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Contents Vol.17, No.6; June 2004 www.siliconchip.com.au FEATURES 8 Instrument Landing Systems: How They Work How do commercial aircraft find the right landing point on the right runway in all sorts of weather? – by Daniel Field 18 Review: Microsoft Flight Simulator 2004 Want to learn to fly? You don’t have to leave the ground and you can fly lots of different aircraft – by Ross Tester 35 Review: Encarta 2004 Multimedia Encyclopaedia Latest offering from Microsoft packs more than an equivalent 60-volume printed set onto a single DVD (or four CDs)! 76 How Much Power Are Your Appliances Using? Want to check the power consumption of your appliances? Power-Mate makes it easy and you can check lots of other things as well – by Peter Smith Dr Video Mk.2 – Page 24. RFID Security Module – Page 38. PROJECTS TO BUILD 24 Dr Video Mk.2: An Even Better Video Stabiliser Clean up those copy protection “nasties” and get a rock-solid picture from your DVD player or VCR – by Jim Rowe 38 An RFID Security Module No more codes and no more keys; just wave a key tag to open doors and control security systems – by Peter Smith 59 Fridge-Door Open Alarm It beeps if the fridge door is left open for too long or hasn’t closed properly, to stop food from spoiling. There are lots of other uses as well – by John Clarke 71 Courtesy Light Delay For Cars Simple circuit has an adjustable delay from 7-40s and fades the lights out at the end of the delay period. And the same circuit suits all cars – by John Clarke 77 Automating PC Power-Up Tired of pressing the power switch to boot your PC after mains power has been applied? This simple modification does the job for you – by Peter Smith 82 Upgraded Software For The EPROM Programmer It fixes the bugs and can be downloaded from our website – by Jim Rowe SPECIAL COLUMNS 54 Serviceman’s Log TV sets that buzz and hum – by the TV Serviceman 64 Circuit Notebook Fridge Alarm – Page 59. (1) Voice Bandwidth Filter; (2) Fluoro Ballast; (3) Surveillance Camera Recorder; (4) Experimental Pendulum Clock; (5) Handy Time Delay With Relay Output 84 Vintage Radio Restoration tips and techniques – by Rodney Champness DEPARTMENTS 2 4 53 79 81 Publisher’s Letter Mailbag Order Form Product Showcase Silicon Chip Weblink siliconchip.com.au 90 92 93 96 Ask Silicon Chip Notes & Errata Market Centre Ad Index Courtesy Light Delay – Page 71. June 2004  1