VLF QRQ CW Transmitter: keying a TLC551 [sq, wave osc.] to CLASS D audio amp to high Q Ferrite Resonant Antenna

this is a follow up video from the 1st one here:

for more info on the VLF TRANSMITTER SETUP see this video's description:


in this video, an MFJ451 CW KEYBOARD keys the TLC551 at QRQ speeds

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