H 2 H , 16 team , 10 cat now in 8 th place , but up 73 so far for this week What do we think ? Any moves I should consider making ? <| sep |> almost ? every country has its own regulatory agency , similar to the FCC . I work at a large radio astronomy observatory , and whenever we see bothersome interference , we triangulate it and contact the owneroperator to find out if we can help them solve the problem . It that is not possible , we notify equivalent of the FCC in the country from which the interference originates , and they will determine if regulations are being violated . If so , they require the operator of the equipment to voluntarily fix the problem , or pay a fine and fix the problem anyway . There are many users of the radio spectrum , some of which are passive , that need interference free radio spectrum outside of frequency bands allocated to licensed transmitters . For our instrument only , this happens a few times per year . Examples of interference sources we have dealt with are electric fences , old television sets , ethernet routers , a single SCSI cable , and a power switching station . We fear for an experiment allowing ethernet over power cables that has been planned less than 10 km from our observatory . You bet we ' ll monitor the hell out of the spectrum once that experiment starts .