Mast Arm V1.1 (June 2020)
	Changed the input file method including new data file format.
	Reformatted many areas of the program.
	Added new signal Cds and flexible backplate values for evaluating existing Mast Arms.
	Corrected values in the summary output.
	Added 2nd stirrup spacing to line 3 output.
	Changed the Fatigue Importance Factor for Natural Wind to 1.0.
	Remove Kd from the numerator of the fatigue moment equations.

Mast Arm V1.2 (May 2021)
	Under "Arm 2 Data", changed "row:=0..max(#Panels.arm1-1),1" to "row:=0..max(#Panels.arm2-1),1".
	Added "For FDOT Mast Arm Support Structures, max(CFI) <= 0.95 (See Structures Manual Volume3).
 	Added updated Equation Module (should have no effect on the results for this program).


Mast Arm V1.3 (September 2021)
	- Updated the plots to correctly show the orientation of signals (no effects on analysis results).
	- Updated the initial guess values of drilled shaft lengths M and N from 4ft to 40ft (modified Broms Method for cohesive soil) to give more reliable solutions under different scenarios.
	- Updated soil properties inputs based on soil type selection.
	- Updated the program to work for signs only.
	- Updated arm to pole connection check for existing arm analysis to include the contribution of top and bottom plates.
	- Created Data Tables in EXCEL and directly write output data to the EXCEL file.
	- Removed the 'Distance to Splice (Larm-FA)' input and replaced it with the 'Base Diameter FC' input.
	- Updated data files. The number of example date files is reduced from 90 to 27. 

Mast Arm V1.4 (December 2021)
	- Corrected the unit of clay shear strength input from psf to ksf (to be consistent with input box script and other FDOT programs).

Mast Arm V2.0 (May 2023)
	- Added steel weights to each component and a total weight.
	- Updated the Mathcad 15 version and created a Mathcad Prime 8 version.