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how to task correctly for repeated surveys?

  • June 22, 2023
  • 11 replies
  • 883 views

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Hello!

I would like to task a mission for a repeated 1-month long observation over a polygon.
In the tasking menu I selected my date span and also a order type (single photo - 1 photo per pass).

Seems correct, however, the estimated quota is 32km2 which equals the area of my polygon. Is here something wrong or repeating photos over same area does not increase the quota?
 

Best answer by wgajek

Solution:

in order to have a time-lapse SkySat imagery of a certain area when having a plan with flexible tasking only one needs to schedule a consecutive tasks over same area with a minimum 2weeks time span, such tasks should be repeated one after another. The time windows should not overlap!

 

As a result one gets few ‘every-two-weeks’ photo but the frequency is not guaranteed (any day and time within scheduled two weeks so working in polar day/night areas are easier to handle :)).

Thank you Thami for your assistance.

11 replies

thamires
Planeteer 🌎
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  • Planeteer 🌎
  • June 22, 2023

Hi, 

 

We do charge twice if you request two taskings from the same area, regardless if you have already tasked the area or not. Could you please let me know the name of your task, so I can verify? Thank you!


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  • Author
  • ‎‎ 🌱
  • June 22, 2023

I haven’t confirmed the order yet as I do not want to create messy tasks.

 

What I would like is a daily survey. From what you wrote it seems I should schedule multiple photos in seperate tasks?


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  • Author
  • ‎‎ 🌱
  • June 22, 2023

The order id:

34dc2b12-5d7d-4cbc-878d-18e48f0a157d


thamires
Planeteer 🌎
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  • Planeteer 🌎
  • June 22, 2023

I understand … What do you mean by daily survey? You should create an order with your area of interest and we will collect the image for you. Here you can find information about how to correctly submit your order, please refer to Flexible Tasking. 


thamires
Planeteer 🌎
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  • Planeteer 🌎
  • June 22, 2023

I checked the order: 34dc2b12-5d7d-4cbc-878d-18e48f0a157d 

 

Everything is correct, if you create another task for the same area, we will charge you 32.155 km². 


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  • Author
  • ‎‎ 🌱
  • June 22, 2023

Thank you for your answers.

I went through the docs, however, it is still not clear for me what is an outcome of a flexible order over a particular AOI, single item (1 photo per pass) over a selected time period.

Will I get a collection of photos over time? Or I will get one photo taken within that time period or maybe something else.

Can you please explain?


thamires
Planeteer 🌎
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  • Planeteer 🌎
  • June 22, 2023

Yes, you will have only one single image over your area of interest. As soon as we collect a successful image for you within your time of interest, the tasking will be “successful” and we won’t collect more images. 


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  • Author
  • ‎‎ 🌱
  • June 22, 2023

Now I understand.

Could you please refer me to something instructing how to task a repetitive time-lapse survey? Or I simply need to schedule same for each day?


thamires
Planeteer 🌎
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  • Planeteer 🌎
  • June 22, 2023

I am afraid this is not possible, unfortunately, SkySat Flexible Tasking does not allow for specific or daily image collection. Each tasking requires a 15-day time window, and we cannot guarantee the availability of images on a particular day. 


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  • Author
  • ‎‎ 🌱
  • Answer
  • June 23, 2023

Solution:

in order to have a time-lapse SkySat imagery of a certain area when having a plan with flexible tasking only one needs to schedule a consecutive tasks over same area with a minimum 2weeks time span, such tasks should be repeated one after another. The time windows should not overlap!

 

As a result one gets few ‘every-two-weeks’ photo but the frequency is not guaranteed (any day and time within scheduled two weeks so working in polar day/night areas are easier to handle :)).

Thank you Thami for your assistance.


elyhienrich
Community Manager 🌎
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  • Community Manager 🌎
  • June 26, 2023

Hi @wgajek,

I understand you are looking for Skysat solutions but I just wanted to make you aware that you can do something similar with PlanetScope by setting up a saved search over the area, and you should get several PlanetScope images.