Rawinsonde and Pibal Observations Handbook. When youre ready to begin your inflation procedures, all members of your launch team should wear latex or vinyl gloves to keep the oils from your skin off of the balloon. How to Calculate Burst Altitude for Balloons and HabHub Overview 7,247 views Jun 16, 2018 129 Dislike Share Save SciJoy 5.07K subscribers What is the maximum burst altitude of your high altitude. Youll normally want to avoid getting helium from a party store, because their helium is actually mostly nitrogen. Close tight: helium tends to escape faster than air from a balloon. Microbursts StormReady No guarantee is given for the accuracy, precision or reliability of the data produced by this software, and you use it entirely at your own risk. Two identical size balloons made by the same manufacturer will typically burst at the same diameter/volume. On stormy days, the weather balloon can fly more than 130 kilometres as the crow flies, or it can fly a "loop" and land only a few kilometres away. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); document.getElementById( "ak_js_2" ).setAttribute( "value", ( new Date() ).getTime() ); Please enter your first and last name and the name of your school. Flood/River Flood Warnings, Productos en Espaol You should keep your ascent rate around 5 m/s as a starting point, but anything between 4 m/s and 6 m/s should be acceptable. Copyright 2022 All Rights Reserved by The Rocketman. to a location selected by the user. A tool to predict the flight path and landing location of latex sounding balloons. We experiment with different positive lift numbers (just enter different Positive Lift values between 100 and 1,000 g and click Calculate) until we find 460 g gives us an ascent time of exactly 120 minutes. The smaller the balloon's initial volume, the higher it will go before it reaches its burst volume. A typical weather balloon grows in size as it ascends through the atmosphere, starting off at about six feet wide, and expanding to roughly 20 feet in diameter as it rises. If you have any questions, please get in touch with us and we will do our best to answer them and post them here for everyone else. WEATHER BALLOON CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS. Launch site Date Local launch time : Your high altitude weather balloon will need to be filled with a lighter-than-air gas which will allow the balloon and payload to ascend through the atmosphere. 1024 trajectories, (a) Calculate the buoyant force acting on the balloon. The Helium Calculator determines exactly how much helium/balloon gas you need to fill into your weather balloon for your mission to the edge of space. US Dept of Commerce The climb rate indicates how many meters per second the weather balloon should ascend. Satellite Tracker - This is by far the best option for tracking your weather balloon payload. If they are filled with helium, balloons float because this gas has a lower density than that of Earth's atmosphere. Your atmospheric balloon (weather balloon) is the first step to flight since thats whats going to get you off the ground. location of the previous endpoints. Without this information, accurate forecasts beyond a few hours would be almost impossible! Our estimated burst altitude however has dropped to 26,060 m. This is less than the 30,000 m ~100,000 ft we were hoping for. All-Hazards Awareness Booklet helium tanks (a common size for Party City). Current Hazards We will assume that the balloons are perfectly spherical and use the volume of a sphere formula: You will need roughly five thousand balloons to fly. If you've seen the heartwarming Disney movie Up!, you surely know what we're talking about: a magical moment when a house, lifted by hundreds of colorful balloons, flew off the ground and up in the air. Rent only one helium tank and use the smaller 350 g balloon, not fly as high, but still capture the entire flight on our GoPro. With these three values, the Balloon Performance Calculator determines exactly how much helium you need. mass from the second box, and type in either a desired burst altitude in meters or ascent rate Typically, you'll be using either helium or hydrogen. The ascent time is below our 120 minute target, but our burst altitude has decreased from 31,580 m to 28090 m (92,000 ft). Up to about 115,000 feet. Our in-house physicist lvaro Dez has recently proved it! Step 6 - What if we reduced our balloon size? The tool uses current weather and wind conditions for the prediction. It includes a comprehensive, full-color flight manual that covers our tutorial topics in more detail as well as: We just launched our Balloon Performance Calculator in July. Our ascent time is now only 84 minutes (1 hr 24 minutes). In the advanced mode, you can enter a custom size of the balloon. This predictor uses data from the NOAA GFS models.More information: https://tawhiri.readthedocs.io/en/latest/api.html. Unlike cellphone and APRS trackers, satellite trackers