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Re: [TowerTalk] EFHW core

To: towertalk@contesting.com
Subject: Re: [TowerTalk] EFHW core
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Tue, 22 Sep 2020 10:04:36 -0700
List-post: <mailto:towertalk@contesting.com>
On 9/21/2020 5:11 PM, Ignacy Misztal wrote:
It s hard to be smart here without tons of experimentation.

Huh? How about studying the fundamentals? The ARRL Handbook and ARRL Antenna Book are great places to do that. NEC modeling is a great learning tool for antennas, and SimSmith is great for studying transmission lines and matching networks. There are several tutorials on my website that cover ferrites and common mode chokes. Jerry Sevick published a lot of great work on transformers using ferrite cores.

73, Jim K9YC


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