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23 October 2019

Radio noise maps show where emergency communications could get tricky

Rather than riding in trucks to maneuver around the streets of Boston, the team got in their steps. They carried radiofrequency monitoring equipment in backpacks sporting a towering radio antenna, a recording device and an aluminum “radio-proof box” containing a laptop – a key feature to prevent the computer from contaminating their data. In total, the contraption weighed 15.4 kilograms (34 pounds).