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Rewinding the stainless steel coils with silver-plated copper wire on the JPC-7 and JPC-12 antennas

ka7oei.blogspot.com · published 31 July 2024

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Observations, analysis and field use of the JPC-7 portable "dipole" antenna Read at the source ↗

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Observations, analysis and modifications of the JPC-12 vertical antenna Read at the source ↗

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https://web.archive.org/web/20211209162019/https://owenduffy.net/calc/SkinDepth.htm

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http://w7zoi.net/twofaces.pdf

w7zoi.net

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhy0nP3UOTQWGO5vbCL769mBDYFvKyMsJOY7g6DvxqAXd-skQpLMykXwYqYrHL1wwvMD62N4InO3fyYRH8bh5ml1au2f845JLwHguecX1HaguQZ90zoc3EyWCleJgweDGNYsOOMULTyA9f81_JTge6XPZxlaKwQ9RzmREwOhASKndV2ux0A6KUh31bYSy8-/s3367/4191_measurement_1a.jpg

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https://www.worldradiohistory.com/Archive-DX/Ham%20Radio/70s/Ham-Radio-197611.pdf

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https://palomar-engineers.com/wp-content/uploads/RF-Transformer-Fixed.pdf

palomar-engineers.com

https://en.wikipedia.org/wiki/S_meter

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https://coil32.net/theory/qfactor.html

coil32.net

https://hamwaves.com/coils/en/coils.a4.pdf

hamwaves.com