The following collection of pages may be considered a little beyond some of us, and so has been group together. However feel free to browse and have a look.

A Broken Filter

The Lady Margaret

Xtal Ladder Filter (I)

Xtal Ladder Filter (2)

Xtal Ladder Filter (3)

Xtal Ladder Filter (4)

80m bandpass filter (1)

80m bandpass filter (2)

80m bandpass filter (3)

An ESR meter

A “Dead” Video Card?

OAJ Towers

Technical Pages

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