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| * Tested a prototype pre-amp board of geophones using the spare geophone pod and the geophone distributor. The prototype board had the noise floor higher than the Nikhef one by one order at 1Hz. | * Tested a prototype pre-amp board of geophones using the spare geophone pod and the geophone distributor. The prototype board had the noise floor higher than the Nikhef one by one order at 1Hz ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=23996|klog]]). |
Contents
Agenda/Minutes
CRY+VIS Interface Meeting
Date: 2023/2/17 13:00-
Participants:
Status
- Type-A: Investigation of ACCs in EY.
- Type-B:
- Type-Bp: Sensor correction in PR3.
- Type-C:
Other items
- Oplev:
- ACC: Replacement of the coil driver in EY was postponed.
- Commissioning:
- Vacuum system: Switching from the TMP to the ISP in OMMT/OMC.
- Heater control:
- TMS: Covering in TMSY on 2-3 March.
Discussion
VIS Meeting
Date: 2023/2/17 13:30-
Participants:
Summary Report
Type-A
- Replacement of the coil driver for ACCs in EY was postponed.
A strange peak at 0.02Hz in the yaw signal of ACCs are observed (klog).
Type-B
Type-Bp
Type-C
Electronics
Tested a prototype pre-amp board of geophones using the spare geophone pod and the geophone distributor. The prototype board had the noise floor higher than the Nikhef one by one order at 1Hz (klog).
Control
Schedule
- Type-A: IP control with ACCs.
- Type-B/Bp: Sensor correction for PR3 and PR2.
- Type-C:
Safety
Discussion
Travel Plans
(Date in Kamioka)
The week from 2/20
Next meeting
- 2023/2/24(FRI) 13:30-