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Space News

European Students to Put Microsatellite Into Orbit 117

Astervitude writes "A Frankenstein's microsatellite made out of parts "donated" by university students across Europe will be launched on September 30 atop a Russian booster. Space.com reports that more than 400 students "spread across 23 universities and 12 countries" spent 18 months designing and building the SSETI Express. While its acronym sounds suspiciously similar to that of a project that seeks to uncover signs of intelligent life beyond Earth, the SSETI or Student Space Exploration Technology Initiative mission is actually part of an effort by the European Space Agency "to boost student interest in space technology and offer some hands-on experience." The satellite itself weighs a mere 136 pounds and is the "size of a small washing machine", as shown in this ESA photo. Visitors to the mission site may want to check out the contest page for ham radio operators to help collect data from the satellite."
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European Students to Put Microsatellite Into Orbit

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  • More information (Score:5, Informative)

    by Savantissimo ( 893682 ) * on Thursday September 22, 2005 @02:56AM (#13619718) Journal
    From the SSETI Express [tuwien.ac.at] page:

    Payload systems:

    The Attitude Control and Determination System controls the attitude of the spacecraft using a pair of magnetorquers and a passive magnet and determines the attitude of the spacecraft using a magnetometer and a pair of sun-sensors.

    The camera uses CMOS technology and is capable of taking full colour pictures in the visual range at a ground resolution of about 100m per pixel, with an image size of 1280x1024 pixels. It will be used to take images of the Earth.

    The S-Band unit is the secondary communications system. It contains a microwave transmitter and TNC and is capable of 38400bps data downlink, or transponding audio from UHF via three patch antennas (S-Band ANT), acting as a voice repeater for radio amateurs.

    T-PODS - These three pods contain the three Cubesat passengers during the launch and coasting phases. After injection they will act as launcher tubes, ejecting the Cubesats from SSETI Express so that they can pursue their own missions.

    SSETI Express will carry three small nano-satellites into orbit as passengers. These will be ejected from SSETI Express shortly after the launch, and will then undergo their own, separate, missions.
    The three cubesats are:

    NCUBE-2 -Developed by the Andøya Rocket Range, Norway. This Cubesat will track boats around the Norwegian coastline (and one reindeer on land).
    [I, for one, welcome our new reindeer-tracking overlords!]

    UWE-1 - Developed by the University of Würzburg, Germany. This Cubesat will test new communications protocols.

    XI-V Developed by the University of Tokyo, Japan. This Cubesat will test commercial off-the-shelf technology and has a camera to take pictures of the Earth.

    SSETI Express has two 'radios' on-board.

    On UHF 437.250MHz there is a FM transceiver that can transmit and receive the AX25 packet telemetry and payload data at the data rate of 9k6bps. The transceiver produces approx 3 watts of RF output that feeds a canted 1/4 wave whip, which is mounted on the top plate. It incorporates a standard TNC7-Multi to convert the data to and from the OBC. It also has an audio and RSSI feed to the S-Band Tx. It was constructed by Holger Eckardt DF2FQ and is based upon his T7F UHF packet transceiver.

    Communications - On S-Band there is a transmitter on 2401.835MHz which can transmit packet data at a data rate of 38k4bps. It can also be configured to work in a voice transponder configuration. It produces approximately 2.5 watts of RF output which feed a three way splitter to the three patch antennas. The enclosure, power splitter and antennas were provided by the University of Wroclaw SSETI team and the electronics were produced by five members of AMSAT-UK. The unit comprises of a switch mode power supply, exciter board, amplifier board, controller board and a sensor board. The TNC is identical to the TNC7 Multi being used in the UHF transceiver except that it is set for a different baud rate.

    Typical Groundstation:

    To receive data from SSETI Express the requirements are similar to those for previous 9k6 Pacsats.

    To receive UHF telemetry, a steerable circularly polarised yagi with 12dBic gain with, preferably, a masthead preamplifier, should be satisfactory for reception of the data . The receiver must have an IF bandwidth of at least 20kHz and an audio output that is taken from the discriminator before any 'shaping'. This audio is then fed into a suitable KISS-enabled TNC which itself is connected to a PC normally via a serial port. To transmit to the satellite (when 'friendly telecommands' have been enabled) an RF output power of 10 watts on UHF should be sufficient.

