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Radarsat C-1, Radarsat С-2, Radarsat С-3 - Falcon 9 - Vandenberg SLC-4E - NET 02.2019
 
 
 
 
 
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Chris B - NSF‏ @NASASpaceflight 15 мин. назад

Up and down again for the booster. This time just next door of SLC-4E to the former SLC-4W (now called LZ-4)

@Maxar image. I added the very helpful red line.

 
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SpaceX‏Подлинная учетная запись @SpaceX 49 мин. назад

Falcon 9 and RADARSAT Constellation Mission have rolled out to SLC-4E. Tomorrow’s 13-minute launch window opens at 7:17 a.m. PDT, 14:17 UTC → http://spacex.com/webcast
 
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SpaceX‏Подлинная учетная запись @SpaceX 8 ч. назад

Falcon 9 and RADARSAT Constellation Mission are vertical on SpaceX’s California launch pad at Vandenberg Air Force Base. After stage separation, SpaceX will attempt to land Falcon 9’s first stage at Landing Zone 4 → http://spacex.com/webcast

 
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MDA‏ @MDA_maxar 9 ч. назад

#RADARSAT2 captured the site of tomorrow's launch of the #RCMSatellites. The @SpaceX Launch Complex 4 at @30thSpaceWing #Vandenberg AFB can be seen in the middle of the image, which was acquired using Ultra Fine mode with 3m resolution. The image was taken at 01:59 UTC June 11.

 
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Maxar Technologies‏ @Maxar 8 ч. назад

Today's look at Vandenberg AFB and Launch Complex 4 (SLC-4) with the #Falcon9 rocket, collected at 12:03 PM local time. Watch tomorrow's launch of the #RADARSAT Constellation Mission, details here: https://www.spacex.com/webcast

 
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Jack Beyer‏ @thejackbeyer 4 ч. назад

Tomorrow morning @SpaceX will attempt it’s second west coast Return to Launch Site booster landing. It’s pretty special to have the landing zone just a few hundred feet from the launch pad. Can’t wait to see if my remote cameras catch launch *and* landing. @NASASpaceflight



 
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Pauline Acalin‏ @w00ki33 5 ч. назад

It’s golden hour and things are looking ready for tomorrow’s RADARSAT mission here at Vandenberg AFB. Launch window opens at 7:17am PT. #spacex #radarsat #falcon9





4 ч. назад

Falcon 9 as seen from both remote camera sites at Vandenberg AFB this evening. Launch window for RADARSAT mission opens tomorrow morning at 7:17am PT. #spacex #falcon9 #radarsat




3 ч. назад

Two of my four remote cameras set to capture some stills of tomorrow’s RADARSAT launch. The one on the right is aimed at the landing pad. #spacex #falcon9 #radarsat

 
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TomCross‏ @_TomCross_ 5 ч. назад

Look at SpaceX Falcon 9 with RADARSAT and the tiny truck on the lower left. Launch at 7:17am PST.

 
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Jay L. DeShetler‏ @jdeshetler 2 ч. назад

Tomorrow between 7:17 and 7:30 am (PST), the SpaceX Falcon 9 - RADARSAT will launch and land back on the landing pad 1400' away 7 minutes later. The black scar on the landing pad is from SOACOM A booster which landed successfully at nighttime last year.






2 ч. назад

Finger crossing after two remote cameras and high fidelity audio recorder was setup to capture the landing of SpaceX RadarSat booster tomorrow am. @NASASpaceflight



 
https://spaceflightnow.com/2019/06/11/three-canadian-radar-satellites-ready-for-launch-from-california/
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Three Canadian radar satellites ready for launch fr om California
June 11, 2019 | Stephen Clark


Technicians prepare the Radarsat Constellation Mission satellites for encapsulation inside the nose fairing of a SpaceX Falcon 9 rocket. Credit: MDA/SpaceX

SpaceX teams working at Vandenberg Air Force Base in California were finalizing preparations Tuesday ahead of the launch of a Falcon 9 rocket Wednesday carrying a trio of Canadian-built radar observation satellites into orbit.

A few minutes after liftoff Wednesday morning, the Falcon 9’s first stage will return to a landing zone back at Vandenberg for SpaceX’s second onshore rocket landing in California.

The 229-foot-tall (70-meter) Falcon 9 rocket is set for launch at 10:17 a.m. EDT (7:17 a.m. PDT; 1417 GMT) Wednesday from Space Launch Complex 4-East at Vandenberg, a military base around 140 miles (225 kilometers) northwest of Los Angeles.

There is a 13-minute launch window for launch Wednesday, or else the Falcon 9 rocket will have to wait to fly another day.

