¶ 1400 Ripple
Particularly at Livingston, there are often somewhat strong 0.05s or longer glitches that happen around 1400Hz. They can appear isolated (one glitch per image) though sometimes multiple are seen within a 4-second-long GravitySpy image. So far, the origin of these glitches is unknown. They are commonly confused with 1080Hz glitches, and violin mode harmonics.
¶ Examples
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Audio of 1400 Ripple (with associated spectrogram) Make sure to wear good headphones!
