All Blog Posts (238)

QRQ CW on Linux

Here are some videos about setting up QRQ CW apps on the LINUX PLATFORM…

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Added by Chuck aa0hw on December 16, 2014 at 10:00am — No Comments

SOFTWARE CW KEYBOARDs - review of 5 morse code programs

This video demonstrates 5 different cw keyboard programs - just an overview of each one.( there are other videos that will go over the details of each one) These 5 cw keyboard programs were selected because they have adjustable cw timing parameters for weight, dot/dash ratio, rise/fall time, compensation etc...

FOR FURTHER INFORMATION ON THESE KEYERs SEE:

1.…

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Added by Chuck aa0hw on August 12, 2014 at 2:56pm — No Comments

Morse Code Software - overview of some great CW apps - 2014

This video is an overview and demonstration of some of the best cw apps out there for the windows operating system. First shown is how to hook up your paddles, bugs and keys all at the same time, to a program called ehoCW, so you can use any of them, any time on your computer. (ehoCw uses a serial port or USB to serial port adapter for attaching your paddles, bugs…

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Added by Chuck aa0hw on July 22, 2014 at 4:41pm — No Comments

SOFTWARE CW KEYERs - review of 5 morse code programs

HERE ARE THE CW SOFTWARE KEYERS mentioned:

1, ehoCW

http://www.f8eho.net/

2. dahdidah cw keyer

http://echo.qsonet.com/viewtopic.php?forumid=10&topicid=785

3. Morse Keyer…

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Added by Chuck aa0hw on July 4, 2014 at 9:30am — No Comments

Hsc on facebook

https://www.facebook.com/groups/435407226605518/?ref=notif&notif_t=group_r2j_approved

A very good initiative....

Hjalmar
Oz1jhm

Added by Hjalmar Skovholm Hansen on April 11, 2014 at 7:49am — No Comments

Dit and dah memory - good or bad?

Hi CW fellows

I am training a lot to be a qrq op, and Now just beyond 40 wpm in sending.

I am used to use dit and dah memory keyer iambic b , but do you Think it Will harm me When getting higher in speed.

Have heard that dit and dah memory is not good for qrq - what do you Think ?

Best regards

Oz1jhm
Hjalmar

Added by Hjalmar Skovholm Hansen on March 25, 2014 at 10:51am — 15 Comments

CODE PRACTICE OSCILLATOR powered by any computer MIC JACK - no batteries needed - EVER -

Every computer MICROPHONE INPUT jack,  has its own voltage and current that is already built inside it, in order to power Electret Mics.  By modifying a very simple and low voltage square wave generator circuit to make use of this MIC VOLTAGE, a very simple and NO BATTERY NEEDED -  EVER -   code practice oscillator can be made using this circuit, the MIC JACK,  and  an AUDIO to MIDI technique to regenerate the original input…

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Added by Chuck aa0hw on February 9, 2014 at 2:30pm — 7 Comments

MIDI KEYED - MORSE CODE SINE WAVE OSCILLATOR - with free software

This is an experiment in using free VST PLUGINS to create a MIDI KEYED morse code sine wave oscillator(software). It is "keyed" by MIDI INPUT. You can also use this midi setup to regenerate morse code audio tones from another source. FLdigi is used in the video for this purpose. Using MIDI to key a software CPO, shows great promise, since the accuracy of midi input keying is far superior to using a SERIAL PORT for this kind of a setup, in regards to accurate timing. Even at extreme QRQ CW…

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Added by Chuck aa0hw on January 21, 2014 at 9:06am — 16 Comments

Advanced QRQ CW training with MIXXX and FREE VST PLUGINS

This video demonstrates an advanced method for qrq training with MIXXX using FREE VST PLUGINS to regenerate the exact incoming cw audio tones and recreate them with a FREE software CPO called BIPPER, - filter the final audio product - for audiophile quality qrq cw morse code audio tones. As an example, an audio mp3 file was made using FABIAN's ebook2cw program and then loaded into MIXXX for playback. The unique features on MIXXX make it a versatile training tool for qrq cw training;…

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Added by Chuck aa0hw on January 16, 2014 at 8:00pm — No Comments

Filtering QRQcw audio tones with free software

The following Video demonstrates a method to filter QRQ CW morse code audio tones with free software:

