Original poster: "Mike Veldman by way of Terry Fritz <twftesla-at-qwest-dot-net>" <vmike-at-email.ceat.okstate.edu> >I am looking at a device for sale called a TEK 1480 R Waveform Monitor. A 1480R is a rackmount video waveform monitor, designed to display the various nuances of the video signal. Not of much use in a tesla coil application. mike