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Mike's Tech Blog
Hello and welcome to Mike's Tech Blog. These tech notes are often the result of my attempts to set up or install something. Often after many hours of searching the internet, and collecting bits and pieces of information

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Ham Radio
Bond Ground Rods with Exothermic Welding | Print |  E-mail
Antennas

At work, I recently put in a ground system for our new translator, which requires a good ground system. A critical part of that is properly bonding the copper ground wires to the ground rod. The best way to do that is exothermic welding.

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Build a 2 Meter Vertical Antenna | Print |  E-mail
Antennas

I needed to replace my old 2 Meter 1/4 wave vertical antenna for the 146 mHz. amateur radio band. The old one had lost its radials and I wasn't able to hit the various amateur radio repeaters around. So being one who likes to build antennas, here is what I came up with.

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How To Build a Phasing Harness for Stacking Antennas | Print |  E-mail
Antennas

Coax Phasing Harness for antennas Recently at work, I had the opportunity (or need) to make a phasing harness for a two bay antenna. But I had a problem. I found on the web a few years back how to do this for my particular antenna situation, but now the web page was gone! So I had to figure it out on my own. After many hours of looking through my (very poor) notes, I figured it out.

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2 Meter Turnstile Antenna For Amateur Satellite Communication | Print |  E-mail
Antennas

Here are construction plans of a Turnstile antenna that I use for space communication on the 2 meter amateur radio band. Specifically for 145.80 mHz.

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2 Meter Antenna for Bicycle Mobile Operation | Print |  E-mail
Antennas
Perhaps the biggest problem with taking your HT bicycling is coming up with a decent antenna on your bicycle. This is because the bike doesn't provide much of a ground plane.
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