Middle Ordinate Solution 

Allows you to calculate the other curve elements when you can locate the chord and determine the middle ordinate distance in the field.

Prompts

Save coordinates [Yes/No)] <Y>:  press Enter or type "Y" and Enter if you want the calculated radius point to be stored in the coordinate file. If not type "N" and Enter.  Press Esc key to end the command.
Enter P.C. point: specify the PC point by typing a point ID or picking a point on the screen.
Enter PT point: specify the PT point by typing a point ID or picking a point on the screen.
Middle ordinate: Type in the middle ordinant distance or pick it on the screen.

Pulldown Menu Location: CG-Survey > Cogo > Curves
Keyboard Command: cg_chd_mo
Prerequiste:  coordinate file