#410: How to update the firmware on the SV4401A handheld VNA from Sysjoint / Chelegance

#412: Common Emitter Amplifier - Input and Output Impedance

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#411: Tool Tip: Not all Phillips screws are created equal - JIS vs. Phillips screws and drivers

Jun 13, 2026

#409: Ham Radio: POTA go-kit using a Hidden Woodsman M55 Haversack for the Elecraft KX2

Feb 1, 2026

#408: Distortion using Class A, B, AB and C amplifier types (by request)

Jan 22, 2026

#407: Installation of Yaesu optional 500Hz Collins Mechanical Filter in the FT-857D

Jan 16, 2026

#406: Current Regulator/Limiting Diodes (JFET) and their applications

Dec 29, 2025

HUMP DAY HAPPY HOUR

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