GPS III SV04 - Falcon 9-098 (B1062.1) - CCAFS SLC-40 - 05.11.2020 23:24 UTC

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 Falcon 9 Block 5 @Falcon9Block5 38 с

#SpaceX #GPSIIISV04 Countdown NET Update: T-1:40:00 Data Flow Tests with Downrange Tracking Stations. Weather is 70% favorable and #Falcon9 is healthy.

[tnt22]

 Falcon 9 Block 5 @Falcon9Block5 18 с

#SpaceX #GPSIIISV04 Countdown NET Update: T-1:30:00 Blast Danger Area Clear, Roadblocks Established. Weather is 70% favorable and #Falcon9 is healthy.

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10/03/2020 03:13 Stephen Clark

T-minus 90 minutes. Here are some statistics on today's launch:

• 94th launch of a Falcon 9 rocket since 2010
• 102nd launch of Falcon rocket family since 2006
• 1st launch of Falcon 9 booster B1062
• 82nd SpaceX launch from Florida's Space Coast
• 58th Falcon 9 launch from pad 40
• 4th Lockheed Martin-built satellite launched by SpaceX
• 17th Falcon 9 launch of 2020
• 17th launch by SpaceX in 2020
• 20th orbital launch based out of Cape Canaveral in 2020

[tnt22]

 Falcon 9 Block 5 @Falcon9Block5 23 с

#SpaceX #GPSIIISV04 Countdown NET Update: T-1:20:00. The SpaceX Launch teams are currently conducting a weather briefing to assess tonight's launch conditions. #Falcon9

[tnt22]

 Falcon 9 Block 5 @Falcon9Block5 2 мин. назад

#SpaceX #GPSIIISV04 Countdown NET Update:
T-1:18:00
Launch Readiness Poll Complete,
Final Tank Chill-In,
Tanks vented for Propellant Loading,
Launch Enable to Flight Mode.
Weather is 70% favorable and #Falcon9 is healthy.

[tnt22]

10/03/2020 03:27 Stephen Clark

A check of current weather conditions shows all parameters are observed "go" for launch of the Falcon 9 rocket from Cape Canaveral's Complex 40 launch pad at 9:43:30 p.m. EDT (0143:30 GMT).

[tnt22]

 Falcon 9 Block 5 @Falcon9Block5 1 мин. назад

#SpaceX #GPSIIISV04 Countdown NET Update: T-1:13:00
Latest Tanking Poll Complete. The weather is green and #Falcon9 is healthy.

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10/03/2020 03:45 Stephen Clark

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10/03/2020 03:57 Stephen Clark

SpaceX's launch conductor is expected to poll the Falcon 9 launch team in a few minutes for approval to begin fueling the 229-foot-tall (70-meter) rocket at pad 40.

[tnt22]

Аудиодорожка из ЦУП

youtu.be/-v1-zfYUZrs

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COUNTDOWN
Hr:Mn:Sc	Event	EDT	UTC	ДМВ
00:38:00	SpaceX Launch Director verifies go for propellant load	21:05:30	01:05:30	04:05:30
00:35:00	RP-1 (rocket grade kerosene) loading underway	21:08:30	01:08:30	04:08:30
00:35:00	1st stage LOX (liquid oxygen) loading underway	21:08:30	01:08:30	04:08:30
00:16:00	2nd stage LOX loading underway	21:27:30	01:27:30	04:27:30
00:07:00	Falcon 9 begins engine chill prior to launch	21:36:30	01:36:30	04:36:30
00:01:00	Command flight computer to begin final prelaunch checks	21:42:30	01:42:30	04:42:30
00:01:00	Propellant tank pressurization to flight pressure begins	21:42:30	01:42:30	04:42:30
00:00:45	SpaceX Launch Director verifies go for launch	21:42:45	01:42:45	04:42:45
00:00:03	Engine controller commands engine ignition sequence to start	21:43:27	01:43:27	04:43:27
00:00:00	Falcon 9 liftoff	21:43:30	01:43:30	04:43:30
	All Times Are Approximate

[tnt22]

 Falcon 9 Block 5 @Falcon9Block5 3 мин. назад

The #SpaceX launch director has given the GO to begin loading propellants onto the #Falcon9 launch vehicle ahead of tonight's 09:43:30PM EDT | 06:43:30PM PDT | 01:43:30 UTC launch of the #GPSIIISV04 mission.

[tnt22]

 Falcon 9 Block 5 @Falcon9Block5 57 с

#SpaceX #GPSIIISV04 Countdown NET Update: T-0:35:00
1st Stage Liquid Oxygen & RP1 Loading. The weather is green and #Falcon9 is healthy.

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Пошла муззаставка

[tnt22]

10/03/2020 04:22 Stephen Clark

Filling of the Falcon 9 rocket with super-chilled, densified kerosene and liquid oxygen is underway at Cape Canaveral. This will mark SpaceX's 17th launch of the year, and the 94th flight of a Falcon 9 rocket since June 2010.

The liquid oxygen flowing into the first stage is chilled to near minus 340 degrees Fahrenheit (minus 206 degrees Celsius).

[tnt22]

 Falcon 9 Block 5 @Falcon9Block5 1 мин

#SpaceX #GPSIIISV04 Countdown NET Update: T-0:15:00 1st Stage LOX Load in Pre-Topping. The weather is green and #Falcon9 is healthy.

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10/03/2020 04:30 Stephen Clark

The GPS 3 SV04 navigation spacecraft has switched to internal battery power in preparation for liftoff.

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10/03/2020 04:36 Stephen Clark

Hydraulics in the first and second stage Merlin engines are being activated for the Falcon 9's steering system.