I saw your add on tower talk, I am out of SA, but do work in Houston as well perhaps there is something that I can help you with. I am small company with 5 climbers, all certified, we specialized in radio,pcs,digital,microwave,maintainence,troubleshooting,grounding, and tower lamping. Jeremy Culpepper JDC Telecom jeremy at jdctelecom.com 210-389-3047