In order to block distracting electrics and improve your reception, Huston endorses this sweetly old-timey list of tips from WERU, a noncommercial, community radio station struggling to reach as many listeners around Hancock County, Maine, as it can. Of course, when a person walks away, all those background distractions return and the sound cracks up again. A human body can block competing electronic activity and allow the receiver to "concentrate” on the radio signal it is “supposed” to be picking up, says Huston. Radio receivers constantly pick up on electronic activity in the vicinity, from things such as microwaves and lightbulbs, and interpret it as a signal, creating interference. ![]() ![]() It doesn’t understand the difference between music or talk and background noise in the area.” To understand the actual reason, it is important to first understand what causes static in the first place, says Davin Huston, a clinical assistant professor at Purdue Polytechnic Institute’s School of Engineering Technology. Why is it that human contact seems to fix radio signals for an annoyingly brief instance? If you have my luck with radio reception, the signal probably breaks up again right as Neil Young tears into the solo on “Like a Hurricane” or Ira Glass gets to the point. You sit back down and, a few seconds later, the sound crackles again. You get up to adjust the dial and, just as you put your hand on the knob or button, the reception clears up. Static is a routine annoyance for those of us who still listen to terrestrial radio.
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