All Blog Posts (187)

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 glitched…

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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 rig…

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Added by Chuck aa0hw on January 15, 2013 at 4:30pm — 7 Comments

UPDATED and UPGRADED, NEW VERSION OF FABIAN's EBOOK2CW IS OUT

ebook2cw - convert ebooks to Morse

Current version:ebook2cwgui version: 0.1.1 - January 6th 2013

Here are the settings that I found, showing in the ADDITIONAL PARAMETERS options,

for making good quality CW mp3 files out of text.

Please see FABIAN's webpage for further instructions HERE

0…

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Added by Chuck aa0hw on January 6, 2013 at 1:30pm — 1 Comment

Clean up the audio on any WEBSDR WEBSITE online receiver with this free DSP software setup.

This video will demonstrate a free software setup to get rid of the audio distortion you hear when listening to any of the WEBSDR websites, since they have bandwidth limits and have to use low sample rates for their audio streaming.

This same method will also help to clean up your own RIGs audio, or even an mp3 or wave file of some morse code recording.

 

 HERE IS THE LINK TO THE VIDEO:

FREE…

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Added by Chuck aa0hw on December 31, 2012 at 12:30pm — 1 Comment

Test results of sending qrq cw sending over GOOGLE VOICE

I tested GOOGLE VOICE today to see how it would perform for sending and receiving qrq cw audio tones.  The cw sending software was FLdigi.  With the help of a free dsp software VSTplugin filter called:
 
THE ENGINEERS…
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Added by Chuck aa0hw on August 12, 2012 at 3:30pm — 2 Comments

Qrq cw qso via an internet remote keyed rig using all free software

Using the following free software, I was able to use my laptop and mouse to send iambic cw and FLdigi qrq to an internet remote controlled icom 735:

1, Fldigi…

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Added by Chuck aa0hw on January 27, 2012 at 7:00am — 1 Comment

P1PAD touch paddle

Hello,

If some one is interested in touch paddle's, he/she can find my article on the following link:

P1PAD article by S57WJ

73! Gabor, S57WJ

Added by Gabor Szekeres on January 9, 2012 at 3:14pm — 1 Comment

Good website to practice qrq speed typing of the most common English words

This is a fun qrq typing high speed online free game with scoring etc...

very good for testing your qrq typing speed and discovering which of the most common English words you might need some more practice with for typing speed and typing accuracy in general

- and you just type the word, no punctuation is used on any of the words -…

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Added by Chuck aa0hw on December 31, 2011 at 8:14am — 1 Comment

Keyboard/keyer by W5UXH

I thought I would share this video with you guys. http://youtu.be/HGXlhUWfwkA

I hope you will enjoy it.

73 Imi HA7AP

Added by Imre Forro HA7AP on December 17, 2011 at 1:59am — No Comments

Good presentation of the CW MACHINE by Bengali

FROM:…

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Added by Chuck aa0hw on May 29, 2011 at 5:30am — 1 Comment

Nice article about the inventor of the MERCURY PADDLE - Steven Nurkiewicz - N2DAN(sk)

Interesting article about the creator of the MERCURY PADDLE

- N2DAN(sk)  Steven Nurkiewicz,

HERE…

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Added by Chuck aa0hw on April 18, 2011 at 6:29am — 2 Comments

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