 

If you are interested in trying this setup please see this video RE: JACKROUTER SETUP for WINDOWS 7…

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Added by Chuck aa0hw on January 16, 2014 at 9:30am — 3 Comments

FLDIGI OVER THE INTERNET

 

FLDIGI over the INTERNET

How to send any FLdigi digital mode over the internet to any other online FLdigi OP(s)…

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Added by Chuck aa0hw on October 28, 2013 at 3:00pm — No Comments

HOME BUILT SPARK GAP CW TRANSMITTER

Added by Chuck aa0hw on April 28, 2013 at 5:29am — No Comments

Sending morse code over the internet with EhoCW

EhoCW has just released a new version which allows for multiple instances and the option of using WASAPI AUDIO.  WASAPI AUDIO DRIVERS are almost as good as ASIO DRIVERS in regards to cw timing accuracy and low latency.  Only EhoCW has the option to select WASAPI SOUND CARDS, no other software cw keyer was found that had this feature.  Two instances of EhoCW are used and setup exactly the same to send iambic morse code to two different sound cards - one instance to…

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Added by Chuck aa0hw on March 11, 2013 at 3:42pm — 6 Comments

IMPROVE YOUR QRQ CW COPY ON YOUR COMPUTER WITH THIS FREE SOFTWARE SETUP

Improve your qrq cw copy when listening to high speed morse code on your computer with this free software method

This video will demonstrate some unique challenges and solutions, when listening to high speed qrq cw morse code audio on your computer.…

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Added by Chuck aa0hw on February 25, 2013 at 3:29pm — 1 Comment

VIRTUAL AUDIO DEVICE - VB-AUDIO VIRTUAL CABLE

VB-AUDIO VIRTUAL CABLE

This VB-AUDIO VIRTUAL CABLE worked extremely well during my tests with FLDIGI and MUMBLE.  It never…

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Added by Chuck aa0hw on February 21, 2013 at 7:00pm — 12 Comments

Using Virtual Serial Ports for Ham Radio - Dahdidah's Software CW Keyer

This video demonstrates how to bring up multiple instances of QsoNet's Dahdidah Cw Software Keyer using FABULATECH's VIRTUAL SERIAL PORT SPLITTER.  Four separate instances of Dahdidah are used  -  to hook up a cw keyboard, paddles, bug, and straight key, all at the same time.  Connections are made from your iambic paddle keyer output, cw keyboard keyer output, straight key and bug - to separate SERIAL PORT PINS : DCD, DSR, RI, CTS in order to send morse code on your…

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Added by Chuck aa0hw on February 19, 2013 at 1:00pm — 2 Comments

QRQ FRIENDS REMEMBERED - A MEMORIAL TO W3NJZ and W9LRV of the FAST OPERATORS GROUP - FOG

Friends Remembered

 

The following is presented as a remembrance of two Fast Operator Group (FOG) members.  Ken, W9LRV, passed away in January 2013, and Fred, W3NJZ, passed away in March 2012.  Those of us…

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Added by Chuck aa0hw on February 5, 2013 at 6:00am — 2 Comments

THE HI-PER-MITE ACTIVE AUDIO CW BANDPASS FILTER IS AWESOME

I recently finished building my HI-PER-MITE cw filter.  I am very impressed at how well this filter performs  It may be one of the best active cw bandpass filters I have every used.   Here are my results from testing this awesome filter:

Here is a picture of my build…

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Added by Chuck aa0hw on February 1, 2013 at 9:00am — 2 Comments

The advantage of using an ASIO SOUND CARD when using your paddles with a software cw keyer on your computer

 

 A simple test was setup to determine how much latency there was,  

 from the time you tap one of the paddle handles, 

 until you actually hear the sidetone from…

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Added by Chuck aa0hw on January 16, 2013 at 3:00pm — 19 Comments

THE RETURN OF THE QRQ CW DOS PROGRAM - CWTERM -

CWTERM was one of the top choices in qrq cw sending software during the DOS computer era.

DOS seemed to be able to take complete control over the serial port and therefore, the timing and accuracy 

was very good when sending qrq cw to your…

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Added by Chuck aa0hw on January 15, 2013 at 4:30pm — 8 Comments

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