Guys, Don't need two 'scopes. This one for sale. $90. INSTEK OS-622G 20MHz dual trace Triggered sweep Timebase to 10 nanoseconds/div Vertical sensitivity 1 mv/div to 5 v/div Two 1x/10 probes. Used this with a homemade time domain reflectometer to check out coax runs. Pix available. 73 de Brian/K3KO