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Contents Vol.28, No.10; October 2015 Australian Concept Electric Vehicle – Page 30. www.siliconchip.com.au Features   12  What Is Computational Photography? There have been dramatic advances in photography, imaging techniques & image processing software in recent times. But arguably the most exciting is the ability to create images that a normal camera is not naturally capable of producing – by Dr David Maddison   22  A Large Real-World Hybrid Solar System Conventional (grid-tied) solar power systems deliver no power to the household when the grid fails. But if you have a hybrid solar system, you can produce your own electricity and you can even have “solar generated” electricity at night. We recently took a look at one such system in Yass, NSW – by Leo Simpson   30  Immortus: Australian Concept Electric Vehicle Imagine an electric vehicle that never requires plugging in . . . all its power comes from roof and bonnet-mounted solar panels. If a Melbourne start-up turns its “Immortus” concept into a production vehicle, that’s exactly what will happen – by Ross Tester Ultra-LD Mk.4: 110W Version – Page 32. Pro jects To Build   32  Ultra-LD Mk.4 Power Amplifier, Pt.3: 110W Version Pt.3 this month has the full details on a lower cost 110W version. We also describe the power supply & the setting up procedure – by Nicholas Vinen   54  An Arduino-Based USB Electrocardiogram This easy-to-build Arduino project will let you take your own electro­cardiogram (ECG) and display it on a laptop PC. Use it to check, save & print the electrical waveform generated by your heart – by Jim Rowe Arduino-Based USB Electrocardiogram – Page 54.   72  A 5-Element Antenna For Better FM Reception Is your FM reception poor? Does the music sound distorted? If so, build this 5-element Yagi antenna which is designed specially for the FM band. You’ll be amazed at the difference it makes – by Leo Simpson   78  2-Way Crossover For Senator 10-Inch Loudspeakers Second article on our new Senator 10-Inch Bass Reflex Loudspeaker System shows you how to build & install the crossover network. The assembly is all on a PCB, so it’s easy to put together – by Leo Simpson & Allan Linton-Smith Special Columns 5-Element FM Yagi Antenna – Page 72.   66  Serviceman’s Log Putting on the deer-stalker & playing detective – by Dave Thompson  82 Circuit Notebook (1) UHF-Switched GPS Guidance System; (2) 24-Pattern LED Chaser Display   86  Vintage Radio AWA 1946 Fisk Radiola Model 92 – by Associate Professor Graham Parslow Departments     2  Publisher’s Letter   4 Mailbag  53 Product siliconchip.com.auShowcase   84  SC Online Shop   91  Ask Silicon Chip  95 Market Centre  96 Advertising Index 2-Way Crossover For Senator 10-Inch Loudspeakers – Page 78. October 2015  1