SMOS OSDAP2 products

Hi there,
I found the SNAP toolbox can not represent Diff_TB band, does anyone knows how to figure it out ?

Dear Xuming,

the SMOS Data acquisition products are not fully supported by SNAP. They have not been included in the latest updates so that some data is missing - including the DIFF_TB data.

Cheers,
Tom

Dear Tom,
Thanks, and what other tools could you please recommend? I really need to read the Diff_TB information. I have tried SMOS Data Viewer, but only some DAP products can be transfered to .csv format, while some others couldn’t for unknown reason.
Best regards!