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the next delivery of cargo to the

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international space station is due on a

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dragon spacecraft that is targeted to

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launch on march 16th

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that will contain a lot of experiments

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that are going to do their work inside

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the station and one big experiment that

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will be doing its work on the outside of

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the station the high definition earth

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viewing experiment is part of the next

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dragon payload and the hdev lead

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engineer lori moats is with us this

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morning to talk about that you're flying

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four high definition cameras what's the

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story behind all that tell me where they

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go and

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things like that that's right we're

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flying four different commercial high

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definition video cameras and our team

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designed the

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enclosure and the avionics to integrate

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the experiment on orbit

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we'll be flying in the spacex dragon

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trunk

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that's their exposed

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facility and we're the first exposed

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payload and the first powered payload

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that spacex is flying so it's been

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exciting to be integrated with them as

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they've gone through those challenges

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yes this is a picture of us um

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integrated in the spacex trunk as

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they've gone gone through some of our

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challenges that's our enclosure and you

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can see several pockets on on either

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side of the camera where the windows

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where the cameras peek out

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the close-up view of the the payload

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itself if you could describe for us uh

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what where it's a big box that has the

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cameras inside it correct that's correct

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um

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since we

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no that's that's a pretty easy way to

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describe it we have um so you can see

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the on the bottom right picture there's

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two small two windows and then on the

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left hand side and then one window that

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you can see on the right hand side and

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when we pick these commercial cameras um

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they aren't designed for space

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exposure so we've kind of protected them

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from the vacuum and the thermal

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environments of space with

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part of our design and so

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that's what the the box and you saw the

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silver exp covering is for is for

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protecting the cameras from that part of

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the space environment

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and when you get there where is this

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apparatus going to end up

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when when we when spacex

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docks on orbit the robotic arm will

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remove us from the spacex trunk and then

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take us over to the european space

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agency's columbus module and then

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this is

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a great picture on the will be installed

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on the bottom location um that you see

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there on their external payload facility

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there's like four different platforms

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that you can see there

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and the bottom platform is the nader

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location is pointing earth towards earth

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so our all four of our cameras

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will be pointed at different angles

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towards earth we have one camera that

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will be pointing forward so i'm looking

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where the iss is traveling

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and then we have one camera they'll be

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pointing straight down into

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exactly towards earth and two cameras

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that will be pointed kind of towards uh

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the back where to see where the iss has

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been traveling and they're but they're

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all tracking they're all pointed on

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essentially the same path so they could

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track exactly where the station is

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flying so if there was a

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weather event say like a hurricane that

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we wanted to see or or track

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we could see if the iss was going over

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that event we could watch it as iss is

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approaching

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transfer to the camera then watch it as

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the iss is over the event and then

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transfer and watch as diocese passes

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is the goal here to get a lot of

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beautiful hd video of the earth now

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that's certainly

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a good

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side effect but it's really an

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experiment

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the reason we have four different

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commercial cameras is we want to see not

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just

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how

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these commercial products respond to the

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radiation environment the the cameras

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themselves their sensors and also the

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integrated system

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the products weren't designed to be

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exposed to the radiation environment of

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space so we want to see how

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as we move forward with part as nasa's

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partnering with more commercial entities

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and with um as we try to move forward

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and achieve our goals i want to see how

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that's

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how robust we can be and to make more

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intelligent decisions as we move forward

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you described earlier that the enclosure

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is in

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is protecting these cameras to some

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extent but but not completely that's

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true yes um i mean we

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still need

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a more robust design would be to put it

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in a completely enclosed box but then

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you wouldn't get very good video would

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you so um so it has to be able to see

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outside so

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outside of the space station you still

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have the radiation effects and that's um

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the the video sensors are really

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sensitive particularly sensitive to

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radiation exposure so we're actually

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partnering with uh university students

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and and they'll be looking at some of

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taking recording some pieces of the

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video data over time from the different

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cameras and

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developing ways to examine how the video

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is degrading as the cameras are exposed

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to more and more radiation i want to ask

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you about the student involvement but

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there is a way for people to see the

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video

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as it's shot right or relatively soon

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one of our kind of key

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uh

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missions here is it's basically live

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video streaming

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the the only delay in the system is the

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delay in downlinking the video from the

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station to earth there is a website that

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is being set up uh ustream website where

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there's the link there

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that once were installed and powered it

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will be streaming the video essentially

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24 7

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down and so anybody from the public can

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come in and see the video and link to

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and see just where the station is

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eventually there's a they want to have

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kind of a graphic of the world with a an

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image so you can see oh this is where

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iss is now and then you can see the

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actual video and you see where it's

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headed to correlated to where it's going

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yeah um so that's uh that's kind of the

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image i think the the link if you go to

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the link now it's just as video from the

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nasa website but uh um but it's it's

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gonna be pretty exciting you mentioned

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students a moment ago there are students

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involved in

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both the preparation and the and then

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the in the experiment after it arrives

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yes that's true we have um we've

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partnered with the university of houston

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clear lake to um they'll be maintaining

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the website and also operating the

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payload when it's on orbit it's the

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payload's pretty autonomous meaning once

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uh once it's installed on orbit and we

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turn it on it just kind of cycles

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through the four different cameras on

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its own

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but you we do have the option that if we

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want to change the order that the

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cameras cycle or how long we sit on any

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one camera they can do that and make

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that change and as time progresses if

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say one camera finally

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stops working we can cycle between three

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cameras and we can make those sorts of

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changes and the students would be doing

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that effort as well as analyzing the

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video to see how it's degrading over

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time

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in the actual hardware development

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itself we actually involved the hunch

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program which is high school students

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united with nasa creating hardware of

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course

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it's a hunch program so it's a high

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school kids um that they are coming in

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with uh i mean it's amazing they're so

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young but they're creating hardware

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software and electronics um that we

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actually have brackets

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we used they had some mechanical design

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and they actually built hardware that is

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in our box and about to fly so it's part

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of how what made us work so we'll be

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looking forward to seeing that that

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ought to be very interesting to see that

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once it what it does the hdf payload

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scheduled to fly on the dragon

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spacecraft it's launching in march 16th