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Resupply Rocket at Launch Pad as Astronauts Prep for Third Spacewalk

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Resupply Rocket at Launch Pad as Astronauts Prep for Third Spacewalk

Russia's Progress 72 resupply rocket
Russia’s Progress 72 resupply rocket stands at its launch pad at the Baikonur Cosmodrome in Kazakhstan. Credit: Roscosmos

The Expedition 59 crew is ramping up for new supplies arriving at the International Space Station on Thursday and another spacewalk taking place on Monday. The orbital residents also managed to conduct ongoing microgravity science and life support maintenance today.

Flight Engineers Anne McClain and David Saint-Jacques are readying their spacesuits and tools for a spacewalk set to begin Monday at 8:05 a.m. EDT. The spacewalking duo will install truss jumpers next week to provide a redundant power source to the Canadarm2 robotic arm.

Watch this 3-D animation depicting Monday’s spacewalk activities

Back on Earth, the Progress 72 (72P) resupply ship stands ready to blast off Thursday at 7:01 a.m. EDT from the Baikonur Cosmodrome in Kazakhstan. Just two orbits later, it will catch up to the station carrying nearly three tons of food, fuel and supplies. It is scheduled to dock to the Pirs docking compartment at 10:25 a.m. where it will stay until the end of July. NASA TV will broadcast the launch and docking activities live.

Cosmonauts Oleg Kononenko and Alexey Ovchinin will monitor the 72P’s approach and rendezvous from inside the Zvezda service module. The duo will be at the controls of the TORU, a backup manual docking system, to guide the 72P to a docking in the unlikely event the 72P’s automatic Kurs docking system fails.

The astronauts also worked throughout Tuesday collecting blood and urine samples, spinning the samples in a centrifuge and storing them in a science freezer for later analysis. The cosmonauts explored space-piloting techniques before moving on to plumbing and atmosphere revitalization tasks.

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Mark Garcia

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April Brings Three New Spaceships and a Third Spacewalk at the Station

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April Brings Three New Spaceships and a Third Spacewalk at the Station

NASA astronaut Christina Koch participates in her first spacewalk
NASA astronaut Christina Koch participates in her first spacewalk to upgrade the International Space Station’s power storage capacity. She and fellow spacewalker Nick Hague (out of frame) of NASA worked outside in the vacuum of space for six hours and 45 minutes to continue swapping batteries and install adapter plates on the station’s Port-4 truss structure.

April is shaping up to be a busy month bringing three new spaceships and another spacewalk to the International Space Station. The Expedition 59 crew has already wrapped up two spacewalks this year and welcomed the first SpaceX Crew Dragon spacecraft and the latest Soyuz MS-12 crew ship in March.

Roscosmos, SpaceX and Northrop Grumman are all readying their resupply ships to blast off this month and replenish the six orbital residents. A pair of astronauts will also go on another spacewalk, this time to provide secondary power for the Canadarm2 robotic arm.

At the Baikonur Cosmodrome in Kazakhstan, the Russia’s Progress 72 cargo ship, loaded with more than 3 ½ tons of food, fuel and supplies, rolled to its launch pad Monday for final preparations for launch Thursday, April 4 at 7:01 a.m. EDT. The launch will send the unpiloted Progress on a 2-orbit rendezvous trajectory — the second ever — for an automated docking to the Pirs docking compartment three hours later. NASA TV will broadcast live the express cargo delivery to the orbital complex.

On Monday April 8, two astronauts will go on the third spacewalk of 2019. Flight Engineers Anne McClain and David Saint-Jacques will set their spacesuits to battery power around 8:05 a.m. and exit the Quest airlock. The duo will install truss jumpers on the Unity module and the Starboard truss structure to ensure the Canadarm2 stays powered in the event one of its other power units fail.

Finally, two U.S. spaceships will blast off toward the station this month from two different launch pads on the U.S. east coast. The orbital lab will be host to six different spacecraft, including two Russian Progress space freighters and two Russian Soyuz crew ships, by April 28.

Northrop Grumman will launch its 11th Cygnus cargo craft atop an Antares rocket April 17 from Wallops Flight Facility in Virginia and take a two-day trip to the station. SpaceX is readying its 17th Dragon cargo mission for an April 25 lift off from Cape Canaveral in Florida and a three-day ride to the orbital lab.

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Mark Garcia

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Ham radio APRS payload to launch April 1

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Ham radio APRS payload to launch April 1

PSLV-C45 orbital platform PS4PSLV-C45 orbital platform PS4

An APRS payload from AMSAT INDIA will be flown on the PSLV-C45 mission expected to launch on April 1, 2019 at 03:57 GMT.

On the AMSAT Bulletin Board Nitin VU3TYG writes:

The payload will be powered on approximately over Sweden, Norway, Denmark, Finland, Poland and Moscow. We request stations at these locations to report the first signals on 145.825 MHz from the payload.

We also request the Amateur Radio fraternity worldwide to use the payload and Satgates to feed the traffic. More details about this unique project as well as the prelaunch TLE are available at
http://www.amsatindia.org/

73
Nitin [VU3TYG] Secretary, AMSAT INDIA
https://twitter.com/amsatindia

It is understood the PSLV-C45 mission will deploy 29 satellites. The 4th stage of the rocket (PS4) will become an orbital platform in a 485 km orbit hosting three payloads:
• Automatic Packet Reporting System (APRS) digipeater from AMSAT INDIA
• Automatic Identification System (AIS) from ISRO
• Advanced Retarding Potential Analyzer for Ionospheric Studies (ARIS) from the Indian Institute of Space Science and Technology (IIST).
https://www.isro.gov.in/launcher/pslv-c45-emisat-mission

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m5aka

AMSAT-UK

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