using very HIGH Q CW audio bandpass filters to help extract QRQ CW from a VLF 8Khz ENB-CW TX signal

the high Q of 2 dsp CW AUDIO BANDPASS filter in series helps greatly to extract the ENB-CW modulated 8Khz carrier VLF Transmitter's signal

high Q CW BANDPASS filters otherwise would cause terrible ringing for CW; however, in this case... it actually helps

for more info on ENB-CW please see the playlist here:

https://youtube.com/playlist?list=PLfFan4sDonOf2O3s6PKh4fnDhEXrRaBut

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