    To receive S-Band data, the antenna gain will need to be more than 21dBic and in this case RHCP (right hand circular polarisation) is a must. Again a mast mounted preamplifier will be required. As the data rate is 38k4bps the IF bandwidth will need to be approx 80kHz together with a K
    • Funny that the OBDH (On-Board Data Handling System) Core for the ESEO is running Linux with 2.6.9 kernel. However all the decoding software I have found is all UI-View plugins for Windows. Is there (going to be) a Linux decoder out there? I can use Xastir to decode the AX.25 packets but I'd hate to hand decode the packets data.
      • Is that stable enough? I have enough problems getting my desktop system usable under linux 2.6, and if a satellite crashes you can't just hit the hard reset button.
        • short answer: yes

          long answer: in case of a crash you do not need to push the reset button. You could build in a watchdog card/timer that does that for you.

          I myself have not been able to crash the likux 2.6 kernel. In my 20 years computer experience I have crashed many systems, even commercial unix systems. So to me the KERNEL is pritty stable. Maybe you have problems with X11 or other programs on your desktop, but I doubt a satelite would need those....
          • long answer: in case of a crash you do not need to push the reset button. You could build in a watchdog card/timer that does that for you.

            I haven't tried with a hardware one, but my linux 2.6 instabilities hang it beyond where it'll reboot thanks to the software watchdog.

            Maybe you have problems with X11 or other programs on your desktop,

            Nope, whatever it is is locking it up to where I get no response out of sshd, apache or anything else. X doesn't even have to be running.

  • First the Russians, and now a bunch of European college students? Clearly, there is something about communism that makes people want to launch tiny satellites. ;)
    • by Patrik_AKA_RedX ( 624423 ) on Thursday September 22, 2005 @03:11AM (#13619756) Journal
      Well, it's not that we build small satelites, it's that Americans always need to build big things. Makes me think you're trying to compensate for something... ;-)
      • by Anonymous Coward on Thursday September 22, 2005 @10:56AM (#13621603)
        Well, it's not that we build small satelites, it's that Americans always need to build big things. Makes me think you're trying to compensate for something...

        Not at all, we have some really huge pricks in government.
    • by Vegard ( 11855 ) on Thursday September 22, 2005 @04:01AM (#13619864)
      I would not call Europe communist in general. Granted, we *are* more to the left - way more - than the US. But the fundamental difference is that we *do* have ownership rights, can start private companies, and there is a free market.

      However, we do have more things that are deemed to be the responsibility of the society. Things like education. Things like health service. Things that everyone generally need.

      I think this is a good thing. It (tries to) give everyone equal opportunity, regardless if they come from a rich or a poor family. Of course, it's not absolute, there are still private health service, there's private schools. But the general idea is that there are some fundamental rights people have, that the government should provide.

      Other than that, I (as a european) does not feel particularily that I live in a communist country.

      But for a country where everything is so much skewed to the right as in US, I guess that everything else is communist...
      • I would not call Europe communist in general.
        I would not call Europe communist at all, not even current Eastern Europe. If you knew what the actual real totalitarian communism was (and unfortunately still is in some corners of the World), you wouldn't even make the comparison.
      • But for a country where everything is so much skewed to the right as in US, I guess that everything else is communist...

        Please don't assume that all Americans are raving right wing nut cases. Nearly 50% of us aren't.

        • No, I wasn't really referring to that. I was referring to the fact that even the democrats are more to the right than the right-wing politicials here in social-democratic Norway, for example.

          Americans tend to refer to social-democracy as communism. While I was just stating that there are fundamental differences.

          What lies in social-democracy, is that a certain, pretty large, part of society is under government-control because it's deemed to be a fundamental right for people. Things like health care and educa
          • No, I wasn't really referring to that. I was referring to the fact that even the democrats are more to the right than the right-wing politicials here in social-democratic Norway, for example.

            Americans tend to refer to social-democracy as communism. While I was just stating that there are fundamental differences.


            This is a reflection of different historical development, I believe. It is more about words than political programs.

            Before WWII socialism and communism was considered evil by mainstream media everywh
            • You're definitely right that a big part of the problem in the US is the two party system.

