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

#412: Common Emitter Amplifier - Input and Output Impedance

Jun 28, 2026

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

Jun 13, 2026

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

Mar 1, 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

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

Dec 29, 2025

Pebble HF Shipping Update #hamradio #microcontroller #electronic #3D

Ham Radio Duo

David N4DW | First QSO of the Activation

Every POTA day is a Great Day! Randy, N5ilq

Challenger Failed? Time for the POTA Performer!

Every POTA day is a Great Day! Randy, N5ilq

Time and Weather 12 and 24 Hour Time for ASL3

Ham Radio Crusader

Progress: FT8 on Pebble HF with FT8CN. #hamradio #pebblehf #pebble #ft8 #ft8cn

Ham Radio Newbie

POTA Challenger! It’s a great and simple antenna to make.

God, Country, and Ham Radio