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Questions tagged [data-storage]

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0
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1answer
87 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 ...
3
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2answers
118 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 ...
2
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1answer
52 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 ...
3
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1answer
146 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:...
5
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3answers
197 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 ...
28
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1answer
3k 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 ...
6
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2answers
140 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 ...
3
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0answers
244 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 ...
23
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1answer
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 ...
17
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2answers
1k 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 ...