              But education is another huge issue. Frankly, American public education is pretty horrible. The average American can't even define socialism, let alone understand the positives and negatives of a social welfare state compared to our current situation. The average American doesn't vote because they believe their vote won't count. And who can blame them when they face several hour long lines at election booths, harass
        • Ha, democrats would qualify as laissez-faire conservatives here.
        • Please don't assume that all Americans are raving right wing nut cases. Nearly 50% of us aren't.

          In Europe Kerry would be a far-right candidate too.

    • by Anonymous Coward
      hello? i thinnk you can count the communists in europe with both of your hands.
      at lest the parties).
      They are a small minority.
      What makes you think we are communists?
      I don't say the Americans are fascists!

      By the way, a well known german ex-chancellor once said:
      "Communists are red painted Nazi's"
      (Willi Brandt)
    • I wouldn't get too paranoid. Due to budget constraints, they were only able to put the satellite into orbit around Europe, and not the entire Earth.
    • Funny but the CubeSat concept was by a Stanford professor and is coordinated by another California university, Cal Poly.

      It's just that the international schools don't have the ITAR restrictions so they can actually get their satellites launched.

      CubeSat has a bunch of American CubeSats ready to go, just waiting on the Russians to launch it now. http://www.cubesat.org/ [cubesat.org]
      • 3 of them are being carried on Express. Unfortunately CubeSats are not really designed by students like SSETI's satellites, their critical sub-systems are based heavily on a design done by professionals. They are not nearly as interesting.
        • Funny, we designed the entire system. Afterwards the so called proffesionals told us there was no way we could fit dual redundant comm, CDH and peak power tracking on a a 4"x4" board. So we pulled the board out and showed them exactly how we did.

          Most if not all of the CubeSats are entirely designed by students, at least the ones I've seen, which includes all of them waiting for launch right now...
  • To boost interest? (Score:3, Insightful)

    by lifterx ( 916661 ) on Thursday September 22, 2005 @03:07AM (#13619746) Homepage
    Have kids grown out of the idea of becoming astronauts?

    I wish my school had a program like that, the closest we ever got to something like that was seeing who build the tallest free standing structure from a sheet of A4 Paper.
    • OK space sounds cool, but the average astronaught it seems to me is some coloniel in an air force - have to join the right army first and move upwards quickly.

      Moving along to funding the taxpayer in america it seems would prefer that his/her children learn how god created the earth in six days.

      To the staff of Nasa - it seems most of them where inspired by the moon landings, or 'rockets'. The book 'October Sky' by ex nasa employee Homer H Hickman sort of implies that.

      How about Burt Rutan and his spaceshi

    • Have kids grown out of the idea of becoming astronauts?

      Of course they have. It just isn't glamorous anymore. Manned space flight was done forty years ago. Modern day science fiction isn't about space flight but about computer networked big brother dystopias. Besides, modern media makes all scientists look nerdy and impopular. Why would a kid want to be an astronaut, of all professions?

  • by jurt1235 ( 834677 ) on Thursday September 22, 2005 @03:08AM (#13619747) Homepage
    I do not really consider a satellite the size of a washing machine micro. Maybe it should be called mini satellite, so we can make the step to micro a bit later, once it is for example big tower PC sized, so we don't have to step to nano satellites to fast to describe satellites the size of a basketball.

    Then again, following Jobs naming scheme: Nano follows on mini.
  • by FleaPlus ( 6935 ) on Thursday September 22, 2005 @03:10AM (#13619754) Journal
    It's not quite orbit (yet), but JP Aerospace has been running a PongSat program [jpaerospace.com] for the past few years which does something similar. Some of their past missions have gone above 100,000 feet, and would make great science fair projects for students. The description from their page:

    A PongSat is an experiment that fits inside of a ping pong ball.

    These ping pong ball 'satellites' are flown to the edge of space by balloon or launched in sounding rockets. The PongSats are then returned to the student.

    It's an easy and inexpensive way to get students excited about science and engineering.

