The Courts and Location
Welcome to another in the GSM series. These courts are in the corner of Weigall Oval North Plympton, a reserve with many sports and activities.
The Cache
You are looking for a small cache hiding in plain sight. It can be found at
S 34 57.B(A+B)B
E 138 33.5(A+B)B
where
A = number of tennis courts
B = number of basketball hoops
FTF by cccl23 in 0h23m