Ham College 139

9 May 2026 | by George W5JDX  |  Share |   |  Leave a Comment (0)


Ham College episode 139 is now available for download.

Technician Exam Questions Part 26 of 26
T0A – Power circuits and hazards: hazardous voltages, fuses and circuit breakers, grounding, electrical code compliance, Lightning protection; Battery safety.
T0B – Antenna safety: tower safety and grounding, installing antennas, antenna supports.
T0C – RF hazards: radiation exposure, proximity to antennas, recognized safe power levels, radiation types, duty cycle.

https://hamcollege.tv

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George Thomas, W5JDX, is co-host of AmateurLogic.TV, an original amateur radio video program hosted by George Thomas (W5JDX), Tommy Martin (N5ZNO), Peter Berrett (VK3PB), and Emile Diodene (KE5QKR). Contact him at [email protected].

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