I so really know what you are trying to do. Of course in the USA they seem to be able to get away with serious outdoor interference generators
https://www.youtube.com/watch?v=bbLshnfu0wY
https://www.youtube.com/watch?v=hgll-XTqcS4
Or even put a volunteer child in a Faraday cage
https://www.youtube.com/watch?v=hgll-XTqcS4
Two meter high behemoth Teslas.