how to plan pre-network missions around your limited line of sight to KSC. A triangle orbit will be the main orbit used in the constellations. Polar triangle orbit above 130km. This tutorial covers the basics of launching a standalone satellite in RemoteTech. load your currently installed mods. It assumes you have not yet established a comsat network, so that the only connection of interest is a direct link between the . Anyway, worth mentioning is that this is a very inefficient way to do a relay satellite. This is so much the right answer. Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI, Screenshot of the Week #89 [Submissions Closed, Vote Now! Thank you. 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. For ever-higher orbits, you will only be in range in an ever-narrower circle centered on Mission Control. English version of Russian proverb "The hedgehogs got pricked, cried, but continued to eat the cactus". :D. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I'm using two HG-5 High Gain Antennae (class 3) on my relay and the Communotron 15 (class 2) on my lander. Hello- I thought in this play-through it would be fun to set up my own relay satellite network. Display as a link instead, Use RA-2 relays. A second equatorial triangle orbit at around 300,000km. Could someone explain that as well? Any clues? Privacy Policy. 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. 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. For missions to high orbits (or just for practice before you send up a full-fledged comsat), you may wish to include one of the other antennas in your design. 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. What risks are you taking when "signing in with Google". (A spacecraft consisting of a pilot would not be affected.) Reddit and its partners use cookies and similar technologies to provide you with a better experience. Rocket scientist alternative: if you are more of a rocket scientist than me, you can place four satellites in a tetrahedral formation around Kerbin. An elliptical orbit might be better if you want to do it with one sat, but then you'd have to adjust orbit every once in a while to have the AP above your base/probe/rover. Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null? 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. 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. Its ok if you do this while still in the atmosphere. Arqade is a question and answer site for passionate videogamers on all platforms. Equatorial triangle orbit above 138km. Didn't know about having to enable the option. Also one RA-2 can reach anywhere in kerbin's SOI that it has line of sight to, at least out to Minmus orbit. KerbalX - KSP Craft Sharing Simplified Equatorial triangle orbit above 700km. 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. Solves a lot of problems. These are landers, but it works just as well with satellites. So how do you launch and control the very satellites that are supposed to help you do the controlling? They are 100G, but noted, thanks. 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. I want to send a probe to Eve as this is my first planetary mission and I'd rather not risk kerbals. Cookie Notice Espaol - Latinoamrica (Spanish - Latin America), https://en.wikipedia.org/wiki/Tundra_orbit. Note: This is ONLY to be used to report spam, advertising, and problematic (harassment, fighting, or rude) posts. New comments cannot be posted and votes cannot be cast. Transmission When the transmit button is pressed while reviewing experiment results, an antenna will automatically deploy to perform a transmission and then retract after completion. Relay sat. Reddit and its partners use cookies and similar technologies to provide you with a better experience. For most practical applications an easy solution is to have a ring of three evenly spaced satellites in high (2500km-7000km) circular equatorial orbits. A minor scale definition: am I missing something? Bear in mind that when it's acting as a relay, it's running on rails (unless you happen to have your currently-piloted ship parked right next to it, inside the physics bubble), which means that it doesn't actually use up electricity while it's running. Launching a satellite into orbit means it will, sooner or later, end up on the far side of the planet. Communication links only work while the satellite has power, so if you fail to deploy the panels before the satellite goes out of contact, you might not be able to recover it one orbit from now. Use RA-100 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? But what about a larger orbit ? 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. Altitude depends on moon (500km for Laythe, 300km for Vall, 600km for Tylo, 65km for Bop and 44km for Pol). The gold parts are Procedural Parts batteries. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. This video tutorial demonstrates how to build, launch and set up a relay satellite network in KSP. A high orbit is easier to work with. Use RA-2 relays. And so far, signal will always use the best path available. The satellite is on the same side of the mun as the probe and has full signal from Kerbin. How do I stop the Flickering on Mode 13h? If you are using the flight computer to get into orbit, the computer will turn off attitude control at the end of the burn, which will leave the satellite slowly tumbling. Nice, now we get to the problem: when the landing probe (it is carrying no antenna) gets occluded by the mun, after losing contact with Kerbin it doesn't connect to the satellite to relay its signal. Clear editor. You can get more details in this KSP forum post, which takes it from this research paper (paywall). 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. Relay Satellite - Kerbal Space Program Wiki You can do this either by right-clicking on the antenna and clicking activate, or by binding it to an action group in the VAB. Execute the burn as accurately as possible. 