Direct Current Switching Unit (DCSU) 1B Remote Bus Isolator (RBI) 1 Trip – At ~11:55am CST DCSU 1B RBI 1 experienced a trip on Friday taking all power from the 1B Power Channel. Numerous systems were affected including core avionics. Command and Control (C&C) and Guidance Navigation & Control (GNC) Multiplexer/Demultiplexers (MDMs) automatically transitioned to …
The Expedition 45 crew is wrapping up the work week on biomedical science and Cygnus mission preparations. The orbital residents also worked maintenance throughout the numerous modules inside the International Space Station. Flight Engineers Kjell Lindgren and Kimiya Yui, who both have been in space over 100 days, checked their vision and blood pressure for …
Today’s post is from William Woods, a doctoral candidate in Electrical Engineering at Stanford University. He investigates radioscience and remote sensing, with a focus on signal processing for the radioscience experiment (REX) onboard New Horizons. He studies both engineering and science under Dr. Ivan Linscott and Dr. Howard Zebker at Stanford. I study remote sensing …
On November 11 at 5:41:17 PM CST there was a fireball detected on two NASA cameras; one located at Marshall Space Flight Center in Huntsville, Alabama and the other in Tullahoma, TN. Last evening’s fireball was just across the Tennessee/Arkansas border over the town of Jonesboro, Arkansas (NW of Memphis – see ground track image …
Synchronized Position Hold, Engage, Reorient, Experimental Satellites (SPHERES) Slosh: After experiencing issues with SPHERES batteries and a hard drive, the SPHERES Slosh Run today was postponed to a later date. Ground experts are investigating the source of the problems. Sleep Log: Kelly recorded a Sleep Log entry today. The Sleep ISS-12 experiment monitors ambient …
By Ryan Walker We arrived safely in Christchurch, New Zealand. On Wednesday morning we went over to the International Antarctic Centre to check up on our instruments and equipment. We have five GPS receivers for measuring horizontal ice motion, and two tilt meters for measuring the angle of the ice shelf as it flexes with ocean tides. […]
Nitrogen/Oxygen Recharge System (NORS) Airlock Interface Kit (AIK) Installation: Kelly prepared the US Airlock in support of NORS AIK install by removing closeout panels and flexible ventilation ducting. Yui then assisted Kelly with the installation of the NORS primary and redundant power cables. The NORS AIK activities will continue tomorrow with leak checks extending through …
Here we are, already on Day 6 of AT32, our november cruise on the North Atlantic, and we will reach our first station tomorrow. Today the weather is rough, as can be seen in this picture but during the first few days, we were blessed with unusually warm weather and forgiving seas. This was a […]
It’s been a very busy week as OLYMPEX gears up for full operations. The last ground site was installed yesterday and the full network is collecting data. We have learned a lot from these sites alone and have already sampled some intense storm systems laden with rain. The four radars are installed, or being installed, […]
Post Extravehicular Activity (EVA) Activities: Following completion of EVA #33 on November 6, the crew was given a day off on Monday. Today, the crew performed cleanup activities, including EVA loop scrubs with water conductivity tests, Extravehicular Mobility Unit (EMU) dry out, EVA tool stow, EVA camera disassembly and US Airlock deconfiguration. Sally RideEarth …
