Pitch Raise Sequence

[A440A@AOL.COM]

David writes: 
<< I "never" over-pull!  I take my FAC

readings in relation to A440 pitch...yes I bring those strings up to pitch

no matter where the piano is at pitch-wise...I start at A0 and tune each

string as I go quickly, 15 minutes.  For me, overpull is going to mean a

sharp piano when I start tuning.  >>

Greetings, 
     Isn't the middle of the piano flat by the time you have finished the 
top? When I don't overpull, I have a flat piano when I start tuning. 
Regards, 
Ed Foote RPT