"Perhaps," he answered.
"Well, it is," she said. "Unless we're in different Central Cities."
"Central City, New Mexico, eighteen miles from Albuquerque?"
"That's it. But we have little time, really, because we didn't get the clear as soon as we asked for it. They hung over a bit—the commercials, I mean."
"Commercials?" he asked. Dumfounded, he began to wonder. Commercial, in radio parlance, meant any transmitter on the air for commercial purpose and the presupposition that this system of communications must be quite well known.
How then had Ed Bronson, an electronics engineer, managed to live through the commercialization of an entirely new field of communications?
"The commercial laboratories," she said.
"Oh? Then this is a laboratory experiment?"
"More than that—"
Bronson heard with dismay the first thin whistle resume.