how can I save a file in COMTRADE format if a I don't have DIAdem software?

[wellington]

I need to save my data file in COMTRADE format, by IEEE Standard Common Format for Transiente Data Exchange (CONTRADE) for Power Systems, I know Diadem Development System do it, but I don't  have this software. 
 
Some body know another way to do it? :
 
Please help me.

Message Edited by wellington on 11-13-2006 12:09 PM