Reel Manners™ Mystery Cache

Manners:  a person's outward bearing or way of behaving towards others.

Use your puzzle prowess to find the numbers represented by ABCDEFGHIJK and solve the following puzzle to find where the Reel Manners^TM cache is hidden.

South 34° AB.GC(F-E) East 138° (F-A)B.F(G-K)(C-H)

My thanks to BFE for letting me use the "Reel" branding.

Please bring own writing implement.