I just posted my second post on the RAC Amateur Radio Course I'm taking. Our second class was yesterday, covering the basic physics of electricity and electromagnetism, insulators, conductors and electromagnetism. Check it out:

https://dougnix.net/2025/09/22/step-by-step-2nd-class/

#HamRadio #Canada #Radio #LifeLongLearning #RAC #KWARC #AVARC