No problem fellas. Hope it helps.





Originally Posted by Castle_Rock
Sorry disregard that question, I gather it means corrections are in units of 1 Mil.



Correct.



Originally Posted by mathman
Originally Posted by Formidilosus
... In general chronographs are the weakest link and I would default to velocity calibration. ...


Does your experience lump in a three screen Oehler with the ubiquitous compact models?


Oehler's are good. MagnetoSpeed's are good, Lab Radars can be good. I'm sure that you know but most of the commercial Chronos are garbage.