Three 3,152-pound (1,430-kilogram) spacecraft are packaged on top of the Falcon 9 rocket to continue a series of Canadian radar observation satellites launched since 1995.

The Radarsat Constellation Mission, or RCM, consists of three identical satellites built by MDA, a Canadian division of Maxar. The Canadian Space Agency leads the project to provide radar imagery to the Canadian government in pursuit of national security, scientific research and environmental monitoring.

“We still have a bunch of check milestones to go, but so far, so good,” said Mike Greenley, group president of MDA, in a phone interview Tuesday from Vandenberg Air Force Base.

The Radarsat Constellation Mission follows Canada’s previous radar observation satellites, Radarsat 1 and 2, launched in 1995 and 2007.

“It’s extremely important for Canada,” Greenley said of RCM.

The RCM project is costing the Canadian government roughly $900 million (1.2 billion Canadian dollars), including the development of the satellites, the launch, and seven years of planned operations, according to Steve Iris, the RSM mission manager at the Canadian Space Agency.

That makes RCM one of the most costly Canadian-led space missions in history, and one of the most expensive payloads ever launched by SpaceX.

Each RCM satellite carries a C-band radar instrument, with a deployable antenna array, transmitters and receivers.

Unlike optical cameras, radars can see through clouds and make observations day and night. The radar instruments emit signals and measure the waves reflected off Earth’s surface, yielding information about structures, ships, forests, ice, and crops.
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https://www.youtube.com/watch?v=uk3wKOMjUnw


https://www.youtube.com/watch?v=act7U0dihXo
"В России надо жить долго.." (с)
"Вы рисуйте, вы рисуйте, вам зачтётся.." (с)
 
https://www.teslarati.com/spacex-falcon-9-radarsat-launch-watch-live/
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Posted on June 12, 2019

Current forecasts suggest that the traditional fog layer will begin to clear at 7am local time, around the same time that SpaceX’s RCM webcast will kick off.
 
https://spaceflightnow.com/2019/06/12/falcon-9-rcm-mission-status-center/
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06/12/2019 15:13 Stephen Clark

T-minus 2 hours, 4 minutes. After power-up and initial checkouts of the Falcon 9 rocket at Space Launch Complex 4-East, SpaceX's launch conductor will electronically poll the launch team at T-minus 38 minutes -- 6:39 a.m. PDT (9:39 a.m. EDT; 1339 GMT) -- for a "go" to proceed into the automated countdown sequence.

Assuming all systems are go, refined, super-chilled RP-1 kerosene will begin flowing into both stages of the Falcon 9 rocket three minutes later at T-minus 35 minutes -- 6:42 a.m. PDT (9:42 a.m. EDT; 1342 GMT).

Cryogenic liquid oxygen will begin pumping into the Falcon 9's first stage at that time. Liquid oxygen loading into the second stage will commence at T-minus 16 minutes.

At around the same time, the Radarsat Constellation Mission satellites will be switched to internal battery power and configured for liftoff.

Chill down of the first stage's nine Merlin 1D engines will begin at T-minus 7 minutes, followed by the alignment of the Falcon 9's guidance system and retraction of the launch pad's strongback structure a few degrees from the vehicle in preparation for engine ignition.

In the final couple of minutes of the countdown, the Falcon 9 will switch to internal power and its propellant tanks will be pressurized, prior to the command to ignite its nine main engines at T-minus 3 seconds.
 
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06/12/2019 15:25 Stephen Clark

Forecasters are predicting favorable surface weather for this morning's launch, with some patchy fog, visibility of 3 to 4 miles, winds of 5 to 10 knots, and a temperature of 52 to 57 degrees Fahrenheit.
 
https://spaceflightnow.com/2019/06/12/timeline-of-the-falcon-9-rockets-launch-of-the-radarsat-constellation-mission/
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Timeline of the Falcon 9 rocket’s launch of the Radarsat Constellation Mission
June 12, 2019 | Stephen Clark

Follow the key events of the Falcon 9 rocket’s ascent to orbit with three Earth observation satellites for Canada’s Radarsat Constellation Mission.

The 229-foot-tall (70-meter) rocket will lift off Wednesday at 7:17 a.m. PDT (10:17 a.m. EDT; 1417 GMT) from Space Launch Complex 4-East at Vandenberg Air Force Base in California. The Falcon 9’s first stage booster, which previously completed a launch and landing in March, will return for a propulsive touchdown at Vandenberg around eight minutes later.

Data source: SpaceX
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06/12/2019 16:26 Stephen Clark

The area around the Falcon 9 rocket's launch pad and flight path are confirmed clear at this time.
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