Join live broadcasts at VK5RHO the last Sunday of each month at 3.30pm 146.850MHz -600kHz offset 91.5Hz tone
GPS & Doppler
Cavity Resonators their use and development
Development of Fibre Optics
Advancement of Radio Communication during WW2
Advancement of Radio Communication during WW1
The life and Achievements of Samuel Morse
Development of RADAR
The life and achievements of Marconi