    There are endless possibilities for experiments that can fit inside a ping pong ball. PongSat's can be as simple or complex as you want them to be. Experiments can be as simple as comparing how high a ball bounces before and after being exposed to vacuum. The PongSat can carry seeds to see if exposure to cosmic rays effect their growth. Several small inexpensive computers and other electronics can fit inside a PongSat. These can be used to create a wide range of experiments. Whether carrying a marshmallow to see if it puffs up in the vacuum of near space or an entire sophisticated satellite in miniature, PongSat can create motivation, drive
    and passion in the classroom.

    PongSats are flown at no cost to the student or school.
  • by Sattwic ( 545957 ) on Thursday September 22, 2005 @03:18AM (#13619765) Homepage Journal
    launched on September 30 atop a Russian booster
    Launching on a Russian Rocket & Booster is so cheap that its one of the best kept secrets... Now that these students have found out that Launching isn't that hard compared to building a Satellite, Serious fun is about to begin...

    Let the mass migration of Hackers to hacking and building Satellites begin!
    • Of course, there's just the small problem of them blowing up and not actually reaching space. Solar sail anyone?

      I'd rather get something into space on a shuttle than on a submarine ICBM.
    • Believe me getting a launch is not easy. Although I am not going to say it is harder than building a satellite, that is very hard too.
  • Oh goody... (Score:3, Insightful)

    by Bad to the Ben ( 871357 ) on Thursday September 22, 2005 @03:51AM (#13619845)
    I really hate to sound like a party pooper, but can we save space for those doing actual science? Space junk is prevalent enough, and competition for orbit space [esa.int] tight enough without adding more useless stuff to the mix. I mean, the most scientific items in the list of tasks are:
    -A camera with a 100m per pixel resolution (ridiculously low res, plenty of other picture taking sats available).
    -A Cubesat that will track boats around the Norwegian coastline, and one reindeer (just one reindeer? And can't we track boats with other means?)
    - A Cubesat testing new communications protocols (why can't this be done terrestrially or with equipment on the ISS?).
    - Another Cubesat that takes pictures and tests some gear (send it to the ISS).

    So, we've got 4 satellites up there, doing tasks which we can do via other means, wasting space. Why not send the equipment to the ISS? We did put it up there for a reason, didn't we?
    • by narduk ( 905001 )
      can we save space

      Yes,,,,the ever extending never ending space is going to be filled up soon if we dont stop young knowledge seekers and FAST.

      • I was referring to near-earth space (you probably knew that anyway).

        Exactly what knowledge are these "young knowledge seekers" seeking, anyway? As I mentioned in my other post, the experiments they're conducting have little to know scientific merit? Are they hoping to learn about any of these topics?:
        - Building a satellite: Probably, but humans already know how to do that.
        - How to build a rocket: They won't learn this, because the Russians are handling it and already know.
        - Rocket and Orbit trajectories: I
    • I bet you can't get anything sent to the ISS without paying some vast amount of money. Soaking up money seems to be the main reason that it's there.

      If someone just had a satellite and wanted it launched, they would go to the cheapest vendor. I bet the Russian launchers will quote a price that undercuts anyone else by a substantial margin.

      • Re:Oh goody... (Score:3, Interesting)

        I agree that sending something to the ISS via NASA would soak up large sums of money. But the Russians send flights to the ISS too, don't they? I mean, couldn't they just stuff this thing into one of those unmanned supply capsules they send up?

        Last I heard it was something like $20 mil to be sent up to the ISS via the Russian Space Agency. If it's that much for a person and their gear, surely it would be a lot cheaper to send an inanimate object?
    • Re:Oh goody... (Score:3, Informative)

      by tmortn ( 630092 )
      Ummmm just how do you propose to get it to the ISS this decade? Payload mass on Soyuz is laughable and beyond spoken for. A washing machine sized payload, or even the smaller cube sats has NO chance. Shuttle isn't much better... starting with the simple fact it isn't flying. After that ISS payload space is also spoken for and very behind schedule so again getting these things up there would take a long time and a lot of money clearing NASA's manned certification issues for launching a payload with a crew.

      Fr
      • Then just don't send it. As I said in my post, none of it strikes me as particularly scientifically useful, so just leave whatever can't be sent on the ground. Or, get some of the instruments bolted on to someone else's satellite, or have the same satellite sent up the same way but make it do something useful! Sending up a washing machine sized hunk of metal that takes crappy pictures, tracks a reindeer and makes beeping noises is a waste of resources.
        • Tell the kids involved in making this happen that this thing is not useful. Usefulness is not just about the technical sophistication of a project. This is a hands on project of a nature that few people ever actually get to be a part of.

