16.6kHZ tuned Ferrite Rods TRANSMIT ANTENNA array for sending QRQ CW on the VLF BAND - LIVE demo

[Chuck aa0hw]

qrq cw from a CW KEYBOARD by RECRI KEYER on a RASPBERRY PI 4 to a Behringer UCA222 to a CLASS D AMP to the FERRITE RODs ANTENNA ARRAY

https://github.com/recri/keyer