Category: Electronics

Nov 16

Amateur Radio: Dissipating Static Electricity on wire Antennae

We’re trying to get my friends station setup complete. We got his radio installed, and an End Fed Half Wave (EFHW) 40-20-15-10M antenna installed. The problem is that electrical noise is fairly bad on it, and he can hardly hear some signals. One solution to this is to make an RF Choke out of extra …

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May 19

Build A 70 Amp Arc Welder

In this post my intent is to show you the original tutorial that I used to build my 70 amp arc welder (pictured left). I built it myself using Microwave Oven Transformers. I intend to build another one this year and will use these instructions again. Since the original site, aaawelder.com is offline, I utilized …

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