Weatherproofing homebrew GPS kit (part 2)

By taping it to the underside of an umbrella. On a gloriously sunny afternoon.

This afternoon I spent an hour wandering around the picnic-ers and sunbathers in Holland Park whilst carrying an umbrella.

During that time one child exclaimed loud enough and close enough for me to engage him in conversation (and an explanation); one woman gave me a look and a smile; and two men who had just thrown a stone at a pigeon told me it wasn’t raining. The latter also got an explanation.

On this occasion, the explanation has something to do with this.