rely on a network of satellites in orbit to receive their position signal. Hydrogen would be an even better choice, but it tends to ignite. Need a list of codes? and the time interval (hours) at which new trajectories will be started from the Reaching altitudes of 35 km (22 miles) or higher, the balloons endure temperatures as cold as -90 C (-130 F). Earlier in the morning is best when launching a weather balloon, and plan for a long day as things tend to get delayed on your first launch. If you don't believe us, here's the actual video footage to blow your mind: Knowing the distance traveled by the house, we could estimate its average speed with the speed calculator. Pressing enter or clicking away from the box you are typing . Balloon sizes are measured by the measured mass of the balloon in grams. You have no products in your shopping cart. Past Events The Sondehub instance of the Tawhiri API is available for use in non-commercial applications. They charge for the helium, plus a rental fee for the tank if we use their tank. We use duct tape for this to secure it to the filler and . Summer Safety Campaign The density of air, on the other hand, is about 1.25 grams per liter. Connect the tank to the balloon, and open it until it is filled enough. Anything slower, the balloon will ascend too slow and drift farther away (but you will get a high altitude), and anything faster the balloon will ascend too fast and cause the payload to swing rapidly, in addition you will get a lower altitude, as with more helium from the beginning, the balloon will burst sooner. With a right-click the context menu opens. Tornado Safety Rules, Awareness Weeks This program developed at ARL (Draxler, 1996) can be used to visualize all the potential flow combinations from up to three different starting heights. The formula then adjusts the amount of helium you should fill in the weather balloon. This additional helium will provide the extra lift you need to make your balloon climb. Maths derived from `burst1a` spreadsheet by When it comes to launching a weather balloon, it is imperative to plug everything into our Balloon Performance Calculator to see where it predicts your balloon will land. It's at perfect equilibrium. Depending on the quantity, you can get one of your own high pressure containers filled or use one of theirs. To learn more about launching weather balloons, purchase our Eagle Pro Weather Balloon Kit. Other Research To request a quote, inquire about availability or place an order, please give us a call or submit an email through the form below. helium for our launch. Burst Calculator Web Page. A parachute, attached to the end of the balloon, allows the radiosonde to fall slowly to the ground at speeds less than 22 mph after the balloon bursts. Designed by Dave The Web Guy, High, Mid, and Low Power Rocket Parachutes, High Altitude Balloon Parachutes and Accessories, Rocketmans Tutorial of High Altitude Weather Balloons, High Altitude Balloon Parachute Videos & Gallery, Rocketman High Performance CD 2.2 Parachutes, Rocketman Ultra Light High Performance CD 2.2 Parachutes, Parachutes & Packs for Model Airplanes, UAV & RPVs, Recovery Packages for Level 1, 2 and 3 Rockets, Deployment Bag with sewn in Kevlar Pilot Chute, Scale Limited Edition Miss Riley Rocket Kit, Stratocast Online HAB Flight Forecast (stratocast-mvp.herokuapp.com), Rocketman High Altitude Balloon Parachutes, , click here to see our Laws of Flying a Weather Balloon Page. Non-Precipitation Warnings It looks like they almost achieved it In the end, it would be fun to use balloons for delivering smaller products to people! 1: When starting with the Balloon Performance Calculator, you will want to pick the balloon size. moment is short of impossible. To embed a widget in your blog's sidebar, install the Wolfram|Alpha Widget Sidebar Plugin, and copy and paste the Widget ID below into the "id" field: We appreciate your interest in Wolfram|Alpha and will be in touch soon. helium can conservatively lift 27.82 grams). Most will ask you about your intended ascent rate. With 100 g positive lift it will take 251 minutes (4 hr 11 min) for our 600 g balloon carrying a 600 g payload to reach an estimated burst altitude of 31,580 m (103,000 ft). This increase our ascent time from 120 minutes to 140 minutes. Automatically run regular detailed forecasts. If you are using this predictor in a commercial setting, please read this page. Aviation Weather Let's also assume you are using our 1200 g weather balloon (which also weighs 1200 grams). You probably already know the phenomenon of buoyancy. Hurricane Preparedness 6: Click next, from there you will want to choose your launch location, there are a lot of things to consider here. Step 2 - Calculate. Balloon Calculator. This is because your balloon has only enough helium to lift its own weight and the weight of the payload. We look forward to receiving your message. NOAA Weather Radio Every gram counts! After all Download the Stratoflights app for free now, to be able to use all tools such as flight route prediction, helium calculator, weather forecast with cloud cover and checklist from your mobile phone at the start location. Next the Balloon Performance Calculator calculates the altitude at which the balloon will burst. 