Showing posts with label vo1na. Show all posts
Showing posts with label vo1na. Show all posts

2 Sept 2016

VLF Loading Coil

Joe VO1NA sent me a nice photo of his VLF loading coil (8.277kHz), which I have copied here. For those carrying out radiated tests at VLF you have to be able to wind big coils!  Sadly, the top coil arced in testing and had to be rewound.
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