[EricH]

Originally Posted by ebarker

that's unfortunate !!

Well, the field crew does have a network finder. Presumably, they know what the standard venue networks are, and what should be up due to the teams on the field. If there's an issue, it's not that hard to locate a network base to shut it down (or make an announcement that a given network needs to be shut down).

Sneakernet is always a viable option. Sometimes, the simplest tools are the best ones!