how to design helical using cst

hello everyone....

anyone know how to design basic helical antenna using cst?
hope you all can help me as soon as possible

regards,
kyg

Kraus, "Antennas", is a good place to start for design guidance on spiral antenas (regardless of the simulator you plan to use.)

what do u mean by kraus antenna

Author, "Book Title"

Look for this book as a useful reference.