Making interferogram for TANDEM-X bistatic mode

By coregistration I meant that both images should be already aligned when opening a TDX pair.
Right click on the original data opened by the XML > create RGB
select both intensity layers for red and green. The result shows you both overlayed as colors. Described here:

How large is the perpendicular baseline for both dates?
The pursuit mode is experimental and might not be comparable with the bistatic mode products.

I guess you distinctively applied for these data? Or was it an order from the archive?