          Space junk is an issue a grant... but why not then just argue that there should be a de-orbit plan that will take it out of orbit. Not argue it shouldn't be up there period.
          • I know what you mean, I'd hate it if I was involved in the project and it got cancelled. But IMHO the line has to be drawn somewhere, and I'd drawn it here. I mean, how many other university satellites are going to be put up? We can't very well refuse them now that this is going.

            I wouldn't mind anywhere near as much if their project was doing something useful. It doesn't have to be development of a warp engine or anything. The reindeer and fishing boat thing could be a decent project if they expanded the sc
            • Re:Oh goody... (Score:3, Insightful)

              by timmarhy ( 659436 )
              space junk my arse. i suppose you think some governing body should get to say who sends things into space, and i'd be right if i guessed it'd be american dominated, wouldn't i. named the last time anyone or anything was damaged by this rain of death of you seem to fear from space junk.
              • No, you wouldn't be right. Because I'M NOT AMERICAN (OMG!). I don't think there should be a governing body, I just think that people and space agencies together should decide to limit what goes up.

                And you know what, nobody has ever been killed by exploding the sun before, right? So why don't we just go and do that?

                Oh, and check out the nice 500 pound piece of junk in this article [space.com] that almost hit some guy's house in Texas, as an example of something that was almost damaged. In any case, I know it's unlikely
                • "debris in orbit could be a serious problem to satellites and other space exploration."

                  It is a huge problem. NORAD tracks countless pieces of space junk but there are plenty of things that are too small for NORAD to track, and those are the ones the we really fear. A collision, even with something very small, at orbital velocities can be catostrophic.
                  • Yes but the collisions are really only an issue at great differences in relative velocities. IE something traveling at 17,500 mph isn't going to have much of a problem with something traveling 17,499 if they are in the same orbit.

                    Furthermore speed determines your orbit altitude so anything in a more or less eastward orbit at the same altitude has essentially the same speed. Now there are issues with stuff in different orbits like say a 45 degree offset of intersecting orbits at which the relative velocities
            • Re:Oh goody... (Score:3, Informative)

              how many other university satellites are going to be put up?

              Uh, I hate to break it to you, but there are already a bunch up there. And more on the way. In the US alone, Stanford has launched a couple of satellites (Sapphire being the only one I can remember off the top of my head), Utah State & Weber State have launched one (NUsat), the Air Force Academy has put up several (FalconSat), and the University of Colorado has launched at least one (SNOE) - I've probably missed a bunch because I'm doing this

              • None of the satellites you have mentioned are designed completely by students. Express is not based on any designs made by professionals like CubeSats are.
            • It is useful at providing hands on astronatical engineering experience for students. And I have little problem allowing all universities doing similar experiments... especially if they are all collaborative excercises like this one.

              As for the utility of the rez of the camera it may surprise you to discover that many pictures provided by ISS ops are of similar or lower resolution. Neither are of any real significance when talking about high rez sattelite photography. Hell we don't even know what state of the
    • > Why not send the equipment to the ISS? We did put it up there for a reason, didn't we?

      I thought it was to provide a target for other space junk.
    • Re:Oh goody... (Score:3, Interesting)

      by timmarhy ( 659436 )
      your just pissed you don't have the talent to do the same. besides the fact that the PROCESS of building and using the satellite is a great learning tool, by your logic we only need to ever build one of everything, since we already have ONE why build another. totally rediculous and i can't believe you got modded informative.
      • FFS, I know I don't have the talent to do it, and good on them if they have the knowledge to do so. I'm happy for them, really. But can't they send up something useful instead of wasting resources? My objection is not to sending up stuff, it's sending up stuff that does not do useful science, and just adds to an increasingly serious problem. Most of this project IMHO does not perform useful science (the reindeer thing could be useful if scaled up, but low res images of Earth that we already have?). If they'
    • > So, we've got 4 satellites up there, doing tasks which we can do via other means,
      > wasting space

