Thanks, found the answer. High-Powered Antennas. KSP 1.2: How To Create a Geostationary Relay Network 1 Answer Sorted by: 10 For most practical applications an easy solution is to have a ring of three evenly spaced satellites in high (2500km-7000km) circular equatorial orbits. If you use CKAN, drop your 'installed-default.ckan' file here to auto select mods explain this. Use RA-2 relays. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Use RA-2 relays. 2 identical dishes have a power of 1.68 times a single dish, and 4 dishes have a power of 2.8 times a single dish. By the end, you should understand: You must have researched Flight Control, which unlocks the Stayputnik probe core and the Reflectron DP-10 omnidirectional antenna. Could someone explain that as well? If you have solar panels, you need to make sure they get deployed once out of the atmosphere, or your satellite may run out of power before its next pass over KSC. The transmission would be 13 packets and consume 78 in 7.8 seconds. The pod is a little tiny 1-kerbal unit that is perfect for small landers from one of the Umbra Space Industries mods. Why did DOS-based Windows require HIMEM.SYS to boot? Were fuel efficiency your only concern, you would want a long, flat launch path to build up speed, and some mods (particularly Ferram Aerospace Research) encourage this. Let's ignore occlusion by Mun and Minmus for now and focus only on what it takes to not get blocked by Kerbin. How can I control PNP and NPN transistors together from one pin? Use RA-2 relays. Relay antennas are exclusively non-foldable, so has anyone come up with a way to fit more than one relay satellite onto a rocket without using huge parts? Since Kerbin is faster than, say, Jool, the second satellite you launch will end up forward the first anyway. For the first, I settled on an orbital altitude of 7.5Gm. Select mods using text field above and KerbalX will find craft that use those mods. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Tutorial:Setting up a CommNet system - Kerbal Space Program Given the nature of orbits, this wouldnt be too much of a problem since the satellite would come back around again, except that on that first crucial launch, you need control to circularize your orbit. Ok cool, thanks for the help guys! However, no matter how much the distance between the satellites, the transmission will ultimately end up at Kerbin, or else the transmission will not be established at all. Mun/Minmus occlusion: All the satellites can get occluded when either. On the other end, if you go over 8970km, you will get into the Mun's sphere of influence, and your satellite will get thrown off trajectory when an encounter happens. "beep beep beep beep" - Leonard Nimoy, using the flight computer to get into orbit, how to keep control of unmanned rockets from liftoff to orbit. 1% signal strength), then it will not switch to using a relay (even if it could boost signal to 99%) until something blocks the direct signal path and forces the sat to switch. Each additional dish adds less power than previous dishes, so if those are all RA-2 dishes for example with a range of 2 GM each. The mission was to do a large number of science experiments in every Mun biome in one trip. Kerbal Space Program 1 KSP1 The Spacecraft Exchange Post Your Satellite Designs Post Your Satellite Designs By Wcmille, December 28, 2016 in KSP1 The Spacecraft Exchange Share Followers 1 Reply to this topic Start new topic 1 2 Next Page 1 of 2 Wcmille Members 116 312 About me: Rocketman Posted December 28, 2016 If the satellites are high up the spots will be really small, but any terrain irregularities close to them will easily block the signal. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Of course the trouble in KSP doesn't have Lagrange points (which is what Queqiao . Reddit and its partners use cookies and similar technologies to provide you with a better experience. Use RA-2 relays. Your satellite may just not be powerful enough to be better than Kerbin ground stations. Although I am checking in version 1.5, so they might have new skins in later versions. They are 100G, but noted, thanks. An alternate strategy is to bind the antenna to an action group together with the satellites solar panels, and trigger the group to deploy everything once you leave the atmosphere. Making three trips per body seems like a complete waste of time and resources when these satellites weight so little. ], Maintaining control during probe atmospheric landing with RemoteTech. If you put the relays on opposite sides of a highly elliptical polar orbit, you should have very little loss of signal time. So I am trying to build an efficient network of relay satellites to allow me to communicate with spacecraft exploring the far sides of the Mun and Minmus. Once you are coasting to apoapsis, set a maneuver node to represent the final burn to reach orbit. On 8/28/2019 at 3:51 PM, Cavscout74 said: On 8/30/2019 at 3:57 PM, vossiewulf said: This thread is quite old. Relay not working - KSP1 