Indeed, the Bloomberg article they link to shows a photo of antenna towers in Aurora, Illinois near the Chicago Mercantile Exchange datacenter https://www.bloo

Indeed, the Bloomberg article they link to shows a photo of antenna towers in Aurora, Illinois near the Chicago Mercantile Exchange datacenter https://www.bloomberg.com/news/articles/2020-06-17/companies-pitch-shortwave-radio-to-shave-milliseconds-off-trades https://www.bloomberg.com/news/articles/2020-06-17/companies...