Help with deciphering wind loads

[pcpolo]

I have been trying to find answers to this but have had no luck so far.
I'm hoping these forums can help me out.
I have some specs for an antenna and need to decipher what the wind loads mean.
I have attached a picture below.
Basically, what does the Fa, Fs, and M mean?

Thank you in advance!

 

[tiny-tim]

Welcome to PF!

Hi pcpolo! Welcome to PF!

F must mean force (from the wind).

Looks like the A stands for Axial (ie parallel to the axis), and the S for Sideways.

I assume M is the moment (in ft lbs).