Technical Support (PC, unmodded installs This page was last edited on 19 July 2020, at 20:55. In fact, all you have to do is divide the period of the target orbit by the number of satellites times the absolute value of the factor 1 - p/k, Let's try it for your first constellation : Type 1m (for one minute, or whatever delay you think you need to be clear of that pesky air) in the lower right text box, then press enter. Polar triangle orbit above 130km. That still didn't work. So the actual separation, in time, is actually t - t2 = t - t*p/k = t*(1 - p/k). Helpful Linkshttps://wiki.kerbalspaceprogram.com/wiki/Comm. A second equatorial triangle orbit at around 300,000km. Which gives t = p/(4(1 - p/k)) It's not them. Polar triangle orbit above 200km. Fortunately, getting into a stable orbit before you lose control doesnt demand any precision computing. And for total coverage do triple relay sat launches for the Mun and Minmus. Dedicated to the growth and advancement of amateur rocket scientists! A set of 24 evenly spaced satellites at around 50,000,000km. Use mod filters to select craft that; will work With selected mods. I thought the gold bit was a probe core, but it's the wrong shape. You can do the same on upper levels using cubic octagonal struts to create extra nodes). You can post now and register later. If you have an account, sign in now to post with your account. So you see that you should further increase the delay between each launch to 81 days. What antenna are you using on the relay? 184 / (4*0.568) = 81 days. The relay sats don't need much v - just enough to put them in the orbit you want after you get to Eve. Equatorial triangle orbit above 138km. So unless you are talking to Dres that is probably overkill, and depending on what dish those are they might not reach out to Jool. I would like the satellites in each constellation to be equally spaced. Use RA-2 relays. The best answers are voted up and rise to the top, Not the answer you're looking for? Once the solar panel command(s) are in the queue, type 0 followed by enter to reset the delay (otherwise ALL your commands will have a delay). Which is a pain so avoid this if at all possible. Solves a lot of problems. New comments cannot be posted and votes cannot be cast. Polar triangle orbit. For more information, please see our Or, to put it more simply, you have to divide your initial 46 days by the factor 1 - p/k. Hello- I thought in this play-through it would be fun to set up my own relay satellite network. Satellite exploding while in transfer orbit. Check that the Delay (+ signal) display reads one minute. There is also an advanced difficulty setting where you don't have stations all over Kerbin but only have the KSC. Why has my Command Module's orbit not decayed? This is useful for setting up things like CommNet constellations. You usually put a relay antennae in orbit of a planet so you can bounce a signal from the KSC to a place where it normally would not be able to reach, such as the side of the moon opposite kerban where line of sight is blocked by the moon or on a distant planet where the signal cannot normally reach. Equatorial - This system has blind spots on the surface. The DP-10s main disadvantage is its 500 km range. You may omit the third ring but deep space coverage in the outer system may be a bit spotty. That way, you wont have to worry about running out of power while halfway around Kerbin. The large solar panels sort of look like Gigantor arrays maybe on pipes or actuators? Use RA-2 relays. This satellite is out of control . The final queue should look something like this picture (the Toggle SAS command is optional). What "benchmarks" means in "what are benchmarks for?". How Does Power Effect Relays? :: Kerbal Space Program General Discussions Really like the design of your quad-probe. What are the advantages of running a power tool on 240 V vs 120 V? I am trying to deploy three relay satellite constellations. Relays Not Working :: Kerbal Space Program General Discussions :D. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. what's wrong here? 3 Satellites in an equal orbit forming an equalateral triangle with eachother. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Resonant Orbit Calculator (Kerbal Space Program) - meyerweb.com Archived post. Circle The period is the same as the target orbital period. You now have a basic satellite in orbit around Kerbin. It's reasonably accurate over close-ish values to take the average, but the actual math is the square root of (the first vessel's power x the second vessel's power). Of course if you want to place your satellites evenly on the same orbit as they already are, without fiddling with temporary elliptical orbits, then they'll just stay right where they are for eternity And since I did not test all of this and could have made a huge and humiliating mistake, please tell me if your tests prove me right ! Hence, by launching a second satellite at t, this one is not only t days behind the first, but also t2 forward. Kerbin, Mun