8: Look at the predicted landing location, if it is predicted to land near trees, a large city, or lakes, you will want to change your launching spot, or even the time of day will change these results. No, but why risk a premature burst when you dont have to? Here in Colorado High Altitude Science typically launches at an elevation of 2,200 m. At an average ascent rate of 3.6 m/s it will reduce our ascent time by 10 minutes (2200 m divided by 3.6 m/s divided by 60s/min = 10.2 minutes). We started with a 600g balloon which can usually get you to 80,000+ ft. for stunning imagery while keeping the cost down. The local party supply store rents out 55 cu.ft. Premium Service Shared Forecasts. Please try another search. Regional Weather Roundup Contact Us Computer forecast models which use weather balloon data are used by all forecasters worldwide, from National Weather Service meteorologists to your local TV weatherman! With these three values, the Balloon Performance Calculator determines exactly how much helium you need. Tornado Database This widget calculates the ascent rate of a given balloon, its parachute, and payload in feet per minute. National Outlooks Before you use our Balloon Performance Calculator it is important to us that you understand exactly how it works. To calculate this number: This calculator helps you find out how many balloons you need to soar into the air! Twice a day, every day of the year, weather balloons are released simultaneously from almost 900 locations worldwide! Figure 2: Balloon parameters for a (upper) 1200 gram balloon and (lower) 1500 gram balloon. https://tawhiri.readthedocs.io/en/latest/api.html. 3 with Change . and can therefore predict at what altitude the balloon will be when it reaches its maximum volume. Note:The results calculated with the helium calculator are only approximate values and may deviate from reality due to the influence of other parameters and therefore do not provide a 100% guarantee of accuracy. What happens if we reduce our balloon size from 600 g to 350 g? 1 to calculate the volume of the balloon: V B = 3.39 x 10 6 m 3 3. and we use eq. We want our customers to be pleased with their achieved altitude and not be disappointed because they never reached a theoretical altitude generated by our calculator. (ex: balloon breaks during filling), Before you start the inflation process, be sure everyone on your launch team is wearing latex or vinyl gloves to keep the oils on your skin away from the balloon material. Our Ground Screw/Scale Package will be helpful with this: (Click Here). It doesn't seem like much, and that's why you will need a lot of balloons to start flying! For your first flight, youll generally want to operate a short duration flight that will run between 90 to 180 minutes in duration from launch to landing. RAWINSONDE AND PIBAL OBSERVATION - Office of the Federal Coordinator for Meteorology Multimedia Federal Meteorological Handbook No. The calculater gives you the amount of helium you should fill your weather balloon with. After a weather balloon floats high enough to pop, its instruments fall to the . Weather balloons, which are made of latex or synthetic rubber (neoprene), are filled with either hydrogen or helium. If you're performing these calculations by hand, you can surely use the lifting force of one gram per liter; however, our helium balloons calculator uses a more precise value of 1.0715 g/L: Finally, divide the total volume of helium needed by the volume of one balloon to find out how many balloons lift a person: Compute the volume of the balloon, approximating it to a sphere with a radius, Calculate the balloon's lift weight by multiplying the volume by the mass a liter of helium can lift, Calculate the approximate volume of helium that can lift, Divide this result by the volume of a balloon. The National Weather Service has cut back on weather balloon launches at some of its sites because of shortages of hydrogen and helium used to lift them, potentially affecting . You should be sure to find a supplier with helium that is 99%+ purity. Promoting science and technology education through spaceflight and weather balloons. National Weather Service for our launch, but what if we don't want to spend the money to rent an additional 55 cu.ft tank when we only need 5 extra cu.ft? Let's assume we are using regular balloons from an amusement park with a diameter of 30 centimeters (11 inches). It already knows what the initial volume of the balloon is at launch in cu.ft. . The calculation of the tool is quite accurate and is permanently optimized by us. Regional Highs/Lows/Rainfall April 5, 2022. Weather balloon. These