TY - GEN AU - H. Böttger AU - A. Radford AU - D. Söderman BT - ECMWF Technical Memoranda CY - Shinfield Park, Reading DA - 06/1987 DO - 10.21957/juoqr1x2v LA - eng M1 - 133 PB - ECMWF PP - Shinfield Park, Reading PY - 1987 EP - 36 T2 - ECMWF Technical Memoranda TI - ECMWF monitoring tools and their application to North American radiosonde data UR - https://www.ecmwf.int/node/8530 ER -