+ CG = positive cloud-to-gound

- CG = negative cloud-to-ground

+ IC = positive intercloud/intracloud

- IC = negative intercloud/intracloud

+ CID = positive compact intercloud discharge

This system is designed to track thunderstorms

it is NOT intended for protection of life or

property.

- CID = negative compact intercloud discharge

Reproduction in whole or in part in any form without express written permission is strictly prohibited.