From where I live I can receive 4 of the 6 Freeview multiplexes available at my nearest transmitter (Crystal Palace), which is about 50 km distant. This is precisely what the DTG postcode checker predicts. Each multiplex appears to have the same power, they are all on very similar frequencies and I assume that they each use the same type of aerial. The only other factor I can think of which would affect propagation is the height of the aerial up the tower. Since my village is probably partially obscured by a nearby "hill", I could believe that this is the case, especially since a friend who lives on top of that hill (about 50m higher up than me) can receive all six multiplexes. Can anyone shed any light on this and/or provide me with a better explanation. Thanks in advance for your help.