w2aew

Hands‑on test & measurement for hobby electronics and RF equipment, with instrument overviews, firmware updates and practical measurement demonstrations (e.g., VNAs, TinySA, directional couplers). Also focused on ham‑radio practicalities and gear: transceiver mods and installations, portable/POTA go‑kit setups and performance checks, plus circuit/component explanations relevant to radio and RF hobbyists (JFET/VFET, amplifier classes, regulator diodes).

Channel stats

Calculated from videos published in the last 12 months

1 video every 28 days

Publishing pace

Irregular

Publishing regularity

9 min

Average video duration

10 min

Published time per month

More channelsScience & Technology All channels in English View on YouTube

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Latest videos

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

March 1, 2026

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

February 1, 2026

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

January 22, 2026

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

January 16, 2026

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

December 29, 2025

#405: Using TinySA Ultra to measure keyer speed of a Kenwood TS-890S transceiver

December 13, 2025

#405: The CurveBug - a dual octopus style debugging tool from VintageTEK

November 10, 2025

#404: The VFET is a JFET that thinks it is a Triode vacuum tube - aka Static Induction Transistor

October 24, 2025

#403: Measuring a Directional Coupler with a SV4401A VNA

September 10, 2025

#402: Overview of the Sysjoint SV4401A Vector Network Analyzer from Chelegance

August 23, 2025