Are Sentinel-1 (in EOBrowser) free of charge?. I cant download them

Can you provide lat/lon of the reservoir in Argentina so that we can try?

WMS service is generally payable but you can use a 30 days free trial.

The area you are trying to export, is indeed quite big, on the border of what is possible.
Still, you can do it in the following way:

• go to the area of interest

• search for S1 image, so that you actually see it (you will have to zoom in a bit)

• then use “Zoom Out” feature of the web browser (e.g. CTRL + -), all fonts will be reduced and image as well

• once you see the full area, use geometry selection tool (right under search tool) and select just the area you are interested in:
  

  

• then click Export, select Analytical, choose 16 bit GeoTiff

This worked for me

Hello!
Thanks for your response.
I need images from two reservoir near eahc other.
one on them at: lat: 38°33’5.04"S and long: 68°42’51.44"O
the other at: lat: 39°28’56.52"S and long: 69° 0’27.87"O

in EOBBrowser i used a kml including both reservoirs. I attach a print screen of it with the aprox. dimensions

Thanks!

Dear:
With your instructions it works!
Maybe it’s the trick of playing with the zoom in and out … !! in other attempts, I can not visualize the image.
I had never had problems with the S2 but with the S1 I could not see them. Yes now. You have been a great help!!
Thank you very much