The firearm and enviromental conditions, plus some of the cartridge components (in this example: Case manufacturer (CM) and Primer type (PT)) are the same for all shots, and entered as global data in the upper part of the screen. Those components that have been varied from shot to shot (i.e. bullet weight (BW), type (BT) and manufacturer (BM), powder type (PT) and charge (PW), and cartridge over-all-length (OAL) are entered in the "Performance Data" spread sheet.
The information entered this way will produce a textual display in the main cartridge page and will be graphed by GMDR.Load as follows:
