Chuck aa0hw's Blog – November 2016 Archive (4)

Extreme QRQ CW sending(keying) with the ELECRAFT K3 - 200 wpm with incredible accuracy and performance

Using LINUX MINT 17.3 and some free DSP AUDIO LV2 Linux is possible to get better cw keying on your Elecraft K3 and more versatility by bringing in the ability to use your ST KEY and IAMBIC PADDLES ... while preserving fast QSK full break in.

This is done by using AFCW A2 CW MODE and injecting a CW AUDIO TONE into the…


Added by Chuck aa0hw on November 22, 2016 at 11:30am — 1 Comment

Make your own high performance QRQ CW KEYBOARD with the RASPBERRY PI

This video demo's a Raspberry Pi being setup as a high performance morse code cw keyboard that keys a rig with just the analogue audio output sound card of the pi...where the pi's audio output goes to 2 individual audio derived cw keying circuits which in tandem key both the PTT first on the K3 and then the CW JACK on the…


Added by Chuck aa0hw on November 18, 2016 at 4:53pm — No Comments

QRQ CW on the Raspberry PI - demo of WA0EIR's QRQ CW KEYBOARD app - TWQRQ

Brief demo of TWQRQ(by WA0EIR), running on a Raspberry PI2b

- qrq cw sent at 75 wpm, text is from w4bqf's famous article:

for more info and to request the latest beta version of TWQRQ please write…


Added by Chuck aa0hw on November 14, 2016 at 11:55am — 1 Comment

QRQ CW on the Raspberry Pi - demo of sending & receiving Morse Code tones over Mumble on iCW

This video demos a - low cpu use - software setup - for sending and receiving morse code over Mumble Voice Chat on iCW using only the single analogue audio output of the Raspberry Pi the bcm2835 alsa sound card(output only)

NOTE: Raspbian Debian Jessie is the OS for this RazPi2b

for the lowest CPU use and…


Added by Chuck aa0hw on November 9, 2016 at 2:00pm — No Comments

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