The instantaneous launch window is at 8:02 p.m. PT (04:02 UTC on January 11).
The SpaceX webcast https://youtube.com/watch?v=bNAebzSvWt4 now says it will go live in 26 hours at 11:00 PM EST January 11 (though the description still they are targeting January 10).Sounds like another weather delay?
Official Vandy site gave out a severe weather alert for the entire base. Parts of the base are without power.https://www.vandenberg.spaceforce.mil/Portals/18/documents/VSFB_Weather_Warning_04.pdf
The next launch attempt for #Starlink Group 2-4 is now set for 2023-01-12 at 03:48:10 UTC with deployment at 04:17:15.680 UTC. Updated data is available at: https://celestrak.org/NORAD/elements/supplemental/table.php?FILE=starlink-g2-4
Quote from: jackvancouver on 01/11/2023 01:07 amOfficial Vandy site gave out a severe weather alert for the entire base. Parts of the base are without power.All of VSFB have redundant pairs or triples of diesel generators. Every site every radar, every telemetry receiver tracker etc. Such that downed lines will not take down critical power to infrastructure. All generators are powered up and floating hot on the grid so a even low power from the line trips out and generators take over without so much as a blink to the critical launch support infrastructure on both south base and north base.
Official Vandy site gave out a severe weather alert for the entire base. Parts of the base are without power.
Quote from: oldAtlas_Eguy on 01/11/2023 01:44 amQuote from: jackvancouver on 01/11/2023 01:07 amOfficial Vandy site gave out a severe weather alert for the entire base. Parts of the base are without power.All of VSFB have redundant pairs or triples of diesel generators. Every site every radar, every telemetry receiver tracker etc. Such that downed lines will not take down critical power to infrastructure. All generators are powered up and floating hot on the grid so a even low power from the line trips out and generators take over without so much as a blink to the critical launch support infrastructure on both south base and north base.I'd assume the diesels are only fired up during a launch campaign? It would seem incredibly wasteful to run them all the time.If they really need 24 hour/day coverage there are much better systems available. For our internal data center, where we want continuous coverage without even glitches, we use a combination of flywheels and generators. The flywheels are continuously spinning, but they are in a vacuum so the losses are low. If the power fails, the flywheels support the load (glitch free) for about 20 seconds. During those 20 seconds, the diesels start and sync to the flywheel power for another seamless handover. This gives very solid power with relatively little emissions (dominated by the weekly testing of the diesels).
Quote from: LouScheffer on 01/11/2023 12:35 pmQuote from: oldAtlas_Eguy on 01/11/2023 01:44 amQuote from: jackvancouver on 01/11/2023 01:07 amOfficial Vandy site gave out a severe weather alert for the entire base. Parts of the base are without power.All of VSFB have redundant pairs or triples of diesel generators. Every site every radar, every telemetry receiver tracker etc. Such that downed lines will not take down critical power to infrastructure. All generators are powered up and floating hot on the grid so a even low power from the line trips out and generators take over without so much as a blink to the critical launch support infrastructure on both south base and north base.I'd assume the diesels are only fired up during a launch campaign? It would seem incredibly wasteful to run them all the time.If they really need 24 hour/day coverage there are much better systems available. For our internal data center, where we want continuous coverage without even glitches, we use a combination of flywheels and generators. The flywheels are continuously spinning, but they are in a vacuum so the losses are low. If the power fails, the flywheels support the load (glitch free) for about 20 seconds. During those 20 seconds, the diesels start and sync to the flywheel power for another seamless handover. This gives very solid power with relatively little emissions (dominated by the weekly testing of the diesels).That's a rock-solid 1970's solution. A new installation would probably use Megapacks.
This launch is jinxed.
Now targeting Falcon 9's launch of Starlink on Sunday, January 15 at 8:18 a.m. PT from California for constellation optimization
