tngv752:
Can you be more specific as to what you need? Are you in the US? If so, most building codes reference (or defer to) the ANSI/TIA/EIA-222-F for Steel Antenna Supporting Structures.
Is your need for broadcast, 2-way, cellular(wireless), WiFi, or other?
Will it involve a stand alone...
Try www.engilab.com. They have a 3-D package in final development. Their 2D beam and truss programs are easy to use. Down load their evaluation programs (limited nodes).
