J Forster wrote: > Does anyone have any info (like a manual) on the Tektronix OT503 Laser > Source. It's 1.3 uM with a fiber output, modulatable to about 1.5 GHz. You have already checked BAMA archive, haven't you? http://bama.edebris.com/manuals/tek/ I can't see that unit listed, though! Paolo IK1ZYW