It is still way closer to the instrument than the deep end of the sea, most of the time. Square of distance is a very potent thing. I am reminded of this: htt

It is still way closer to the instrument than the deep end of the sea, most of the time. Square of distance is a very potent thing. I am reminded of this: https://www.theguardian.com/science/2015/may/05/microwave-oven-caused-mystery-signal-plaguing-radio-telescope-for-17-years https://www.theguardian.com/science/2015/may/05/microwave-ov...