(A) Your location
Determine what maximum distance you can reach from your location by following the instructions given in FIRST POST of this thread:
What is the Maximum Range I can Get?
(B) Your hardware (Please post following details)
(1) Antenna type
(2) Antenna location (indoor/outdoor on roof or tower)
(3) Length and type of Coax cable from antenna to receiver
(4) Type of Receiver (DVB-T/ProStick/ProStick +/Flightaware FlightFeeder etc)