K9AY (http://www NULL.aytechnologies NULL.com/) has two new tech notes on his site.
The first is K9AY Loop Arrays — Medium Size RX Antenna Solutions (http://www NULL.aytechnologies NULL.com/TechData/K9AYLoopArrays NULL.pdf), including an expanded version of his presentation at W9DXCC (http://www NULL.w9dxcc NULL.com/).
Plus, How to Make a Great 9:1 Transformer (http://www NULL.aytechnologies NULL.com/TechData/9-to-1_XFMR NULL.htm).
Gary does a great job on this stuff. Check it out.
Scot, K9JY
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