Okay, I've found out from PolyPhaser that the lightning arrestors on the network referred to in this thread I posted recently were *not* installed correctly. The current setup has the towers grounded ...

Radio World Engineering Extra’s Aug. 9 issue featured an article on grounding by David Brender and was a good start for understanding the right approach to system grounding at a facility. Let me ...

The NEC distinguishes between surge arresters and transient voltage surge suppressors (TVSSs), yet both provide surge protection. What's the difference between them? Surge arresters generally apply to ...

Ceramic base with two brass lugs, original tag. Molded on top: "Aerial / Fleron Radio / Sentinel / Lightning Arrester / Ground"; on back: "Underwriters / Approval E-7191 / Nu-Blac / 17". M. M. Fleron ...