GB3XG - STG's 3cm Amateur TV Repeater
GB3XG (X is the Roman numeral 10 and G for GigaHertz) is the microwave television repeater just south of Bristol. It receives on 10.315GHz and transmits on 10.065GHz, both in FM mode and with omni-directional antennas.
If you have Google Earth on your computer, clicking here will show where GB3XG is . You can just make out the shadow of the antennas across the field.
If you aren't sure what a TV repeater is, click here to find out.