1 Mar, 2007

Radio transceivers designed for use with the Royal Flying Doctor Service (RFDS) are now scarce but well worth collecting. My EILCO RFDS radio transceiver is one recent acquisition that I've been able to fully restore.

3 Mar, 2007

Variations of the original mousetrap

5 Mar, 2007

Silicon. One of the Earth's most prolific substances, yet so important in our 21st century lives - from computers to disc technology - and glass.

7 Mar, 2007

9 Mar, 2007

11 Mar, 2007

Need a source of very accurate 10MHz and 1MHz signals for calibrating frequency counters, radio receivers and signal generators? Here's just what you need: a frequency reference which is linked to the Global Positioning System (GPS) satellites, to take advantage of their highly accurate on-board caesium-beam "atomic clocks".

13 Mar, 2007

Want to program the ignition timing on your car? Now you can, with this completely new design. It can be used in older cars which presently do not have electronic ignition or used as an "interceptor" for cars with engine management systems.

15 Mar, 2007

While its origins were in the 19th century, it is widely recognized that radio - and in particular broadcast radio - was one of the most significant developments of the 20th century.

17 Mar, 2007

Second article completes the construction & gives the set-up procedure

19 Mar, 2007

Here's one of those really handy little projects that will cost very little but make life a whole lot easier when you want to measure voltage and current at the same time.