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. Satellites are not connecting to each other :: Kerbal Space Program Why don't we use the 7805 for car phone chargers? Creating a satellite Start with an RC-001S probe core Underneath, add a reaction wheel and a few z-1k battery banks Add some Gigantor-XL solar panels around the outside. Using an Ohm Meter to test for bonding of a subpanel. You now have a basic satellite in orbit around Kerbin. 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, you could replace all of them with one RA-15 relay antenna with a range of 15 gm and probably wind up with a very comparable probe that has 1/10th the payload mass. Although I am checking in version 1.5, so they might have new skins in later versions. Your satellite may just not be powerful enough to be better than Kerbin ground stations. Why has my Command Module's orbit not decayed? Researching Electrics, which unlocks solar panels, is recommended but not required. Doesn't save mass, but it does allow for SLIGHTLY longer satellites. Effect of a "bad grade" in grad school applications. This page was last edited on 19 July 2020, at 20:55. 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.. Now warp to your Ap and deploy the first relay. I looked for the screenshots, no luck. If an antenna can connect to the KSC (e.g. Considering circular orbits only (or close enough), the thing is that when you launch 46 days apart, Kerbin goes 46 days forward, reducing the actual interval between each satellite (if your target orbit is smaller, otherwise it increases it). Launch. Polar triangle orbit above 138km. Note: Your post will require moderator approval before it will be visible. When a gnoll vampire assumes its hyena form, do its HP change? Hence, by launching a second satellite at t, this one is not only t days behind the first, but also t2 forward. You can also - if you don't want to use fairings and don't mind a draggy front-end on your rocket (hint: you should mind a draggy front-end on your rocket) you can also radially mount the satellites. For a start, I have placed a relay satellite in KEO. Fortunately, getting into a stable orbit before you lose control doesnt demand any precision computing. Parabolic, suborbital and ballistic trajectories all follow elliptic paths. If you have an antenna other than the DP-10, you will need to activate it in flight. You can also slightly rotate the two bottom satellites so they are more "next to" each other than facing off. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Some trial and error may be necessary if youre used to shallower launches, but the traditional 45 ascent path should work. If you have solar panels, deploy them as soon as you are out of the atmosphere, even if its a night launch. Is there a generic term for these trajectories? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. However, I have this other satellite which is out of contact with KSC, but in visual range of the relay satellite. This is a small cost to do and allows you to range much further than KSC can pull off. Will keep at it, now I've got a better understanding of CommNet! 2 Satelites in matching orbits in opposite ends of eachother. 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. rev2023.4.21.43403. Polar triangle orbit above 13km. How to build a satellite network around Kerbin which guarantees full coverage? Antenna - Kerbal Space Program Wiki Then pick the attitude command of your choice: press the SAS key, or click KILL to kill rotation, or click GRD+ to hold prograde (if you already have an active GRD+ command, you may have to click twice, then cancel the command labeled mode: off). Equatorial triangle orbit above 600km. Period of target orbit p = 184 days Learn more about Stack Overflow the company, and our products. Any other Suggestions you may have! With that option on, each probe requires either direct line of sight to the KSC or to a communication satellite which has a connection. Satellites are not connecting to each other There are times where i have my probes not connected to KSC, bit they are in range with other probes. By: AlexMBrennan. Resonant Orbit Calculator (Kerbal Space Program) - meyerweb.com I also tend to make a network with RA-2 relays around a planet then a single larger relay in a highly elliptical polar orbit - so rovers or whatever talk to the nearest small relay, which bounces through the large relay back to Kerbin, rather than trying to make a network of RA-15 or RA100 relays in a single launch. and our How to combine several legends in one frame? Since Kerbin is faster than, say, Jool, the second satellite you launch will end up forward the first anyway. Can't remember if those or stock or not. You just made my KSP save a whole lot cooler. and our What are the advantages of running a power tool on 240 V vs 120 V? A quick final note : this answer supposes a series of identical Hohmann transfers for each satellite, and it does not consider elliptical orbits, nor modulos of orbital period. There are two ways to avoid this, depending on your play style: following a steep launch path or using the flight computer. Factor of division = 1 - 184 / 426 = 0.568. The best way to get multiple sats in one launch is to use the "Interstage Nodes" option on the fairings, which will let you attach multiple stacked payloads without them touching. The DP-10s main disadvantage is its 500 km range. Dont forget to reset the delay to 0 when youre done! Your previous content has been restored. Use RA-2 relays. Such a formation will provide coverage on all of Kerbin's surface and cannot get fully occluded by Mun/Minmus. Which gives t = p/(8(p/k - 1)). 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 ! How do I view my network? You can do the same on upper levels using cubic octagonal struts to create extra nodes). In a mature space program, a network of commsats will help you relay transmissions in any direction, but you dont have that luxury at the start of the game. ], Maintaining control during probe atmospheric landing with RemoteTech. The other two antennas are optional for low enough orbits. 