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just about a year ago the third

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operational dragon cargo ship arrived at

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the international space station carrying

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its first external payload the

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high-definition earth viewing or hdev

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experiment

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that was installed on the earth-facing

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side of the columbus module's payload

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facility and it's been sending beautiful

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views of planet earth down to us since

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then

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recently my colleague dan hewitt spoke

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with the h dev project manager david

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horniak to find out how the project's

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been doing during its first year on

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orbit

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so the astronauts on board the

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international space station always doing

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their best to share the sights and

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sounds of space with those of us on the

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ground there's actually been a payload

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up there for about a year now

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that's been giving some of the most

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spectacular views of planet earth from

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about 260 miles above that's the high

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definition earth viewing or hdev payload

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and i'm joined today by the project

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manager dave hornak who's gonna tell us

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a little bit more about it so real quick

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starts off what is the hdev payload what

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was it designed to do you know why kind

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of why is it up there

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hdev was built in a short schedule in

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about nine months to support the spacex

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3 launch

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we wanted to put something up quickly

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that could provide video of the earth

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for the whole world to see to see what

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the astronauts see when they look out

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the window but we also wanted to use

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cots systems and integrate cameras into

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this infrastructure to see how well they

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would survive in the environment as well

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as how well they work with the rest of

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the space infrastructure real quick cots

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what is commercial off the shelf okay so

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just you know cameras somebody could go

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out and buy right now if they wanted

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that's correct most of the system is is

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commercial okay available and it's

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currently mounted to the earth-facing

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side of the esa uh columbus module

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european module and so they've been up

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there for you know almost a year now how

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i know cameras can actually take a

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little punishment from the environment

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up there how have they been holding up

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uh you know over the last like couple of

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months yeah the they've done very well

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actually done better than we had

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anticipated the the only thing that

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we've seen so far is one pixel dropout

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out of the nadir facing camera that's

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the camera that points face down toward

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earth and that is an intermittent

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dropout it's not even out all the time

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so it's actually performed very well

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okay and you've also gotten some college

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students involved in this process

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haven't you what was their role in the

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whole project we did during the during

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operations we had among uh we had

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university of bonn in germany uh while

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the german astronaut gerst was on board

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last year they created the what they

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called the columbus eye website and they

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used that website and the video straight

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from hdev around germany to to support

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his mission as well as a space station

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mission to throughout not only the

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public but also to schools uh elementary

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schools and high schools and so on and

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so all of this video again being

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streamed live to the internet and i mean

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what's some of the response you guys

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have gotten back from people who you

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know when they find this for the first

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time maybe and they you know they're

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they're like i'm looking at the earth

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from the international space station

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what's what's some of the response you

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guys have gotten back

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so

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it's been a lot of people using it

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in their own websites we've heard about

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a art gallery in new york city that is

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using it oh wow it's been used on the

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news numerous times uh among uh several

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people in in the news and on on the web

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so many of them uh popular personalities

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have commented how much they love just

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spending time watching it and one person

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even said they spend too much time

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watching

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it's it's just a seems to be very well

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received by by everybody gets to see it

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okay and yeah you can definitely

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understand how the astronauts get so

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drawn to just staring out a window at

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earth now you actually brought kind of a

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little highlight really i mean there's

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been some really spectacular stuff it's

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captured you brought you know some some

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of your favorite clips why don't we take

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a quick look at those and you can walk

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so this was a sunrise uh we get space

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station sees about 16 sunrises per day

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as it goes around

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around the earth every 90 minutes so

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when we capture a beautiful sunrise and

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sunset it's just great to see them

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usually like here you can even see some

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of the clouds in the low horizon areas

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yeah i mean i mean it's definitely

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stunning and it's amazing you're able to

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get that too so this was in the midwest

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taken in february started out around st

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louis area you can see the great lakes

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all covered in snow in the great lakes

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iced over going over my hometown of

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toledo ohio

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you're starting to see the east coast

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coming up on the right side and the st

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lawrence river beneath uh right in the

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middle

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these you can see clearly see the cities

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there's toronto going through right off

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lake ontario and montreal and the moon

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is rising just over just to the left of

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center

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and this is florida where we of course

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we launched from taken last month

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passing over the bahamas and you see the

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beautiful

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blue waters uh it goes on a little bit

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further you see cuba to the left

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one of the things i noticed is that when

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i start seeing the video

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is that like here this is the northern

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europe uh with north is to the left

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there's the baltic on the left and

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you're going right over germany and

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poland on the bottom this is near sunset

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local time so it's not as clear

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but it's but it's another part of the

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world

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this is the spacex 5

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release so the robotic arm is taking

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spacex 5 back in february of this year

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and moving it around to get it away from

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space station so they can release it and

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it could return to earth

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so we are lucky that where we're

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positioned we actually get to see a lot

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of the robotic arm operations as well as

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the earth going by

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and this was a super super typhoon

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mayaska i think is how it's pronounced

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is taken in the pacific western pacific

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this is on march 31st of this year at

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the time this was taken the winds were

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about 140 miles per hour

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the storm continued on to the west and a

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few days after this image went over the

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philippines thankfully not as strong a

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storm as it was

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at this time the image was taken

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and as it goes away one of the things i

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was saying in a minute ago one thing is

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that i learned was that it's we're used

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to seeing maps where you always know

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where north is it's always up that's not

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always the case yeah you look out the

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window and sometimes north is left

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sometimes it's right sometimes you just

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it makes it a little more interesting to

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try to figure out what you're seeing

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sometimes but i mean stunning stunning

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seems nonetheless so you know what's

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what's what's next for hdav what's on

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the horizon how long do you think these

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cameras are you know going to be able to

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be you know spitting this stuff out so

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dude due to a schedule flight schedules

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we're going to be on orbit through

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spring of 17 right now okay uh so as

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long as the cameras are running we're

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going to continue to broadcast to the

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web

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as i mentioned we have are starting to

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see some pixel drop out and

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we're getting to the point where we

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expect things to start to fail we will

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broadcast right up until they do uh we

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don't expect these types of systems to

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just fail off altogether we expect them

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to be a slow degradation and as they do

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we're learning how they degrade as well

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so that way we can monitor future

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systems and see what we're doing in the

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future so we know when to replace

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systems on board okay and we've

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we've also

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just assigned an agreement with a

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company called earthcast where they are

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now receiving our video straight and

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they're going to integrate it onto their

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web platform along with api data such as

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location and attitude of space station

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and in geolocated with maps and things

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like that so that users and app

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developers can integrate this video into

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what they're doing as well um this is

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several organizations and individuals

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have tried to take our video and do apps

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develop apps with them before

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using earthcast will help them to be

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able to do that okay fascinating stuff

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and again this is all streamed live on

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the web

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and as always you can check it out uh

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here's the website right below

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eol.jsc.nasa.gov

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hdev um again dave horniank uh the

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project manager for hdev thank you so

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much for joining me sharon some of your

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favorite scenes i mean it's stunning

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stuff and we hope it keeps going you