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The Navin miniHomer Key-Chain GPS position finder found its way to my desk promising me that I would never have to worry about where my car was parked, finding my way back to a hotel, and returning to a camping ground again. With claims like that, and with me being one that is far too famous for her own good for getting lost – i thought i should test it in at least two environments.

So how did it fare?

Courtesy of the folks at audion-mm.com we are roadtesting the ProNav PND.

This SatNav is specifically aimed at the professional truckies or anyone driving an oversized vehicle where it is important to know which roads, bridges and tunnels you can safely negotiate with your rig.  And, just as important, you need to know where all the truck stops are.

So how does the ProNav PNN-300, which comes in at a hefty AUD 799, fare in the heavyweight league?

Let's belt up and find out.

All of today's high tech equipment comes with a user manual and the more complicated a piece of equipment is the thicker the manual.  And the fewer people that will actually read that… As a result most people will not know how to properly work with their equipment --  even if their lives depended on it. And when it comes, for instance, to vital navigational equipment in an aircraft lack of knowledge can be fatal!

Today we are looking at a reference manual that addresses this problem.

Enter Qref, a company that specializes in making high quality reference material for the aviation and maritime sectors.

Today we will look at the Quick Reference for the Garmin GNS 430, arguably the most popular avionics set.

When I heard that I had the opportunity to review this small marvel of electronics, I wondered what would be the use to me. I have to go back a long time to explain my feelings to you on the subject of speed limits... and of course keeping within those limits. It's now some thirty five years ago, that I was trained to become a civil engineer. We had many lectures on road design, and it's like yesterday to me listening to one of the lecturers admonishing us: "When you drive keep within the speed limits: roads are designed to a specific maximum speed. It's for your own safety to stay within those limits!"

That stern warning has been in the back of my mind ever since, so I keep to speed limits. So why would I need an instrument that warns me of speed cameras? It's with a bit of scepticism I plugged it into the cigarette lighter, and took the GlobalTop SC-200 for a road test.

In this review I'll give you a first hand witness account of how I changed my mind, once I had the experience of going through an hour of heavy rush hour traffic in the city of the Hague, in the western part of the Netherlands.