[TowerTalk] lightning

[Tom Rauch]

> How does one determine that a direct, or even an indirect,
lightning hit has
> occurred if no damage is detected?

By visual and aural senses, as well as physical evidence
like deep pits in spark gaps or holes burned in aluminum
tubing. A direct hit is a sizzling pop that occurs exactly
in step with the flash. I can also tell because CRT's in the
house will become magnetized and lose color purity.