===== Ham College 105 - Extra Class Exam Questions – Part 43 ===== **Released: September 30, 2023** **Show Hosts** * George Thomas (W5JDX) * Tommy Martin (N5ZNO) **Topics** E8D Keying defects and overmodulation of digital signals, digital codes, spread spectrum. Runtime(57:59) **Questions** - E9A01 - E9A02 - E9A03 - E9A04 - E9A05 - E9A06 - E9A07 - E9A08 - E9A09 - E9A10 - E9A11 - E9A12 - E9A13 **Watch** * Download http://www.amateurlogic.tv/downloads.htm * https://youtu.be/YNTcm2zYYEU **Sponsors** * Icom America http://www.icomamerica.com