== Static Wiener Filter FF ==
This was done for LLO during S6.
(cf. "Global ..." by Ryan, Jenne, etc.)

== Adaptive LMS based FF ==
Seismometers and Accelerometers at the 40m used to reduce noise in the 40m IMC.
(cf. "Adaptive..." paper in RSI by Jenne, et al.)

== Mic based Acoustic Noise Cancellation ==
SURF by Clara, few months project by Ayaka Shoda (from U. Tokyo)

== Magnetometer / 60 Hz subtraction ==
Some done by Nic and Anamaria for S6 at LLO

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=== Reading Links ===