Extract all contents of the zip folder

Place Sica_1804.cf2 and H90mk2_CTA into your CATT SD folder

Open the directivity module within CATT and open directivity - array format (CTA/CBA) - open H90mk2_CTA folder and select A1.CTA

Then click on 'Save directivity' (this will turn the CTA into a CBA for use in TUCT 2 )

The H90mk2.LOC file gives an example of source syntax 