Gas gauge calibration unit

Your last comments only reaffirm my opinion. You seem to me to have an attitude about his. Dave has not asked for any money, and his schedule certainly does not mark to the beat of either your or my drums. What I'm asking here, is that you tone this down. You seem to me on edge, here, about this whole deal.

This is NOT an "either or" deal. This is two different guys working on the same problem from different approaches.