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39 votes
2 answers
2k views

Is the software running on any existing or decommissioned space probes available for download?

I was wondering if it was possible to download the software that runs any of the computers on existing or decommissioned space probes, landers, etc. For example, could one download the software that ...
Fezter's user avatar
  • 1,138
36 votes
2 answers
7k views

Saturn V's external blueprints

I'm not sure if this is the right place to ask but I don't know where to ask. I want to get a high quality orthographic blueprints of NASA's Saturn V rocket with dimensions and everything (I need it ...
Avi Cohen's user avatar
  • 463
27 votes
3 answers
6k views

Why won't NASA show any computer screens?

This question was inspired by yesterday's NASA video stream of Perseverance landing on Mars (congratulations). I like watching rocket launches, they are really awe-inspiring, even if it's just a SN9 ...
Edheldil's user avatar
  • 371
26 votes
4 answers
7k views

Why doesn't NASA release all the aerospace technology into public domain?

NASA is a publicly funded US governmental agency, yet it does not seem to release all the technology it develops into public domain for people being able to study it and learn from it. For instance, ...
Kozuch's user avatar
  • 1,493
20 votes
4 answers
7k views

Why isn't SpaceX's Starship "trial and error" development strategy an open source project?

Some large community of space enthusiasts is working hard on simulating or extrapolating data on the SpaceX Starship. But this data isn't publicly available. So why don't they release it as an open ...
user avatar
15 votes
3 answers
2k views

Open source space exploration software projects accepting contributions

Sorry if this has been asked a lot, I couldn't find anything by searching the site. I'm a software engineer looking for an open-source space exploration project to contribute to in my spare time. No ...
LiamRyan's user avatar
  • 343
8 votes
2 answers
686 views

Can I release rocket plans or software under open-source licensing without running afoul of ITAR?

Related, but focused on export of hardware rather than laws on publishing data: Can I make a completely ITAR-free spaceship? Quite reasonably, a launch vehicle capable of taking a payload to orbit is ...
ikrase's user avatar
  • 8,923
7 votes
0 answers
786 views

Are software defined GNSS (GPS) receivers legal under ITAR and other export regulations?

With the latest update to ITAR rules, it looks like covered GNSS receivers are defined as follows: (2) Global Navigation Satellite System (GNSS) receiving equipment, as follows: (i) GNSS receiving ...
Manuel Menzella's user avatar
6 votes
1 answer
1k views

What does it mean when a software is called open-source for US-release only?

I saw this answer about MarsGRAM, and when I clicked on the NASA software link to read about it I saw at the bottom of the page a blurb for EarthGRAM 2010, an atmospheric model for Earth with likely ...
uhoh's user avatar
  • 148k
5 votes
1 answer
205 views

Is GNU Radio being used for any Deep Space Missions in development?

GNU Radio is an open source collection of code and tools to build various radio elements for a "Software Defined Radio" or a radio implemented with the help of an FPGA that is programmed to ...
Terrance Yee's user avatar
  • 2,294
5 votes
0 answers
299 views

Open source hardware at NASA

Given NASA has its open source software repository, I can not really find its open source hardware counterpart so I suppose such a thing does not exist. Is that true? The 3D models site (GitHub mirror?...
Kozuch's user avatar
  • 1,493
4 votes
1 answer
1k views

How open is NASA's "open source" GMAT software?

In answers and comments to What does it mean when a software is called open-source for US-release only? I found out that when NASA uses the term "open source" it does not mean open to everyone! ...
uhoh's user avatar
  • 148k
4 votes
0 answers
364 views

How much open source is the Apollo program today?

What percentage of NASA's Apollo program is considered to be open source as of today? I mean if I wanted to replicate a lunar mission from scratch exactly the same way they did it, regardless of the ...
Kozuch's user avatar
  • 1,493
4 votes
0 answers
189 views

Most open source spaceflight missions revealed unintentionally

As of 2021 there are few fully open source satellites (OSSI-1, UPSat, FossaSat-1, Oresat, some more?) and numerous student groups building and documenting rockets. These projects are intended to be ...
Kozuch's user avatar
  • 1,493
3 votes
1 answer
2k views

Open source liquid rocket engine

Is there an open source bi-propelant liquid rocket engine that would have all the documentation, computations, test results and 3D design files (CAD) freely accessible?
Kozuch's user avatar
  • 1,493
3 votes
0 answers
383 views

How to generate TLEs based on a set of observation points (location, azimuth, elevation... no range)

I'm interested in generating a "corrected TLE1" based on observation data. I would have observed azimuth and elevation, site location, and time. All of those data fields are observed with ...
Judd's user avatar
  • 91