RRC (Regional Radiation Centre)-Tokyo PMO PMO- -6 No.811107 6 - PowerPoint PPT Presentation

RRC (Regional Radiation Centre)-Tokyo PMO PMO- -6 No.811107 6 No.811107 • To serve as a centre for A- -HF No.32446 HF No.32446 intraregional comparisons intraregional comparisons of radiation instruments within the region. • To maintain the standard instrument necessary for thi this purpose. Regional Association II RRC-Tokyo (Japan), RRC-Pune (India) (JMA has been serving as RRC in the WMO RA II since 1965.) Regional Standard Group at IPC-X (2005)

Calibration system within the framework of WMO World Radiation Center Solar Radiometry Section （ Solar Radiometry Section （ W W R R C S C - S R R S S ） ） World Standard Group (WSG) World Standard Group (WSG) PMOD (Davos, Switzerland) International Pyrheliometer International Pyrheliometer traceability Comparison (IPC) Regional Radiaton Centre （ （ R R C ） ） g Regional Standard Group R i l St d d G RRC-Tokyo (Japan), RRC-Pune (India) traceability Regional Pyrheliometer Comparison (RPC) National Standard Group National Radiation Centre （ N R C ） Calibration traceability Operational instruments Conceptual figure of calibration of solar radiation instruments within the framework of WMO

International Pyrheliometer Comparison (IPC) • Held once every 5years at WRC in Davos, Switzerland. ( Next IPC (IPC-XI) will be held this fall. ) WMO World Radiation Centre (Physikalisch-Meteorologisches Observatorium Davos (PMOD), Switzerland)

Regional Pyrheliometer Comparison (RPC) • Held once every 5years in the next year of IPC basically. ( Last RPC was held from Jan. to Feb. 2007 at Tsukuba, Japan. The next RPC is planned in 2012.) RPC at Mt.Tsukuba in 2007