RE: Jon Catler's desc. of undertones (digest 1411 topic 6)

The lower tone has to make superparticular ratios with the upper tone.
You don't seem to be doing that in your example. Anyway, the result
won't really be a (conventional) minor scale; it will be an undertone
series, i.e., all the notes which share a common overtone -- in this
case, B.