Some of the CTU presentations are now available on YouTube

Low Band Receiving Antennas by W3LPL

Improving your Transmitting Antennas for Solar Cycle 25 by W3LPL

Improving the Competitiveness of Your Station by W3LPL

The ND7K Contest Station, Teamwork and Multi-operator Innovations by N6WIN

Grounding and Bonding by N0AX

Antennas and Propagation Questions and Answers by W3LPL

Optimizing your Receiver Performance by NC0B