      It's called Space for a reason...because there's shit-loads of it! When it becomes a problem someone will send up another sat to bump the old crap ones out of earth orbit (or towards the earth if they want a fireworks display).
  • My microsatellites are potatoes, launched from a highly effective PVC pipe, powered by environmentally friendly hair spray. :)
  • It's a really interesting idea to use the radio amateurs as a network of ground stations. Maybe I should search my 9k6 packet radio equipment...
  • Is that deserving of a slashdot story?
    http://microsat.usc.edu/
  • by panurge ( 573432 ) on Thursday September 22, 2005 @04:40AM (#13619947)
    How big is that in terms of the standard SI unit of size (VW Beetles)? How small is it in the standard SI unit of smallness (iPod nanos)? Is that US washing machines, in which case it's pretty big, or European washing machines in which case it could be almost any size?

    Actually, given the dimensions and capability of the first artificial Earth satellite, Sputnik, it would be interesting to know how it compares. It would be amusing if the second space race - the race to be cheap, not to do things regardless of cost - was basically being led by a new generation of Sputniks on top of a new generation of Russian rockets.

  • A while ago a guy shipped himself in a box. Since this satellite is washing machine sized, I can imagine him fitting in this satellite. Maybe somebody can find his address, and ask if he is in for another, bit longer, but a lot faster trip.
  • by Saggi ( 462624 ) on Thursday September 22, 2005 @05:07AM (#13620007) Homepage
    For reference:

    Previous story on SlashDot about micro satelites:

    http://science.slashdot.org/article.pl?sid=05/08/3 1/0451217&tid=160 [slashdot.org]

    ... and some sattelites lauched before (from russia):

    (30. June 2003)
    http://dtusat.dtu.dk/ [dtusat.dtu.dk]
    http://www.cubesat.auc.dk/ [cubesat.auc.dk]
    http://www.utias-sfl.net/nanosatellites/CanX1/CanX 1Index.html [utias-sfl.net]
  • I hope that isn't a fan for air cooling I am seeing in the bottom left corner of the thing in this photo [esa.int].
  • when they could be working on building the oribting tie-off platform for a space elevator?
  • Looks like a Get Away Special box that used to fly on the US Space Shuttles. The Boy Scouts in the USA did a Get Away Special, originally scheduled for launch in 1986. It was put off by the Challenger explosion. It launched in the early 1990s. Nice to see European Universities catching up to the US Boy Scouts 13 years later (They launched theirs for $10,000 USD). See HERE [sossi.org]

    I wonder how come the ESA doesn't launch things like this. Russia that hungry for business maybe?

    • I wonder how come the ESA doesn't launch things like this. Russia that hungry for business maybe?

      Russians are much cheaper, but the ESA still owns half the world market because it is more likely to deliver the payload unharmed and in the right orbit. Still ESA itself also sends up payloads on Russian rockets for reasons of economy. Apparently they decided that this payload is not valuable enough to pay for a trip on an Ariane. The students can always build another one.
  • by xs650 ( 741277 ) on Thursday September 22, 2005 @10:08AM (#13621124)
    Please change title to "Russians put Europeon student's satellite in orbit."

    A bunch of students building a satellite is kinda neat, but far short of the neatness of actually putting it in orbit.
  • ...welcome our SSETI satellite overlords.
  • I first read the title as "European Students Put Microsoft Into Orbit" and got excited...

    ohwell...

  • Even high schools have sent up mini satellites.
  • ...Intelligent Design, and how abstinence is the way to success. But don't worry all these European students they will end up in American universities anyway, because you see the high NSF science budget can afford to attract...wait...no? It got reduced over the years?...well anyway the easy VISA and immigration laws will allow those students to unfold...wait...no?...there is a VISA/SEVIS hell right now...huh??

    Right, so as I was saying we don't want these liberal scum in our God fearing great country, ble
  • When I was an engineering student at Weber State University in the mid 80's we designed, developed, and built NUSAT for the FAA to monitor radar coverage patterns. The project was successful and we went on to do a couple more.
    It involved our Electrical Engineering, Computer Science, and Mechanical Engineering departments in a multidisciplinary development team.
    Been there - done it. I guess their claim to fame is they built it with scraps and donations...

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