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What Ship Is That?
08 August 2009
What is that ship sailing past? Where's it heading? When is it due in port? What is its speed? How big is it? For all these questions - and many more the answer is AIS: Automatic Identification System. You may even follow it, on line, on your own computer - from anywhere!
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Review: Two Low-Cost DVD Recorders
06 July 2009
He's held onto a large library of VHS tapes for decades so Barrie Smith thought he could make good use of the Easter break by engaging with DVD recording. Here are his reactions to a Tevion DD1018 and an AWA DR711 DVD recorder.
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The Magic Of Water Desalination
01 July 2009
What do Perth, Saudi Arabia and cruise ships have in common? They all rely on desalination for fresh water. And the Gold Coast, Sydney and Adelaide are about to join the club!
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Tech Support: The View From The Other Side
24 June 2009
In the first part of this story in May SILICON CHIP Barrie Smith tipped us into the maelstrom of the funny yarns about Tech Support. Now he gets serious and investigates how the major companies handle the floods of enquiries and queries that rain upon enterprises brave enough to market their products... and daring enough to back them up with help and comfort for the buying public.
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Mal's Electric Vehicle Conversion
21 June 2009
Malcolm Faed has produced the first electric vehicle conversion using an industrial 3-phase induction motor controlled by a variable frequency, variable voltage converter. As far as we know, it is the first such road-registered DIY conversion in Australia and it is probably one of the first in the world.
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Voice Me: A Voice-Activated Remote Control
17 June 2009
VoiceMe is a voice-activated remote control. It can be used to control up to ten functions on your TV, DVD player, Home Theatre system or whatever and it can have up to four separate users. If you are one of those who often loses remote controls, it could be an attractive option.
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Digital Radio Is Coming, Pt.4
15 June 2009
In this final instalment we discuss the signal formats and give a comparison of DAB+ and DRM. Also included is a brief discussion of antennas suitable for DAB+ reception.
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How To Draw Circuit Schematics In Protel Autotrax
16 May 2009
When it comes to contributed projects or circuits, there are few things more frustrating than finding the circuit has been drawn (apparently) by "a thumbnail dipped in tar" - or near equivalent. Here's an easy way to make them look good!
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Why Calibrate Your Test Equipment?
12 May 2009
During preparation of the Precision Voltage Reference project elsewhere in this issue, we consulted with Trio Smartcal on the subject of calibration. This article gives a brief overview.
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