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Ham College episode 92 is now available for download.

Extra Class Exam Questions – Part 30.
E7A Digital circuits: digital circuit principles and logic circuits, classes of logic elements, positive and negative logic, frequency dividers, truth tables.

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AmateurLogic.TV Episode 172 is now available for download.

A super cheap Hotspot. Thrifty Old Digital Update Roundup. Modding Pi-Star to include M-17. DVMega Globetrotter opens up your digital possibilities.

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Ham College episode 91 is now available for download.

Extra Class Exam Questions – Part 29.
E6F Electro-optical technology: photoconductivity, photovoltaic devices, optical sensors and encoders, optical isolation.

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AmateurLogic.TV Episode 171 is now available for download.

Field Day up North. Field Day down South. A Rockin Field Day out West. Cheap Old Field Day segment. An Apocalyptic Field day.

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Ham College episode 90 is now available for download.

Extra Class Exam Questions – Part 28.
E6E Analog ICs: MMICs, IC packaging characteristics

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AmateurLogic.TV Episode 170 is now available for download.

When it comes to finding the best value at a hamfest, no one sniffs out the bargains like the Cheap Old Man. Follow George and Emile as they explore Hamvention 2022. Mike continues his controversial discussion with ‘To Ground, or Not To Ground’. Tommy shows how to use ‘Terminal Mode’ for easy D-Star network communications without a repeater or hotspot.

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Ham College episode 89 is now available for download.

E6D Toroidal and Solenoidal Inductors: permeability, core material, selecting, winding, transformers, piezoelectric devices

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