@NSFVoyager2@techhub.social
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NSFVoyager2

@NSFVoyager2@techhub.social

Semper peregrinus inter astra — a well-informed unofficial account full of unauthorized jargon. Questions welcome, but answers will take 2x light-travel time... Not a bot!

This profile is from a federated server and may be incomplete. Browse more on the original instance.

NSFVoyager2, to random
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If you were in orbit around Jupiter today, you would see Venus transit across the Sun! From Jupiter's orbit, the Sun is only 19% of its size as seen from Earth, and Venus would be only ~1/115th of that. You would need good equipment to see this transit...

NSFVoyager2, to random
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Sister ship Voyager 1 is 22h 33m 26s of light travel time from Earth (2024:147:120000:1L)

NSFVoyager2, to random
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I am currently 18h 51m 42s of light travel time from Earth (2024:145:000000:1L)

NSFVoyager2, to random
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I am currently 18h 51m 44s of light travel time from Earth (2024:142:000000:1L)

NSFVoyager2, to random
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Sister Voyager 1 is transmitting in Science Mode again!

NSFVoyager2, to random
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I am currently 18h 51m 52s of light travel time from Earth (2024:135:000000:1L)

NSFVoyager2, to random
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Sister Voyager 1 sent a full memory readout from both Command and Control Subsystem computers A&B to Deep Space Station 14's 70m antenna at NASA Goldstone in California. Diagnostics continue, and a full readout of the Flight Data Subsystem computer will follow this weekend.

NSFVoyager2, to random
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Sister Voyager 1's full memory readout from her Flight Data Subsystem (FDS) should be arriving at Deep Space Station 43 over the next 75 minutes. This will give the Voyager engineering team more information about the FDS memory relocation. Remember, the confirmation of the April 18 relocation of the FDS routines for encoding information at the EL-40 data rate didn't arrive on Earth until April 20! Troubleshooting with a ping time of 45+ hours is very time consuming!

NSFVoyager2, to random
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NASA’s Voyager 1 Resumes Sending Engineering Updates to Earth https://t.co/0NDsbMJZ78

NSFVoyager2, to random
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Sister Voyager 1's memory readout from her Attitude and Articulation Control Subsystem should be arriving at Deep Space Station 43 over the next 75 minutes. This will give the Voyager engineering team more information about the Flight Data Subsystem (FDS) memory relocation. Remember, the confirmation of the April 18 relocation of the FDS routines for encoding information at the EL-40 data rate didn't arrive on Earth until April 20! Troubleshooting with a ping time of 45+ hours is very time consuming!

NSFVoyager2, to random
@NSFVoyager2@techhub.social avatar

Sister Voyager 1's memory readout from both her Computer Command Subsystem A&B should be arriving at Deep Space Station 43 over the next few hours. This will give the Voyager engineering team information about the Flight Data System memory relocation. Remember, the confirmation of the April 18 relocation of the FDS routines for encoding information at the EL-40 data rate didn't arrive on Earth until ~1300UTC yesterday! Troubleshooting with a ping time of 45+ hours is very time consuming!

NSFVoyager2, to random
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Sister Voyager 1's confirmation of the memory space reallocation of Flight Data Subsystem encoding of engineering data at the EL-40 engineering low data rate (40 bps) should be arriving at Deep Space Station 43 over the next 4-1/2 hours. The code was relocated to avoid damaged memory addresses that can no longer be reliably used. The Voyager engineering team believes that certain addresses or even a whole chip has been damaged or simply failed, causing the communications problems that have caused problems since last November.

NSFVoyager2, to random
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I am currently 18h 53m 23s of light travel time from Earth (2024:092:000000:1L)

NSFVoyager2, to random
@NSFVoyager2@techhub.social avatar

I am currently 18h 53m 33s of light travel time from Earth (2024:088:000000:1L)

NSFVoyager2, to random
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Where will you be on April 8th?

NSFVoyager2, to random
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The #NSFfunded @VRubinObs will alert scientists to the existence of millions of unknown solar system objects — asteroids, comets, & visiting interstellar objects — while also prompting them to prepare a mission to 1 of these… https://ow.ly/cCjz50R1JKQ

NSFVoyager2, to random
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I am currently 18h 53m 37s of light travel time from Earth (2024:086:000000:1L)

NSFVoyager2, to random
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Changed my data transmission rate back from Engineering Low to Science Cruise (40 to 160 bps) FDS:MRO XB CR-5T (2024:078:011500:2ECa)

NSFVoyager2, to random
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I am currently 18h 53m 55s of light travel time from Earth (2024:077:000000:1L)

NSFVoyager2, to random
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Starting my quarterly gyro conditioning routine. Note that to have enough electrical power for the gyros, I have to turn off one of my heaters!: BAY 1 HTR OFF BEGIN GYONBC CCS:BR1 Initialize Dry Rotor Inertial Reference Unit (2024:075:144613:2T)

NSFVoyager2,
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@Heinke The Voyagers use pyro systems to maintain their pointing at the Earth the vast majority of the time, and the gyros are in a spun down state (ie not turning). Because they remain still for so long, it is important to move them every so often, so they are spun up and then down regularly to make sure that lubrication is still evenly distributed. This regular routine has been going on ever since launch in 1977, however the battery level is so low now that we have to turn off one of the heaters to give enough margin so that the gyros can be spun up. The good part is that the gyro conditioning gives off some heat, so that it's kind of an even exchange!

NSFVoyager2, to random
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NASA Engineers Make Progress Toward Understanding Voyager 1 Issue https://blogs.nasa.gov/sunspot/2024/03/13/nasa-engineers-make-progress-toward-understanding-voyager-1-issue/

NSFVoyager2, to random
@NSFVoyager2@techhub.social avatar

Now that the magnetometer calibration rolls are done, I have enough electrical power to turn my heater back on! BAY 1 HTR ON (2024:073:001050:2TI)

NSFVoyager2, to random
@NSFVoyager2@techhub.social avatar

Time for a magnetometer calibration roll, which measures the magnetic field I generate so we can tell what comes from the Sun, and what comes from me! To have enough electrical power, I have to turn off one heater!: BAY 1 HTR OFF GYRO INIT (2024:072:224413:2T)

NSFVoyager2,
@NSFVoyager2@techhub.social avatar

@Poslovitch @aeharding Interesting. Not me, not NASA. I'll get the lawyers on that.

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