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What’s the Deal with 50-Ohm and 75-Ohm Coax Cable?

michaelm December 20, 2016December 20, 2016 Editor's Picks, Ham Radio

Have you ever wondered this? I've built dozens of dipoles, a couple of loops and at least one Moxon antenna for ham radio work, but when I started out I had a hard time visualizing this whole impedance thing. I stumbled across this video on YouTube the other day that provides

Here’s a Real Cutover System Upgrade

michaelm December 13, 2016December 13, 2016 Editor's Picks

I've been through a number of major software releases as a team member or project manager in my career. There have been many "cutover weekends", "cutover evenings" and even "cutover hours" as the team I was part of deployed new software into production. Many of you have been part of

Do you remember Bubble Memory?

michaelm December 8, 2016December 8, 2016 Editor's Picks

Bubble Memory was one of the most promising technologies in the late 70's and the hype at the time was that it would be the dominant form of computer memory in the late 80's and 90's, when all home computers would be equipped with literally MEGABYTES of the stuff. One

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