and Minmus block one satellite each, or. Double-check that you have enough panel and battery capacity to cover the energy needs of your antenna(s), since RemoteTech antennas use a lot more power than the stock versions. I thought the gold bit was a probe core, but it's the wrong shape. Relay Satellites give the function for other Probes to stay connected to the Kerbal Space Center without having the requirement to be in the line of Kerbin, or the range. For a start, I have placed a relay satellite in KEO. For most practical applications an easy solution is to have a ring of three evenly spaced satellites in high (2500km-7000km) circular equatorial orbits. I want to send a probe to Eve as this is my first planetary mission and I'd rather not risk kerbals. In fact, all you have to do is divide the period of the target orbit by the number of satellites times the absolute value of the factor 1 - p/k. I like to stack multiple satellites per level, as shown below (those are smaller sats of course, but the same concept applies). Placing the satellites in a roughly equatorial orbit leaves the blind spots at the poles (our main concern is that the KSC does not get into the blind spot). Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Circular orbit - Just easier to work with (and to do the math). Really like the design of your quad-probe. I have too many KSP screenshots. In order to have remote control of a vessel, it must have a communications link with Kerbal Space Center. You just made my KSP save a whole lot cooler. Relay Satellite - Kerbal Space Program Wiki So I am trying to build an efficient network of relay satellites to allow me to communicate with spacecraft exploring the far sides of the Mun and Minmus. So, for example, if we have three satellites 120 degrees apart, adding the fourth halfway between two of them is bad, as 120+60=180 and it can still get occluded. Polar orbit above 6,000km. Privacy Policy. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. All trademarks are property of their respective owners in the US and other countries. Right: The position of a satellite in an 80km orbit just before it loses line of sight with KSC. Use RA-2 relays. At low tech levels you have access to only three antennas: the Communotron 16, the Reflectron DP-10, and the Comms DTS-M1. Relay Networks in KSP : r/KerbalAcademy - Reddit Paste as plain text instead, It only takes a minute to sign up. A set of twelve evenly spaced relays at around 25,000,000km. Otherwise this scheme is resistant to placement errors. Upload or insert images from URL. Resonant Orbit Calculator (Kerbal Space Program) Resonant Orbit Calculator Calculate the resonant orbit needed for a carrier craft to inject craft it carries, like satellites, into equidistant positions of a shared circular orbit. You build relays satellites at the target not the source, they don't do anything orbiting kerbin. This is a small cost to do and allows you to range much further than KSC can pull off. What does 'They're at four. The second one uses Coatl Aerospace antennas (he has lots of useful antennas) and a bunch of Near Future parts, Solar/Electrical/Construction, and I think some Contares parts too. Especially early on, the large relay will get sent as a science probe that can also act as a relay, then later in the career the smaller relay network will get set up. My rule of thumb is generally, one dish is good, two is better, if I have to do more than 4 I might want to look at sending up two probes instead. Note: This is ONLY to be used to report spam, advertising, and problematic (harassment, fighting, or rude) posts. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. If you have another antenna, you can move the DP-10 from the satellite to the launchers upper stage, so you can discard it once its served its purpose. Let's say p is the period of your target orbit and k the period of Kerbin orbit. two satellites line up and both get occluded by Mun/Minmus, and the last one gets occluded by the other one. Why are players required to record the moves in World Championship Classical games? When do relay satellites kick in? :: Kerbal Space Program General Use RA-2 relays. Kerbin has done a portion t/k of its orbit, which corresponds, for a satellite on target orbit, of a advance of t2 = p*t/k. www.Twitter.com/Matt_LowneThe background music is the gallery theme from Sonic Generations, and the outro music is the rooftop run theme from the same game.C. Well actually kinf of yes. Why do men's bikes have high bars where you can hit your testicles while women's bikes have the bar much lower? Powered by Invision Community. Its antenna is a Communotron 16. To play this tutorial, you should already know how to launch non-RemoteTech rockets, including basic rocket design, staging, and using maneuver nodes. https://wiki.kerbalspaceprogram.com/index.php?title=Relay_Satellite&oldid=104907. Was Aristarchus the first to propose heliocentrism? If you have the Comms DTS-M1, right-click on it while on the launchpad, then