Search found 29 matches

by ASF - bhauer
Wed Jun 12, 2024 7:31 pm America/New_York
Forum: Home
Question: Where to find incident and azimuth angle?
Replies: 1

Re: Where to find incident and azimuth angle?

The metadata provides the azimuth angle as the attribute "platformHeading." It is with respect to the North direction, where clockwise is positive and anti-clockwise is negative. These conversations posted in the STEP forum may be helpful in determining incidence angle values: https://foru...
by ASF - bhauer
Tue May 28, 2024 3:37 pm America/New_York
Forum: Home
Question: Problems downloading Sentinel-1 SLC imagery today (500 Server Error)
Replies: 1

Re: Problems downloading Sentinel-1 SLC imagery today (500 Server Error)

Hello Ben,
I haven't heard reports of any system issues over the weekend that would account for the internal server error, so hope this was just a system glitch. Please let us know if you're still encountering the error.

Thanks.
by ASF - bhauer
Thu May 23, 2024 3:00 pm America/New_York
Forum: Home
Question: SBAB search type and hyp3 services don't work for me
Replies: 2

Re: SBAB search type and hyp3 services don't work for me

Hello Hafid, Would you describe in more detail what the problem you're having is? If you had been using the SBAS tool in the past, did something change so that it stopped working as you expected? If you are new to the tool, here are a couple of resources that should help you get started: From the Ve...
by ASF - bhauer
Tue May 21, 2024 12:57 pm America/New_York
Forum: Home
Question: Cannot download from ASF
Replies: 7

Re: Cannot download from ASF

Data access from ASF was unavailable over the weekend because of scheduled maintenance. Please let us know if the problem you were having persists.

Thank you.
by ASF - bhauer
Fri Apr 26, 2024 6:21 pm America/New_York
Forum: Home
Question: ASF cant download
Replies: 1

Re: ASF cant download

Please send us more of the error message content or a screenshot. It's hard to tell from what you included what the problem might be.

Thank you.
by ASF - bhauer
Tue Apr 16, 2024 10:47 am America/New_York
Forum: Home
Question: Downloading only high-res Radiometric Terrain Correction files for the whole world
Replies: 1

Re: Downloading only high-res Radiometric Terrain Correction files for the whole world

Using the ASF API (https://docs.asf.alaska.edu/api/basics/) or Python Search Module (https://docs.asf.alaska.edu/asf_search/basics/) are programmatic options that allow for large volume downloads.

The ALOS PALSAR RTC product package files cannot be downloaded individually.
by ASF - bhauer
Fri Apr 12, 2024 2:30 pm America/New_York
Forum: Home
Question: Evaluating height of trees with high precision for different year
Replies: 9

Re: Evaluating height of trees with high precision for different year

The only free high-resolution DEM I am aware of is the 1-meter DEM from the US Geological Survey. But it only covers the continental United States, which does not serve your needs.
by ASF - bhauer
Sat Apr 06, 2024 7:22 pm America/New_York
Forum: Home
Question: Evaluating height of trees with high precision for different year
Replies: 9

Re: Evaluating height of trees with high precision for different year

Dear Amir Farshadfar, Here are some information sources that I hope will answer your questions. 1. Some commercial sources for high-resolution DEMs https://www.pgc.umn.edu/data/earthdem/ https://www.l3harris.com/all-capabilities/elevation-data-digital-elevation-models https://www.prnewswire.com/news...
by ASF - bhauer
Wed Mar 27, 2024 5:54 pm America/New_York
Forum: Home
Question: ASF API download authentication libcURL
Replies: 5

Re: ASF API download authentication libcURL

Loris, Following up with the API team, they suggest the following: Enclose the entire URL in single quotes; e.g., curl 'https://datapool.blahblah.edu/somefile?password=abc%21123' Only URL encode the `!` part of the password. If these don't help, you have the email address for the API team and they c...
by ASF - bhauer
Sat Mar 23, 2024 6:15 pm America/New_York
Forum: Home
Question: Problem with bulk downloading python script on ASF vertex
Replies: 1

Re: Problem with bulk downloading python script on ASF vertex

We're not sure what exactly may be causing the file downloads to be blocked, but here are some possible reasons: The " 'Temporary' Redirect download @ Remote archive: \> http://1.1.1.3:80/ac\_portal/proxy.html?..." message seems like maybe you're behind some proxy that is "helping&quo...