Comment by Chuck aa0hw on April 4, 2021 at 6:45am

QRQ CW NET on 40 meters - recorded LIVE from an Elecraft K3S on 4-03-2021

Comment by Chuck aa0hw on October 25, 2021 at 2:12pm

Here is some QRQ CW practice that lets you choose the speed you want to copy.  11 different CW signals on one youtube video audio output....use your soundcard SDR to demodulate from its VLF to your CW AUDIO

see video description notes on the youtube site for this video - for more info...

Comment by Chuck aa0hw on November 9, 2021 at 9:17am

Here is a recording of a QRQ CW net on 40 meters, on 11-09-2021 

(recorded by Audacity from an ELECRAFT K3s Receiver)

Comment by Chuck aa0hw on November 30, 2021 at 10:28am

Here is a QRQ CW NET that took place on 40 meters on 11-30-2021

Comment by Chuck aa0hw on December 18, 2021 at 3:46pm

QRQ CW copy practice from a DIY Submarine ELF QRQ CW Transmitter:

Comment by Chuck aa0hw on January 13, 2022 at 12:28pm

Here is a recording from an Elecraft K3S Receiver, of a QRQ CW net on 40 meters that took place on 1-13-2022

Comment by Steve Steltzer on January 16, 2022 at 5:51pm

Very good recording Chuck. If Jerry would have been just a bit louder it would have been perfect! 

Comment by Chuck aa0hw on February 14, 2022 at 2:46pm

unixcw - cw package - demo of sending a QRQ CW text file at 60 wpm

Comment by Chuck aa0hw on July 12, 2022 at 7:44am

New online source for listening to QRQ CW QSO nets... check out the archive of QRQ CW "CRSnet"s here:

Comment by Chuck aa0hw on August 3, 2022 at 11:59am

QRQ CW net on 80 meters & simulcast over SONOBUS on 8-3-2022 - REMIX from original & RE-recorded

original recording available here:

CRSnet.mp3 (Aug 03, 2022 11:47:29 UTC)

Comment by Chuck aa0hw on December 23, 2022 at 1:45pm

CW COPY by ear PRACTICE on the iCW Mumble Server -

29 speeds from 20 to 105 wpm - use SDR to choose

brief demo of sending 29 different VLF signals at 29 different speeds into ROOM 5 of the iCW Server's Mumble Room 5

a pi4 mumble client is using QUISK SDR to choose which signal to listen to (mumble output is sent to QUISK SDR input)(virtual audio cable, in this example snd-aloop alsa loopback cable is being used mumble sends out on alsa loopback cable hw:0,1 and and QUISK SDR input is picking up mumble's VLF output on alsa loopback cable hw:0,0)

unixCW's CW program is being used 29 times to send CW at different speeds in continuous repeat mode to the mumble input at 29 different VLF frequencies


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