At 08:41 PM 7/31/2008 -0500, Clif Holland wrote: >That would be fine except for one thing. All of those charts are for the USA >usage of uV and dBM conversions. The Japanese sytem starts at 0dB = .5uV, >not 1 uV as you are assuming. Oh ok, you didn't say that and it changes things a bit, of course. But by only a half S-unit. Steve, K0XP