December 2017 Blog Posts (4)

Transmit QRQ CW on your RIG in AFCW MODE - some advantages and tips on getting it to work well for qrq sending

click on the YOUTUBE icon at the bottom of any video in this 6 part series that you are interested in to see its discussion notes and links

One of the advantages of sending CW this way, is that you can send a very customized and optimized cw waveshape that has extremely low distortion and harmonic energy... extremely low key…

Continue

Added by Chuck aa0hw on December 11, 2017 at 4:10pm — No Comments

Monitoring your SIDETONE from your MIC or LINE INPUT in Near Zero Low Latency delay using JACKROUTER

test results are shown(no sound on video) for hitting a lever that sends a TONE into the mic input jack of a laptop...a separate USB RECORDING MIC is placed at an equal distance from from both the LEVER and the SPEAKER (ABOUT 6 inches to mic from both the lever and the speaker) the MIC measures the TAP sound when hitting the LEVER and the final…

Continue

Added by Chuck aa0hw on December 4, 2017 at 12:00pm — No Comments

CW AUDIO FILTER wars - The EngineersFilter - VS - MOD, CALF, & GLAME audio bandpass filters

Robin Schmidt's EngineersFilter is a remarkable software APP audio bandpass filter VST PLUGIN...this video demo shows a test to compare how well just ONE FILTER APP can take out all the harmonics of a harsh square wave CW SIDETONE...AND...output a MORSE CODE AUDIO NOTE waveform that looks the closest to a raised cosine edged CW…

Continue

Added by Chuck aa0hw on December 4, 2017 at 9:03am — 1 Comment

Build a Morse Code CW SINE WAVE OSCILLATOR that sounds as good as FLdigi using FREE software

This is a QRQ CW COPY TEST - to see how close I could match the great sound of FLdigi's QRQ CW with a custom cw sine wave oscillator - built up by using AMsynth and the GLAME BANDPASS FILTER...NOTE: since you can not externally KEY FLdigi... i had to search for another way to be able to key CW manually/externally - from PADDLES, KEYBOARD or…

Continue

Added by Chuck aa0hw on December 2, 2017 at 4:44pm — No Comments

Monthly Archives

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

Please consider making a donation today to help us pay for this website and keep QRQcw alive and growing
BALANCE:

We have received  $250 of the $250 needed for the Ning website fee due 8-1-2018

  *  THANKS FOR

   YOUR SUPPORT  * 

© 2018   Created by Chuck aa0hw.   Powered by

Badges  |  Report an Issue  |  Terms of Service

Offline

Live Video