QSO QRQ CW using 17 Khz CW VLF RF over ip by a Gstreamer OPUS CODEC script to a Remote VLF TX antenna

Experimental Morse Code QRQ CW setup over ip to send VLF RF CW at 17Khz using the OPUS AUDIO CODEC - to a remote TRANSMIT ANTENNA located at the other OP's QTH... the other OP receives the VLF TX RF using a small FERRITE BOBBIN CORE INDUCTOR COIL antenna hooked directly to their PC Mic or Line, soundcard input

the 17Khz CW TX/RX by the antennas, is converted to 735 hz CW by the TRIGGER MIDI MONO app and the AD5DZ CW KEYER APP

here is an example of the TRANSMIT / RECEIVE Gstreamer scripts
gst-launch-1.0 -v jackaudiosrc ! "audio/x-raw,channels=1" ! audioconvert ! opusenc bitrate=128000 ! rtpopuspay ! udpsink host=(EXTERNAL IP ADDRESS OF THE OTHER OP) port=2002
gst-launch-1.0 -v udpsrc port=2002 ! "application/x-rtp, media=(string)audio, clock-rate=(int)48000, encoding-name=(string)OPUS, sprop-maxcapturerate=(string)48000, sprop-stereo=(string)0, payload=(int)96, encoding-params=(string)2" ! rtpopusdepay ! opusdec ! audioconvert ! jackaudiosink

Views: 12


You need to be a member of QRQcw to add comments!

Join QRQcw

© 2021   Created by Chuck aa0hw.   Powered by

Badges  |  Report an Issue  |  Terms of Service