February 24, 2019

Antenna upgrades

Yesterday I upgraded the balun on my 80m Off Center Fed Dipole from a 4:1 MFJ to a Balun Designs 4:1. The new one is designed to work in compromised environments, such as over a house like mine is. Since I was already on the roof and had put up an extra pully on the thrust bearing under the hexbeam when I installed it, I used the old balun to install a 30m Off Center Fed dipole. I went with off center fed since it would fit the location of the hex beam on the roof better (as well as already having a 4:1 balun leftover from the 80m upgrade). I got this done just in time to start the NAQP RTTY contest, which will be the topic of my next post.

It’s getting crowded up there.
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