Tropical Storm Faxai Forms Southeast Of Guam

A tropical depression that developed southeast of Guam was upgraded to a tropical storm called FAXAI early Saturday morning (local time). The TRMM satellite has had several good looks of the tropical storm during it's formation. As it passed over head on February 27, 2014 at 2357 UTC the satellite had an outstanding daytime view of the developing tropical cyclone . Rainfall data collected by TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) instruments are shown overlaid on enhanced visible and infrared images from TRMM's Visible and InfraRed Scanner (VIRS). TRMM PR data indicated

High Gain Antenna Deployed

The GPM Core Observatory continues power positive, stable on the sun line and communicating with the GPM Mission Operations Center at NASA’s Goddard Space Flight Center in Greenbelt, Md. The spacecraft magnetic torquer bar polarity was adjusted to eliminate rotational momentum gain. Star trackers were turned on and the High Gain Antenna was successfully deployed. Within the next day or two, the spacecraft controllers at NASA Goddard will begin to use the antenna to communicate with the Tracking and Data Relay Satellite System for commands from the ground, data and health and safety information

GPM Power Positive, Stable, and Communicating

The GPM spacecraft is power positive, stable on the sun line and communicating with the GPM Mission Operations Center (MOC) at NASA Goddard Space Flight Center in Greenbelt, Md. The GPM flight control teams at NASA Goddard are studying a situation with the spacecraft where the satellite is gaining a small amount of rotational momentum. In a normal state, there are environmental forces on the spacecraft that are corrected by the momentum wheels and magnetic torquer bars. At this time, the momentum wheels are being used more than expected. This situation does not pose any threat to the health of

GPM Launches from Tanegashima Space Center

GPM Launches from Tanegashima Space Center
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GPM Launches from Tanegashima Space Center

A Japanese H-IIA rocket with the NASA-Japan Aerospace Exploration Agency (JAXA), Global Precipitation Measurement (GPM) Core Observatory onboard, is seen launching from the Tanegashima Space Center, Friday, Feb. 28, 2014, Tanegashima, Japan. The GPM spacecraft will collect information that unifies data from an international network of existing and future satellites to map global rainfall and snowfall every three hours. Photo Credit: (NASA/Bill Ingalls)

GPM Launches from Tanegashima Space Center

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A Japanese H-IIA rocket with the NASA-Japan Aerospace Exploration Agency (JAXA), Global Precipitation Measurement (GPM) Core Observatory onboard, is seen launching from the Tanegashima Space Center, Friday, Feb. 28, 2014, Tanegashima Space Center. The GPM spacecraft will collect information that unifies data from an international network of existing and future satellites to map global rainfall and snowfall every three hours.