Why do amateurs keep banging on about their antenna? What is there to learn that can't be described in the first 30 seconds of your on-air adventure? This week I look at what happens if you move the feed point in a dipole to get some insight into this seemingly crazy phenomenon. 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've run out of episodes to listen to, check out the previous series: "What use is an F-call?" which looks at Amateur Radio from the perspective as a beginning member of the community holding an Australian Foundation license. Onno VK6FLAB