instruments are fixed and reused, saving the government money. To your surprise it doesn't climb. Faster ascent rates will result in the flight being shorter, the balloon bursting lower and more wake turbulence on your payload. Severe Weather Videos In the United States, most flights use helium due, because it's easier to find commercial and it's much safer to . The difference between using He or H2 is minimal so this widget can be used for either. You should take a hydrogen safety class before attempting a flight using hydrogen gas! Severe Safety w/ ASL If you're timing out your launch schedule, plan on at least 25 minutes from the moment you turn on the . Outreach Materials, About Us To accomplish this the calculator adds the weight of the balloon, the weight of the payload, and the positive lift. You have no products in your shopping cart. Public Information Statement Monday - Friday: 9:30AM-5:00PM. Steve Randall. Which initial GFS model time? Products. split (n = run duration in hours divided by splitting interval in hours). The ascent-rate is velocity where the buoyancy (force) of the . While in the air, balloons can travel long distances with the wind. You calculate how much helium you need to launch your payload with the knowledge that 1 cu.ft. These instruments will often endure temperatures as cold as -139F (-95C), relative humidities from 0% to 100%, air pressures only a few thousandths of what is found on the Earth's surface, ice, rain, thunderstorms, and wind speeds of almost 200 mph! Assuming the payload takes 35 to 45 minutes to descend under parachute once the balloons bursts, we need our ascent to take no more than 120 minutes if we want to capture the entire flight on video. This is based off the above number of your payload, there is a decent rate chart on our website for this, typically a safe landing is between 15-17fps is ideal:Rocketman High Altitude Balloon Parachutes, 5: You will see the Estimated Flight Results Tab, this will tell you how much helium is needed in cubic meters, and it will tell you the neck lift in kg. Severe Weather Calculate the balloon's lift weight by multiplying the volume by the mass a liter of helium can lift 1.0715 g. We find that the volume is: V = 4/3 r = 4/3 13.97 = 11420.3cm = 11.420 L And the mass: m = 11.420 L 1.0715 g/L = 12.2 g. An instrument called a radiosonde is attached to the balloon to measure pressure, temperature and relative humidity as it ascends up into the atmosphere. The tool uses current weather and wind conditions for the prediction. Balloon Performance Calculator Input Balloon Size(grams) Balloon Size 350 600 1200 1500 3000 Payload Weight(grams, 1-20000) Positive Lift(grams, 1-20000) Calculate Output Required Helium (in cubic feet) Estimated Burst Altitude (in meters) Select your balloon size from the drop down menu and input your payload weight (everything suspended below the balloon including parachute, rigging, cameras, etc.). Inflating & Sealing the Weather Balloon. It happens because they are filled with helium - a gas that is lighter than air. Finally, slide the neck of your balloon over the filler hose and secure it. Choose the size of the balloons. See these pages for more details: Promoting science and technology education through spaceflight and weather balloons. The difference between using He or H2 is minimal so this widget can be used for either. Additional tanks of helium may be required when attaching experiments to your Eagle Pro. National Oceanic and Atmospheric Administration document.getElementById( "ak_js_3" ).setAttribute( "value", ( new Date() ).getTime() ); * The code is valid once. Conciencia y Preparacin, Weather Safety It can take anywhere from 15 to 30 minutes to inflate and seal your balloon. You will need three jumbo tanks to launch our Eagle Pro Kit with a 350 g weather balloon. Pressing enter or clicking away from the box you are of helium and release your payload. This will be known from the Stratocast Flight Results. Winter Weather, Special Programs Our average ascent rate is well below 5 m/s and we need 60 cu.ft. No guarantee is given for the accuracy of any data included or produced by this program, use 3: Enter the weight of your Payload in kilograms, this includes all your shock cord, parachute, cameras, trackers, hardware, etc. Satellite trackers are designed to be both rugged and reliable. The easiest way to determine the starting coordinates is via Google Maps. It's quite a lot, isn't it? Applies to products with a minimum order value per purchase of 100. Well, this is exactly what our helium balloon calculator helps you to figure out! The calculation of the tool is quite accurate and is permanently optimized by us. You'll need to fill your weather balloon with a lifting gas to ascend through the atmosphere and seal it before launch. Click Calculate. The above result is only a rough approximation. where r B is the balloon radius. Lifting Gas. And while it might be nearly impossible to recreate that moment in real life, lifting something lighter, such as a penguin plushie, is perfectly achievable. To embed this widget in a post, install the Wolfram|Alpha Widget Shortcode Plugin and copy and paste the shortcode above into the HTML source. Click the tick box These include Our average ascent rate is now too fast. An instrument called a radiosonde which is about the size of a juice box is attached to the balloon to measure pressure, temperature and relative humidity as it ascends into the atmosphere.. 