Started Feb 14, 2015
Started this discussion. Last reply by Chuck aa0hw Sep 25, 2017.
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this video demo's using an old 1 CPU laptop as an AFCW mode, QRQ CW KEYBOARD KEYER for an ELECRAFT K3S by using the K3S USB SOUND CARD and AFCW MODE, for keying QRQ CW with the AD5DZ software CW KEYBOARD into the K3S USB SOUND CARD's LINE INPUT...the K3S VOICE VOX CIRCUIT menu setting is "ON"
the old laptop is using the latest release of…Continue
Posted on January 3, 2019 at 12:57pm
LIVE DEMO of remote rig operations for CW using a software CW KEYBOARD, PADDLES and a STRAIGHT KEY at the remote site, as well as VOICE from the REMOTE LOCATION....
The ELECRAFT K3S has its own USB SOUND CARD, it will be used for AUDIO OVER IP and SERIAL COMMANDS over IP
to send and receive audio between the RIG and the REMOTE…
Posted on December 27, 2018 at 12:00pm
Even at 8.3 ms RISE and FALL time, as was used in this test setup, which is even more than the usual COMMERCIAL RIG's RAISED COSINE WAVE SHAPE, the amount of CW EDGE NOISE harmonic energy that you will still transmit above and below the actual CW PITCH, when sending at QRQ CW - say at 90 wpm, is shown here in this Spectrum Analyzer view below:…Continue
Posted on December 23, 2018 at 8:30am
brief demo of what QRQ CW morse code audio tones sound like using the FLAC AUDIO CODEC on Gstreamer Pipelines
NOTE: the QRQ CW AUDIO you are hearing, if what the FLAC encoded CW AUDIO sounds like after decoding it finally on the LAPTOP(Lubuntu 18.04)
the QRQ CW AUDIO stream starts on the LAPTOP goes to the PI over wired Ethernet,…Continue
Posted on December 18, 2018 at 11:00am
test by sending a QRQ CW test file from TOM's W4BQF famous article:
software CW KEYBOARD by AD5DZ:
Posted on December 12, 2018 at 10:07am