[R.Schofield, J.Drigger, S.Dwier, T.Mistry]

During the commisioning time on Friday 22nd November, we powered the encoder system On and Off in intervals ~20 minutes to see whether the gliches as reported in LHO alog 53396. During these measurements, the BRS sensor correction eeas turned off. As a result, the ongoing windfence installation was causing large scattering arches (glitches) in DARM. Therefore, I belive that todays tests maybe rather inconclusive since it will be difficult to tell if the glitches seen in DARM were the results of the NCAL encoder system or the wind fence crew. The time log below gives the state of the encoder system as it was being switched On/Off.

0944 PDT -- Encoder on
1004 PDT -- Encoder off
1027 PDT -- Encoder on
1100 PDT -- Encoder off
1120 PDT -- Exit EX

I will be collecting the results in G1902232