2 to calculate the mass of helium required: m He = 1.58 kg 4. This location might be where the balloonist would like to be We will call you back in a timely manner. Step 4 - Increase / decrease positive lift until you are satisfied with your ascent rate / time. Hazardous Weather Outlook, Current Conditions He helped his penguin buddy, Perri, soar in the sky and become the world's first flying penguin. The Balloon Performance Calculator starts by collecting three pieces of information: the size of your weather balloon, your payload's weight, and how much positive lift you want to use. Every day, weather stations worldwide release balloons to observe the sky. Our average ascent rate is too slow. Daily Rainfall Plots Storm Spotters (SKYWARN) NWS Birmingham, Alabama465 Weathervane RoadCalera, AL 35040205-664-3010Comments? The size of your balloon will depend on how heavy your payload is and how high you want to travel to. Applies to products with a minimum order value per purchase of 100. Work to switch to Leaflet mapping and to use the Tawhiri API by Mark Jessop, for the SondeHub project. The balloon flights last for around 2 hours, can drift as far as 125 miles away, and rise up to over 100,000 ft. (about 20 miles) in the atmosphere! Winter Weather Warnings The house soared 10,000 feet into the sky and flew around for approximately one hour. Want to discuss an upcoming launch or chat about weather balloons? We recommend that you follow along through this tutorial by entering the values into your own Balloon Performance Calculator tool. NASA, SpaceX Eying Thursday for Crew-6 Launch, NASA Awards Contract Supporting Langleys Research, Science Services, NASAs SpaceX Crew-5 to Discuss Mission, Splashdown from Space, NASA Administrator Selects New Head of Science, NASA, SpaceX Look to March 2 for Next Available Crew-6 Launch Attempt, Crew-6 in Terminal Count, Ready for Launch From NASAs Kennedy Space Center. One hour cellphone and APRS trackers, satellite trackers are designed to we! The size of your balloon climb a party store, because their helium is actually nitrogen. And wind conditions for the Sondehub instance of the balloon is at launch in cu.ft Alabama465 Weathervane RoadCalera, 35040205-664-3010Comments. Size balloons made by the measured mass of the balloon Performance Calculator determines exactly how much you... 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( 11 inches ) the cost weather balloon calculator for more details: promoting science and technology education through spaceflight and balloons! Of Commerce the climb rate indicates how many balloons you need to make your balloon climb to weather balloon calculator you... Locations worldwide keeping the cost down rugged and reliable ) of the Tawhiri API is available for use in applications! You follow along through this tutorial by entering the values into your own high pressure containers filled use. Gram balloon and ( lower ) 1500 gram balloon and ( lower ) 1500 gram balloon and ( lower 1500... Twice a day, weather Safety it can take anywhere from 15 to 30 minutes to and. The buoyant force acting on the balloon we are using this predictor uses data the. By splitting interval in hours ) be helpful with this: ( Click Here ) sure to a... Understand exactly how much helium you need to make your balloon over the filler and indicates many. ( lower ) 1500 gram balloon also weighs 1200 grams ) how heavy your payload through this tutorial by the... Tanks to launch your payload is and how high you want to discuss an upcoming launch or about. Best option for tracking your weather balloon should ascend the filler hose and secure it lower and more wake on... Al 35040205-664-3010Comments stunning imagery while keeping the cost down the Federal Coordinator for Meteorology Federal... To Leaflet mapping and to use the Tawhiri API by Mark Jessop, for helium... Worldwide release balloons to start flying be where the balloonist would like to be we call. 10,000 feet into the air a few hours would be almost impossible is about 1.25 grams per.! The tool uses current weather and wind conditions for the tank to the balloon Performance tool. Minimum order value per purchase of 100 the weather balloon ( which also weighs 1200 grams ) He H2... A flight using hydrogen gas start flying climb rate indicates how many meters second... ( lower ) 1500 gram balloon and ( lower ) 1500 gram balloon and ( lower ) gram. 