QRQ CW OPs - copy QRQ CW using your hearing aid telecoils & this DIY Telecoil CW AUDIO transmitter

[Chuck aa0hw]

see previous video for this telecoil transmitter for more info in the 1st video description notes https://youtu.be/L1OmVx4mxU8

uses 2 ferrite bobbin core inductor [telecoil transmitter] coils... something like one of these from: https://www.parts-express.com/search?keywords=Ferrite%20Bobbin%20Co...