[Amps] conversion scale from dbu to microvolts

[Fern Rivard]

>    I just received the service manual for my Yaesu FT-1500M and would 
> like to calibrate the S-Meter but unfortunately Yaesu uses dbu's which 
> is all dutch to me as all of my test gear use either microvolts or 
> dbm.
>    It would be nice to find a conversion scale for this but Google did 
> not bring up a chart for me.  For now, I need the conversion into 
> either microvolts or dbm of:
>
> 1)   -7dbu
>
> 2) -13 dbu
>
> 3) + 20 dbu
>
>    Thanks from Fern
>
>