The open lot at the rail yard's south zone boundary was exactly what Hunter had described.
A flat expanse of compacted earth and broken concrete approximately two hundred meters square, bordered on the north by the dead track limit and on the remaining three sides by the open scrubland that separated the industrial zone from the city's southern residential boundary. No structures within three hundred meters. No active electrical infrastructure. The grid's nearest node was four hundred meters north at the active track limit.
Dayo walked the perimeter before setting up anything. He held the standard meter at each corner and noted the ambient reading. The ambient electromagnetic field at this location was lower than any reading he had taken in the city proper — only the natural atmospheric
