In an earlier posting, I wrote that 74 dBu - 54 dBu represented a voltage ratio of 20:1. I think I threw in an extra 10 dBu there. I now believe the ratio is 6.32:1. If I'm correct, 70 dBu is 3.16 mV/m (as I said), but 54 dBu is 0.5 mV/m. Sorry for the confusion--in case anybody cares. -- dan.strassberg@att.net 617-558-4205 eFax 707-215-6367