2023 Take-Two Interactive Software, Inc. What's the difference between probes and relays? 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. 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? Archived post. It assumes you have not yet established a comsat network, so that the only connection of interest is a direct link between the satellite and the Kerbal Space Center (KSC). Powered by Invision Community. Use RA-2 relays. Which gives t = p/(4(1 - p/k)) With update 1.2, you need to make sure that probes always have a communication link to Kerbin. Circle The period is the same as the target orbital period. If you don't have the extra ground stations, then you can only talk to KSC, which is facing away from your ship 50% of the time. For more information, please see our 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. This satellite is in visual range of KSC. Note that "What you can talk to" depends on the power of BOTH vessels (or the vessel and the tracking station), so if both vessels have the same power, the rated power is the range they can talk. Number of satellites - Three satellites are enough to form a complete ring around Kerbin. I got the same answer from the KSP fora, but with minimal explanation of the underlying math. is there such a thing as "right to be heard"? All trademarks are property of their respective owners in the US and other countries. Back before they made a real atmosphere I frequently sent up 5 satellites at a time, 4 radially and 1 on the front. This tutorial covers the basics of launching a standalone satellite in RemoteTech. Valve Corporation. 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. 1 Relay Satelite in Stationary orbit in the Center of the light side of Minmus. 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. The best answers are voted up and rise to the top, Not the answer you're looking for? they have have antenna extended and are in range but their not bouncing back signals to get full conection. Equatorial triangle orbit above 250km. Tutorial - First Satellite - GitHub Pages 2. Not to mention transmitting grav scans for every biome! You can post now and register later. Equatorial triangle orbit above 130km. That still didn't work. Use mod filters to select craft that; will work With selected mods. 184 / (4*0.568) = 81 days. What "benchmarks" means in "what are benchmarks for?". How much electricity does a relay satellite use? If you are launching with solar panels, you should already know how to deploy them. Equatorial triangle orbit above 320km. The large solar panels sort of look like Gigantor arrays maybe on pipes or actuators? In fact I thought it was one of my pics One trick, mount the two interior satellites facing each other and you save the need for that inner truss, as the middle satellite will be attached to the same truss the top satellite is on, only on the bottom of it. 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. However many Life Support mods will allow power drain from inactive crafts. Should have a short-range dish pointed at Kerbin, to connect to the low-orbit network, and one or more long-range dishes pointed at the destination planet (s). Check that the Delay (+ signal) display shows no delay. And for total coverage do triple relay sat launches for the Mun and Minmus. Method 2: Flight Computer. Archived post. I think I have a pic around here somewhere I'll try to dig it up and update this post with it. You build relays satellites at the target not the source, they don't do anything orbiting kerbin. Helpful Linkshttps://wiki.kerbalspaceprogram.com/wiki/Comm. Use RA-2 relays. If total energies differ across different software, how do I decide which software to use? Or, to put it more simply, you have to divide your initial 46 days by the factor 1 - p/k. Paste as plain text instead, If you like, you can add a command to maintain attitude after the burn. Method 1: Steep Ascent. Let's ignore occlusion by Mun and Minmus for now and focus only on what it takes to not get blocked by Kerbin. Connect and share knowledge within a single location that is structured and easy to search. SpanishInquisitor27 4 yr. ago 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. The transmission would be 13 packets and consume 78 in 7.8 seconds. Sort by votes Sort by date 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. A set of 24 evenly spaced satellites at around 50,000,000km. Why are players required to record the moves in World Championship Classical games? Relays Not Working :: Kerbal Space Program General Discussions But I find it makes sense to put fewer sats on the top, so the fairing can taper around them. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 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. Equatorial triangle orbit above 210km. I'm pretty sure three satellites on the same orbit would be enough, but I haven't had a chance to try 1.2 yet. Use RA-2 relays. Has depleted uranium been considered for radiation shielding in crewed spacecraft beyond LEO? There is also an advanced difficulty setting where you don't have stations all over Kerbin but only have the KSC. Otherwise this scheme is resistant to placement errors. That way, you wont have to worry about running out of power while halfway around Kerbin. 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. Scan this QR code to download the app now. How to build a Satellite Network? - KSP1 Gameplay Questions and With a 15G antenna, you get much better deep space coverage. Thats it! 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). All RemoteTech antennas are safe to use above 35 km, so you should be able to deploy the antenna while still in line of sight to KSC.

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