Jeff Johnson VK4XJJ – Video Presentation
Jeff Johnson VK4XJJ’s presentation at the WIA AGM dinner, talking about his use of Amateur Radio while walking
Russell Williams – Frequency Assigner Presentation
Tech Talk presentation at GCARS club on April 27th 2019, by Russell Williams. The subject was Frequency Assigning for ACMA, and the calculations with Intermodulations, Harmonics, and Image Frequencies