Initiating discussions on inviting experts from LIGO-Virgo Collaboration to assist with commissioning activities at KAGRA. Budget sources and possible programs identified. Key considerations include determining who to invite, when, and how to apply for the exchange program. Past experiences with Vir

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Overview of the control design and implementation of digital systems for the KAGRA suspension control, focusing on local controls for SAS, GAS filter controller, IP controller, and noise study. Details include the purpose, configuration, and strategies for controlling thermal drift, mechanical reson

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Updates on the O3 LIGO-Virgo-KAGRA project, including detector performance, alerts, retractions, and the upcoming commissioning break. The status and milestones of KAGRA commissioning plan are also outlined, with details on noise hunting, beam alignment, cooling systems, and other key activities.

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Investigating the impact of Newtonian Noise (NN) on various detectors and instruments used for measuring gravity gradients. The content delves into the frequency ranges affected by NN in detectors like LIGO, AdVirgo, and KAGRA, as well as the influence of infrasound and seismic waves. The discussion

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Detailed overview of the current status and plans for the installation of Type B components in the KAGRA project, including scope, team members, installation procedures, schedule, and status updates for both BS and SRx components. The assembly frame is being constructed with detailed procedures and

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The report discusses changes in the iKAGRA configuration from Fabry-Perot Michelson Interferometer to Michelson Interferometer due to schedule constraints and budget limitations. The document outlines the revised schedule for installation tasks, shift applications, and the impact on the KAGRA projec

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