPUS…See More
Mar 19
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Profile Information

Your Call Sign
aa0hw
How many years have you been performing QRQ CW
about 14 years
What speed do you like to run QRQ CW
between 70 - 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
Your Rig, Antenna and RF Power
Icom 735, end fed random wire @150 feet long up @ 50 feet
Your QSK preferences
Full QSK
Your favorite headphones or speakers for listening to cw
Plantronics headset

HERE IS THE NEXT WORLD CHAMPION QRQcw OP


Chuck aa0hw's Photos

Chuck aa0hw's Videos

Chuck aa0hw's Blog

QRQ'n CW on HF remotely in the QTH with a LAPTOP to a RASPBERRY PI - advanced setup for CW Keyboard, Paddles, & Straight Key

this is an advanced setup for remote control of an ELECRAFT K3S over ip on the LOCAL AREA NETWORK - a LINUX LAPTOP to the Rig's Raspberry PI's computer

AUDIO OVER IP: over the local LAN with routers and switches :

zita-njbridge is used to provide audio for RECEIVE AND TRANSMIT…

Continue

Posted on April 20, 2018 at 11:34am

QRQ CW in AFCW mode - test transmit 1 watt and observe audio quality and spectrum purity on webSDR

short test by transmitting CW at 1 watt on 10 meters - going to a websdr rcvr to listen and record the sound - look for how well using AFCW MODE on an ELECRAFT K3S performs for its spectral purity and waveform preservation of a well constructed raised cosine edged CW NOTE made by the ZamGate CW RE-Keyer - transmitted by an Elecraft K3S using a…

Continue

Posted on April 18, 2018 at 9:25am

QRQ CW over 100 wpm - 121 wpm copy test - 700 hertz tone VERSES 821 hertz tone - which is better ?

brief demo of having 2 FLdigi(s) sending the same text file at 121 wpm...one FLdigi sending at the pitch of 821 hertz, the other sending at 700 hertz

there are a few QRQ CW OPS that can copy over 100 wpm that have reported in over the past years, stating that they prefer a higher CW PITCH when copying CW above 100 wpm...this short…

Continue

Posted on April 13, 2018 at 7:36am

Using FLdigi to adjust TRIGGER MIDI MONO for perfect QRQ CW AUDIO input to QRQ CW MIDI NOTE DATA output - at 200 wpm

*********************************************************************

ADJUSTING TRIGGER MIDI MONO for extremely accurate AUDIO VOLUME input to CW MIDI DATA NOTE output conversion

*********************************************************************

FLdigi will transmit a dit at 200 wpm(1khz [green]square wave using FLdigi's…

Continue

Posted on April 11, 2018 at 8:30am

QRQ Morse Code Audio over Mumble Voip - low bit rate(8k) experiment using the ZamGate CW RE-Keyer

this is a follow up to the first video about this topic:

https://youtu.be/BgVdf55w13M

to see how well this RE-KEYING SOFTWARE SYSTEM could RE-KEY low bit rate qrq cw audio over MUMBLE VOIP at 60 wpm

FROM 1st Video on this topic:

low bit rate…

Continue

Posted on March 19, 2018 at 8:44am

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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