Questions tagged [data-storage]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
0 answers
132 views

Was Starship 28 equipped with a "black box" designed to enable the recovery of flight data after a RUD during reentry?

Other terms used to describe a "black box" include Flight Data Recorder (FDR), Cockpit Voice Recorder (CVR), MADS (Modular Auxiliary Data System), and OEX (Orbiter EXperiments) recorder. ...
phil1008's user avatar
  • 4,240
0 votes
1 answer
320 views

Why does Interstellar Probe need 2 TB of memory

This article says that Interstellar Probe is supposed to have two terabytes of memory(which I assume means storage, not RAM). What does it need so much for? New Horizons had 8 gigabytes of storage, ...
G12's user avatar
  • 31
5 votes
1 answer
447 views

How does the Perseverance Rover store/process large quanties of images?

Dave Gruel (EDL Cam Sute Lead) mentioned on the surface update press conference (22 Feb) that that they collected 30GB of information, including 23,000 images. Where did this information go? Wikipedia ...
Trevor Ian Peacock's user avatar
6 votes
1 answer
2k views

why does the space / defense industry use VPX instead of PCI / PCIe?

I was reading Why is the James Webb Space Telescope's data storage space so small? and it mentioned Mercury's 440GB space-qualified RH3440 as being bleeding-edge technology for the space industry. ...
neubert's user avatar
  • 235
3 votes
0 answers
866 views

Are Solid State Hard Drives in space made from radiation-hardened FLASH memory, or do they just use older technology with higher voltage and charge?

Answers to Why is the James Webb Space Telescope's data storage space so small? have got me thinking. Solid State Hard Drives (SSDs) are usually made from FLASH memory though alternatives like ...
uhoh's user avatar
  • 149k
38 votes
5 answers
15k views

Why is the James Webb Space Telescope's data storage space so small?

In a previous question, I learned that the JWST's solid state recorder (SSR) can hold at least 58.8 Gbytes of recorded science data. Which each day requires two, 4 hour downlinks with earth to empty ...
Gabriel Fair's user avatar
  • 1,331
6 votes
2 answers
351 views

Have traditional spinning hard drives ever been used in space outside of pressurized crewed areas? Ever beyond LEO?

The Atacama Large Millimeter Array or ALMA is a radio telescope complex where signals from dozens of distributed dishes are routed to a single computer which performs interferometry and image ...
uhoh's user avatar
  • 149k
13 votes
1 answer
2k views

What are the data storage capabilities onboard the James Webb Telescope?

If something were to happen that would cause the James Webb Telescope to be unable to downlink its data to earth, how long could it continue collecting observations before it would run out of storage ...
Gabriel Fair's user avatar
  • 1,331
11 votes
1 answer
1k views

Do the Voyager probes transmit analogue or digital data?

When the Voyager probes take a picture or record other data, do they digitize it on board and send a digital signal to earth (i.e. zeros and ones) or do they transmit an analogue signal (like old-...
schtandard's user avatar
0 votes
1 answer
705 views

Displaying NMEA data in text console [closed]

I'm using an ublox EVK M8T and I'm trying to make a script that displays in text console in real time the data from NMEA and also the time marker from when an event happens. Is there a possibility to ...
Alexandru Lapusneanu's user avatar
4 votes
2 answers
207 views

An alternative to gold plated record?

Voyager's Golden record was recorded in an analog way. Its lifespan perhaps 1 billion years. Let's say that I would like to send an spacecraft with information recorded in digital. Which alternatives ...
Mr_LinDowsMac's user avatar
2 votes
1 answer
147 views

Syncom-3 was the first geostationary satellite. Anyone know of a description of the onboard electronics?

I am interested in any description of the electronics on Syncom-3, the first geostationary satellite. I've been able to find quite a bit of general information. There was a pair of 2 Watt TWTs and ...
Roger Wood's user avatar
  • 3,864
4 votes
2 answers
409 views

Apollo-11 AGC core memory has 5 wires per core (rather than 3 or 4) - why?

Apollo-11 AGC core memory has 5 wires per core (rather than 3 or 4) - why? I am referring to this image in Wikipedia: https://en.wikipedia.org/wiki/Apollo_Guidance_Computer#/media/File:...
Roger Wood's user avatar
  • 3,864
6 votes
3 answers
426 views

How was radio telescope observation data transferred before wide availability of high-speed Internet?

We are used to having hundreds of megabits or more per second of data transfer rates at our fingertips, over the Internet, straight to our desks. For higher-end connections, even multiples of gigabits ...
user's user avatar
  • 7,310
31 votes
1 answer
5k views

Does the tape recorder on Voyager-1 still work?

I'm preparing a talk on data storage for an ASME meeting. Given that it's 20 billion km away, I want to quote Voyager I as the "largest control loop" in existence. I'm guessing the tape recording ...
Roger Wood's user avatar
  • 3,864
7 votes
2 answers
195 views

Sneakernet: Would data return together with sample return be useful?

Mars 2020 will drill and store several surface samples until a return-to-Earth vehicle arrives. The rover will then use its arm to move its sample box to onboard the return vehicle. Could the rover ...
LocalFluff's user avatar
3 votes
0 answers
262 views

What will MOM do when Earth isn't looking?

A quick follow-up to Is each instrument on ISRO MOM independently in 24x7 contact with Earth? Every 26 months Sol interposes to occult Earth from the gaze of the Warlord. The last time this occurred ...
Everyone's user avatar
  • 13.6k
22 votes
1 answer
5k views

On-board computer / data handling system of Rosetta - details?

I seek detailed information on the computer and/or data handling system of Rosetta. Who manufactured it? What type(s) of CPU is used? What kind of architecture does it belong to and at what ...
s-m-e's user avatar
  • 6,571
17 votes
2 answers
2k views

What data compression algorithms have been successfully used in spacecraft?

Scientific spacecraft can generate very large amounts of data. However, both the storage available onboard the spacecraft and the bandwidth available to transmit the data to ground stations are ...
GreenMatt's user avatar
  • 1,431