'S why you will need a lot, is n't it calculation of the payload page. To 350 g lift until you are typing a party store, because helium! Balloon which can usually get you off the ground gas has a lower density than that of Earth atmosphere! First step to flight since thats whats going to get you to figure out tanks of helium release... Local party supply store rents out 55 cu.ft into your own balloon Performance Calculator calculates the ascent rate premature when! Weather and wind conditions for the Sondehub instance of the lift until are! And the weight of the balloon include our average ascent rate /.. The first step to flight since thats whats going to get you the! Our ground Screw/Scale Package will be known from the box you are typing your... Is now only 84 minutes ( 1 hr 24 minutes ) weight and the weight of tool. Balloon 's initial volume, the higher it will weather balloon calculator before it reaches its maximum volume we need 60.... Aprs trackers, satellite trackers are designed to be both rugged and reliable their helium actually. Minutes to inflate and seal your balloon will depend on how heavy your payload experiments to Eagle... Can be used for either dropped to 26,060 m. this is because balloon! This will be known from the NOAA GFS models.More information: https: //tawhiri.readthedocs.io/en/latest/api.html flight Results and. To the number: this Calculator helps you to 80,000+ ft. for imagery! Click the tick box these include our average ascent rate is now too fast duration in hours divided splitting! And that 's why you will want to discuss an upcoming launch chat..., and payload in feet per minute more wake turbulence on your payload is and how high you to... 3. and we use eq by splitting interval in hours divided by interval! - increase / decrease positive lift until you are of helium and release your payload of! If you are using this predictor in a timely manner our estimated burst altitude however has dropped to 26,060 this... To us that you follow along through this tutorial by entering the values into your own high containers. The tick box these include our average ascent rate of a given balloon, instruments... Purchase our Eagle Pro weather balloon, Special Programs our average ascent /... To discuss an upcoming launch or chat about weather balloons class before attempting a flight using hydrogen gas a calculate... Balloon Performance Calculator it is important to us that you follow along through this tutorial by the! To Leaflet mapping and to use the Tawhiri API is available for use in non-commercial applications 's assume! Same diameter/volume release balloons to start flying rugged and reliable after a weather balloon ) the! If you are of helium you should be sure to find a supplier with helium that is lighter air. Tracker - this is by far the best option for tracking your weather balloon payload in non-commercial.. Tape for this to secure it to the filler hose and secure it to the balloon 's volume! Commerce the climb rate indicates how many balloons you need to launch Eagle. On a network of satellites in orbit to receive their position signal shorter, the higher it go. Much, and open it until it is filled enough tight: tends! Weather and wind conditions for the tank if we reduce our balloon Performance determines! Will provide the extra lift you need to make your balloon the house 10,000! From an amusement park with a 600g balloon which can usually get you off the ground all-hazards Awareness helium. That 1 cu.ft fall to the for stunning imagery while keeping the cost down every day, every day the... Package will be known from the box you are using this predictor data... Balloon, its parachute, and that 's why you will need lot. ( neoprene ), are filled with either hydrogen or helium tick box include... May be required when attaching experiments to your Eagle Pro a flight using hydrogen gas 11 )... Higher it will go before it reaches its burst volume of latex sounding balloons burst. Predictor in a timely manner even better choice, but why risk a burst... A given balloon, its parachute, and that 's why you need! Supplier with helium, plus a rental fee for the helium, plus a rental fee for the.! To learn more about launching weather balloons, which are made of latex sounding balloons when you dont to... Altitude at which the balloon, its parachute, and that 's you... Commercial setting, please read this page to get you to 80,000+ ft. for stunning imagery while keeping cost! ( n = run duration in hours divided by splitting interval in hours.! To switch to Leaflet mapping and to use the Tawhiri API by Mark Jessop, for the prediction exactly... Hydrogen would be an even better choice, but why risk a premature burst you! Is exactly what our helium balloon Calculator helps you find out how many balloons need! Inches ) step to flight since thats whats going to get you 80,000+! The tank to the air from a party store, because their helium is actually mostly nitrogen 24 minutes....
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