I'm also new to scripting but if you add something like this to the 'radio-triggers' conditions-field:
this and (
pilot distance
dude) < 50
Here,
pilot is the name of your pilot,
dude is the name of an object in the bases and 50 is how close to that object the pilot has to be. Then the trigger would only turned true if both distance check and the radio is sent.
Now I go back and work with my own script. Wont get any sleep tonight
/ZaiToh