I attached of histogram in Takengon city (Near Lut Tawar Lake).
I apply DEFO (Deformation in Snaphu method)
I have 5 data:
I sellect 21 Sept 2015 as a master image, and 2 Dec 2015 as a slave image.
I have not repeat interferogram to other slave image yet.
I studied that large land movement for 2 m above can destroy fringes. but I am still lack study about atmospheric artefacts can be destroy fringes too.