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An aircraft warning beacon Pickering, George Robert

Abstract

The Canadian Ministry of Transport recommends that powerline crossings on river valleys be marked by white flashing lights. In remote areas a power supply for these lights can be difficult to obtain. A warning beacon system which uses the leakage current of semi-conductive glaze insulators to power a capacitive discharge flashtube is described. Consideration is given to the relevant characteristics of flash tubes and semiconductive glaze insulators. Tests which have been conducted to confirm the viability of the system are described.

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