3 ms·A 100 MHz wave is 3 meters long. What part of a bedframe/coilspring is 3 meters in length?by joezydeco 3y agoA 100 MHz wave is 3 meters long. What part of a bedframe/coilspring is 3 meters in length?542458 3y agoI’m not saying the article is right (it sounds like nonsense to me) but you do get resonance at half and quarter lengths as well.pests 3y agoEven a quarter of three meters seems big.