Jason used computerized radio scanners .
Jason was able to demonstrate that Popoff 's wife was using a wireless radio transmitter to broadcast information that she and her aides had culled from prayer request cards filled out by audience members .
Using computerized radio scanners , Jason was able to demonstrate that Popoff 's wife was using a wireless radio transmitter to broadcast information that she and her aides had culled from prayer request cards filled out by audience members .