The DXZone.com Amateur Radio Internet Guide
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Tuning Antenna Traps
Posted:
https://www.dxzone.com/dx33955/tunin...nna-traps.html
Antennas/Traps
The problem with making your own trapped HF antennas is usually getting the
coaxial traps tuned to frequency. This article explains a method using a RF
signal generator at +10dBm output into the coaxial trap.