click the button marked No Target. Method 1: Steep Ascent. Any clues? It consists of three co-orbital satellites, 120 degrees apart. [1.3, 1.4, 1.5, 1.6, 1.7, 1.8+] Contract Pack: CommNet Relays 2.1.0 Showing 1 - 13 of 13 comments How to combine several legends in one frame? A set of six evenly space relays at around 4,000,000km. I think I have a pic around here somewhere I'll try to dig it up and update this post with it. Antenna - Kerbal Space Program Wiki So how do you launch and control the very satellites that are supposed to help you do the controlling? Anyway, worth mentioning is that this is a very inefficient way to do a relay satellite. To control a probe or satellite from the ground, you need a reliable communications link over which to send commands to mission control. These relays are for connecting with deep space probes. These are landers, but it works just as well with satellites. Did the Golden Gate Bridge 'flatten' under the weight of 300,000 people in 1987? This video tutorial demonstrates how to build, launch and set up a relay satellite network in KSP. Use RA-100 relays. Let's try it for your first constellation : Period of target orbit p = 184 days. rev2023.4.21.43403. If not, is there a mod or config option to make folding antennas work as relays? You could launch them one at a time from Kerbin and do all kinds of shenanigans to get them into a common orbit (say, 100,000 km above Minmus) at 120-degree intervals along that shared orbit. Connect and share knowledge within a single location that is structured and easy to search. If you have an antenna other than the DP-10, you will need to activate it in flight. Period of Kerbin orbit k = 426 days. Unfortunately, a path like that means you wont reach orbit until you are out of sight of Mission Control, and therefore out of contact. I've just started playing 1.2, loving it so far! I tried launching one satellite every 46 days, but that didn't work. they have have antenna extended and are in range but their not bouncing back signals to get full conection. This can be easily solved with the addition of one more satellite (at a later point), just make sure no two satellites line up when Kerbin blocks one of them. Blind spots: Having a ring of satellites leaves blind spots on the surface (poles in case of equatorial ring). One long-range relay satellite in a very eccentric near-polar orbit (~80 km periapsis, ~80,000 km apoapsis, inclination near poles). (A spacecraft consisting of a pilot would not be affected.) All rights reserved. What's the difference between relay and direct antennas? :: Kerbal I have bi-coupler and tri-coupler versions also. There are two ways to avoid this, depending on your play style: following a steep launch path or using the flight computer. The orbital altitude must be greater than the radius of the body you are orbiting. (I recommend the decoupler be set to 0 force so your orbits don't change when you detach.) Connect and share knowledge within a single location that is structured and easy to search. That is, if this calculation shows you should launch every 550 days for a 100 days period target orbit, of course you should modulo that to a 50 days delay. If you dont want the full Life support experiance make sure you disable food/water/o2 ect in the mod options in the menu system. Polar triangle orbit above 600km. Relay antennas are exclusively non-foldable, so has anyone come up with a way to fit more than one relay satellite onto a rocket without using huge parts? It brought me ~30-40 days separation. Or you can just leave it where it is, happily beeping away. Valve Corporation. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Relay Satellites are used to communicate with the Kerbal Space Center without the need for a direct connection to it. You only really need one, back it up with a few smaller much lower-power relay sats in close orbit around Kerbin to ensure global coverage. Your previous content has been restored. 2 Satelites in matching orbits in opposite ends of eachother. So there, the separation will be of p*t/k - t, but "forward". 1 Relay Satelite in Stationary orbit in the Center of the light side of Minmus. A high orbit is easier to work with. I basically do what @Geonovast posted. For an inner orbit (pPost Your Satellite Designs - KSP1 The Spacecraft Exchange - Kerbal ', referring to the nuclear power plant in Ignalina, mean? https://wiki.kerbalspaceprogram.com/index.php?title=Tutorial:Setting_up_a_CommNet_system&oldid=99428, Underneath, add a reaction wheel and a few z-1k battery banks. Yeah, I like parts, so I have mostof them. I was sort of inspired to do this by how the Chinese Chang'e 4 lander uses the Queqiao relay satellite to communicate with Earth from the far side of the Moon. Use RA-100 relays. Two satellites with a single 100g relay dish each can always talk from Jool to Kerbin, and a probe with a 100g direct link can always talk to KSC if it has line of sight. Then, open the flight computer by clicking on the calculator icon below the