What do push button telephones have to do with Amateur Radio and how we use this technology every day and more importantly, how does it work? Foundations of Amateur Radio is a weekly podcast about anything ham radio and can be downloaded from http://podcasts.itmaze.com.au/ and found on iTunes by searching for VK6FLAB. If you'd like to hear about the expedition to Heard Island, check-out the series of interviews I did with the entire VK0EK team after their return to Western Australia. Onno VK6FLAB