Human Research, Materials Science and Robotics on Tuesday’s Schedule

Human Research, Materials Science and Robotics on Tuesday’s Schedule

The moon is photographed in its waning gibbous phase
The moon is photographed in its waning gibbous phase just above the Earth’s limb as the International Space Station orbited 258 miles above the North Atlantic Ocean just off the Canadian-American coast.

The Expedition 59 crew spent the majority of Tuesday conducting space experiments and setting up research hardware. The International Space Station residents are also continuing to unpack a pair of recently arrived cargo ships while training for the next U.S. cargo mission.

The weightless conditions of microgravity pull fluids towards an astronaut’s head causing a common space phenomenon sometimes called “puffy-face.” Flight Engineer Nick Hague of NASA spent the morning collecting and stowing his blood, urine and saliva samples for the long-running Fluid Shifts study. The research observes and seeks to reverse the upward flow of fluids causing increased head and eye pressure that concerns flight surgeons.

NASA astronaut Christina Koch set up hardware in the Destiny lab module to begin researching the feasibility of manufacturing fiber optic cable in space. The Space Fibers study takes place inside the Microgravity Science Glovebox and will explore a blend of materials more transparent than silica-based glass.

A new materials exposure experiment is ready for deployment outside Japan’s Kibo lab module. NASA astronaut Anne McClain installed the MISSE-FF gear inside Kibo’s airlock before depressurizing the unit. Robotics controllers will deploy the exposed sample trays outside the airlock. The study will help scientists understand how radiation, the vacuum of space and micrometeoroids affect a variety of materials.

Canadian Space Agency astronaut David Saint-Jacques is training for his role to capture the next SpaceX Dragon cargo craft. Hague joined him today for the robotics training and will back him up in the cupola. Dragon is scheduled to launch April 30 from Florida and take a two-day trip to the station where it will be grappled with the Canadarm2 robotic arm and installed to the Harmony module.

Commander Oleg Kononenko helped attach sensors to Flight Engineer Alexey Ovchinin as the duo researched cardiovascular activity during exercise in space. Kononenko went on to replace smoke detectors as Ovchinin worked on life support maintenance.

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Mark Garcia

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New Life Science Begins; Next Dragon Cargo Mission Due Next Week

New Life Science Begins; Next Dragon Cargo Mission Due Next Week

Cygnus approaches its capture point
The Canadarm2 robotic arm is positioned to grapple the Northrop Grumman Cygnus cargo craft as it approaches its capture point with the International Space Station orbiting 255 miles above the Atlantic Ocean. Highlighting the foreground is the Soyuz MS-12 crew ship docked to the Rassvet module.

The Expedition 59 crew has been unpacking Northrop Grumman’s Cygnus cargo craft over the weekend and began science operations on the newly delivered space research. The 17th SpaceX Dragon mission is now due to launch next week to replenish the International Space Station.

Three NASA astronauts and one Canadian Space Agency astronaut split the workday measuring the mass of 40 mice shipped to the station aboard Cygnus last week. Flight Engineers Anne McClain and Christina Koch started the first half of the day with Flight Engineers Nick Hague and David Saint-Jacques wrapping up the rodent research work in the afternoon. The quartet used the mass measurement device inside the Life Sciences Glovebox beginning the study to learn how microgravity impacts the immune system.

The SpaceX Dragon cargo craft is due to join the five other spacecraft parked at the station after it launches from Florida April 30. Dragon is scheduled to arrive May 2 and Saint-Jacques will command the Canadarm2 robotic arm to reach out and capture the cargo vessel. Dragon will deliver over 5,000 pounds of new science, supplies and hardware to the orbital lab.

Cosmonauts Oleg Kononenko and Alexey Ovchinin stayed focused on the Russian side of the station with their complement of orbital science and lab maintenance. Commander Kononenko updated communications gear, cleaned fans and filters and explored enzyme behaviors. Flight Engineer Ovchinin offloaded cargo from the new Progress 72 resupply ship and studied radiation exposure.

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Mark Garcia

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Simple dual band dish feed for Es’hail-2 / QO-100

Simple dual band dish feed for Es’hail-2 / QO-100

 

DKARS April 2019 front coverThe April 2019 issue of the free DKARS magazine features an article in English – Simple dual band dish feed for Es’hail-2 / QO-100 by Mike Willis G0MJW, Remco den Besten PA3FYM and Paul Marsh M0EYT.

Their article, on pages 18-23, describes an easy to build 2.4 and 10 GHz dish feed, using commonly available materials, for Es’hail-2 / QO-100 deployment. The feed consists of a LHCP patch antenna for 2.4 GHz and a waveguide feed for 10 GHz, to be placed in the focal point of commonly available and cheap offset satellite TV dishes with f/D’s of around 0.6

Download the full magazine PDF from https://dkars.us13.list-manage.com/track/click?u=2a0602da7add78cfc4cee370d&id=f8424212ae&e=ca64a74f86

Dutch Kingdom Amateur Radio Society (DKARS) http://www.dkars.nl/index.php?page=magazine_uk

Additional information on Es’hail-2 /QO-100 can be found at
https://amsat-uk.org/2019/02/10/qatar-oscar-100-web-receiver-now-live/

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m5aka

AMSAT-UK

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