Project Documentation GFZ Department 1

09/20/2022

10:26 AM GAMMA Questions SAR Data Preprocessing: RE: Radarsat-1 data from ASF to mli-file

Thanks to support by GAMMA, I solved the issue.
Just using the latest version of par_ASF_PRI and GRD_to_SR, skippin... Thorsten Seehaus

09/16/2022

11:29 AM GAMMA Questions SAR Data Preprocessing: Radarsat-1 data from ASF to mli-file

Hi,
does anyone know how to convert the Radarsat-Level-1 Data from ASF to GAMMA mli and mli.par file.
Somehow my ol... Thorsten Seehaus

08/20/2020

03:27 PM GAMMA Questions Offset Tracking: RE: directional_angle

Hi,
take the coordinates returned from
SLC_corners and parse it to a text file.
and compute the heading base... Thorsten Seehaus

10:48 AM GAMMA Questions Offset Tracking: RE: directional_angle

At least for Sentinel-1 data, the azimuth direction of the tracking results do not fit to the heading angle in the sl... Thorsten Seehaus

08/19/2020

10:54 PM GAMMA Questions Offset Tracking: RE: directional_angle

Hi,
be careful, when using the heading angle from the SLC-par file for converting range/azimuth displacement fields ... Thorsten Seehaus

05/21/2019

01:31 PM GAMMA Questions Offset Tracking: RE: fringes in displacement calculation (ALOS-PALSAR)

Where is your studysite and whats the projection of the DEM? It looks like artifacts caused be geocoding. The standar... Thorsten Seehaus

05/29/2017

06:31 PM GAMMA Questions Postprocessing: RE: ERROR: DEM file has size, expected number of values:

Hi,
Charles told me that the file size of the DEM does not match the number of lines in the dem.par file. By changin... Thorsten Seehaus

05/18/2017

01:36 PM GAMMA Questions Postprocessing: RE: ERROR: DEM file has size, expected number of values:

Hi, I got the same problem!
here some example data:
https://www.dropbox.com/sh/3rylxjv6ept8qr5/AABLPJacQCuSSEMKxfqN... Thorsten Seehaus

04/04/2017

11:32 AM GAMMA Questions TerraSAR-X / TanDEM-X: RE: Baseline estimation

Hi,
I just want to get the baseline information (length). If I got it right, there is now option to get this value u... Thorsten Seehaus

04/03/2017

12:48 PM GAMMA Questions TerraSAR-X / TanDEM-X: RE: Baseline estimation

Actually, I am just wondering why there is such a big difference between the GAMMA output and the information provide... Thorsten Seehaus