It was possible that the intermittent signal was meant to reach Joe's cell.

The intermittent signal caught his eye, but he ignored it-the symbol did not return, and it wasn't accompanied by an audio warning tone.

We still have intermittent signals from those weapons, but they are much closer to the neutron star on the system's edge.

It automatically broadcast an intermittent signal that allowed its position to be accurately plotted even if Brickman failed, or decided not to make contact.

The Shadow's keen eyes spotted that intermittent signal.

It is most noticeable on any intermittent signal.

The distorted and intermittent signal had no clear message, but it filled Andy Quam with fear.

That was an intermittent signal promised by The Shadow.

I believe it is sending an intermittent signal.

But there was a signal: intermittent and on a repeating automatic vox-burst.