mission clock, followed by to open the command queue. Period of target orbit p = 184 days How to build a satellite network around Kerbin which guarantees full coverage? Setting the target now will give you one less thing to worry about in the hectic minute before orbital insertion. Three panels is enough for near Kerbin, but you'll need more if you go farther out. Learn more about Stack Overflow the company, and our products. How many relay satellites in what kind of orbits around Kerbin do you need to ensure you always have a connection to the KSC? The contract is to send a satellite with an appropriate dish or combination of dishes into an orbit low enough that surface missions can use the whip antenna instead of having to pack a big dish (so long as a relay is overhead, of course). I did a six-lander Mun invasion once, with landers very similar to what you see above stacked six high with stack separators between each and an orbital maneuvering stage with lots of Dv for multiple plane changes. Use RA-2 relays. Arqade is a question and answer site for passionate videogamers on all platforms. What risks are you taking when "signing in with Google". A relay satellite must have at least one relay-capable antenna and a probe core. Equatorial triangle orbit above 320km. Archived post. On what basis are pardoning decisions made by presidents or governors when exercising their pardoning power? Dont forget to reset the delay to 0 when youre done! It looks more or less stock to me, although on close inspection it has some fiddly bits I can't quite identify. Use RA-100 relays. > I like to use my polar relay as a synchronization timer in case my Draim constellation desynchronizatizes. Doesn't save mass, but it does allow for SLIGHTLY longer satellites. r/KerbalSpaceProgram on Reddit: KSP Relay Network Guide I can't see why they wouldn't be able to. Didn't know about having to enable the option. rev2023.4.21.43403. Send a couple small relay satellites with your probe. This tutorial covers the basics of launching a standalone satellite in RemoteTech. To clarify, I understand the irl counterpart to a relay Network I'm more wondering if they're actually useful/needed in the game. Now warp to your Ap and deploy the first relay. so a relay antenna can used to connected multiple satelites and the KSC for example normal antenna - relay - relay - relay - KSC -> works relay - normal antenna - relay - KSC -> dont work #3 321 Oct 29, 2016 @ 10:12am So.. About 3000g orbiting outside Minmus. However, I was wondering, in what circumstances does your vessel bounce its signal off a relay satellite? Helpful Linkshttps://wiki.kerbalspaceprogram.com/wiki/CommNethttp://forum.kerbalspaceprogram.com/index.php?/topic/149099-commnet-signal-strength-calculator-antenna-selector/https://ksp-visual-calculator.blaarkies.com/https://wiki.kerbalspaceprogram.com/wiki/Tutorial:Ideal_Orbits_for_Communication_Satelliteshttps://wiki.kerbalspaceprogram.com/wiki/Tutorial:Setting_up_a_CommNet_system00:00 Constructing the Relays02:46 Launching for our Destination04:04 Deploying the Relay Satellites You then need to have (for 8 satellites) p/8 = t*(p/k - 1) with t the time between launches. I got the same answer from the KSP fora, but with minimal explanation of the underlying math. Adding EV Charger (100A) in secondary panel (100A) fed off main (200A), Generic Doubly-Linked-Lists C implementation. Its antenna is an HG-5. 2023 Take-Two Interactive Software, Inc. Then open each panel by right-clicking or using an action group, as in normal KSP. How to build a satellite network around Kerbin which guarantees full coverage? Arqade is a question and answer site for passionate videogamers on all platforms. The only important thing is that the orbital periods of all three be the same, as the larger the difference, the sooner they will get out of position. Please note that this page is incomplete, and requires the help of the community. One between Kerbin and Duna with six satellites. Orbital height - In theory, you could go as low as double (Kerbin radius + atmospheric height), or 740km altitude, but the placement would have to be perfectly at 120 degrees phase angle. Adding EV Charger (100A) in secondary panel (100A) fed off main (200A). Rocket scientist alternative: if you are more of a rocket scientist than me, you can place four satellites in a tetrahedral formation around Kerbin. Its just a matter of being careful. Click GRD+ to tell the ship to face prograde (at least, until it gets out of the atmosphere), then click EXEC to tell it to execute the maneuver node. To establish this link, you require an antenna that has the range to reach it and no obstructions between them. Is there a way to calculate my launch interval (knowing how many satellites in the constellation, orbital period, and apoapsis/periapsis) so I wind up with an equally spaced constellation? This tutorial does not require any mods other than RemoteTech. Equatorial triangle orbit above 6,000km.
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