That cuts both ways though. Radio waves are not a good equivilent to the existance of Jesus or God or any holy figure for that matter. You could just as easily say that just because you can't see Allah or Thor doesn't mean they don't exist. They may not affect your life, but those effects are purely anecdotal. It doesn't prove anything outside your own belief and as you yourself stated, just because you don't believe something doesn't make it untrue.