Started Feb 14, 2015
Started this discussion. Last reply by Chuck aa0hw Oct 1, 2021.
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QRQ CW TRANSMITTER & RECEIVER are both using HIGH Q resonant systems on their Ferrite Loopstick ANTENNAs
PROBLEM - HIGH Q will cause ringing and MUSH on the RECEIVE signal
SOLUTION - use a GATE between 2 CW AUDIO BANDPASS filters
Posted on May 16, 2022 at 10:10am
https://lsp-plug.in/?page=manuals§ion=trigger_midi_mono
https://github.com/recri/keyer
CW KEYER SETUP overview: 4 different 555 timer chip oscillators that have been set to…
ContinuePosted on May 10, 2022 at 10:47am
this video is a follow up video form the 1st one here:
this video demo's the QRQ CW high speed morse code capability
of this TTE COMMUNICATIONS SYSTEM at VLF…
ContinuePosted on April 25, 2022 at 1:10pm — 1 Comment
if you are using WEB SDR's to hear the other OP, and don't like the long delay, try setting up a local web sdr using the following video's method and the free STREAMMyAUDIO service...then you can simulcast your TRANSMIT CW SIDETONE to your headphones AND this free STREAMING SERVICE so that any other OP(s) can go to the web link on the STREAMmyAUDIO's LIVE web page and pick up your RIG's TRANSMIT CW audio in almost REAL TIME with very low delay... here is a LIVE demo of this setup in…
ContinuePosted on April 20, 2022 at 9:55am — 1 Comment
brief demo of sending QRQ CW via ULTRASONIC EMF using TWIN FERRITE BOBBIN CORE INDUCTOR COILs as the Ultrasonic EMF Emitters
Posted on April 19, 2022 at 1:29pm
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