HCORP DATA LIST (Isotope)   AWS Archive GPS Isotope Sonde     Isotope * Isotope data at Indoneshia Indoneshia,  Apr. 2001- (monthly) * Isotope data at Mongol Mongol,  Jan. 2005- (monthly) * Isotope data at Palau Palau,  Dec.2002-Dec.2006 (monthly) * Isotope data at Russia Russia,  Sep.2004- (monthly) * Isotope data at Thailand Thailand,  Aug. 2001-Dec.2006 (monthly) * Isotope data at Vietnam Vietnam,  Feb.2006-Dec.2007 (monthly)