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HB9CV

Building my home-made HB9CV antenna.

The HB9CV antenna was developed by the Swiss radio amateur Rudolf Baumgartner HB9CV in the 1950s.

The HB9CV allows for reasonable gain, a good front / rear gain ratio, and most of all: reasonable dimensions . It…

Photo by Ali A. Reihani

I stumbled upon this moth in the garden.

Utetheisa pulchella, the crimson-speckled flunkeycrimson-speckled footman, or crimson-speckled moth, is a moth of the family Erebidae. The species was first described by Carl Linnaeus in his 1758 10th edition of Systema Naturae.…