Just when the wireless industry breathed a collective sigh of relief as AT&T, T-Mobile, and Sprint finally kicked off their LTE projects, a new problem arose. There are too few tower crews and too many carriers needing their services. What had been a fair $15,000 installation project is now costing $22K up to $30K in some markets. Even companies willing to pay the higher rates cannot find crews available. What are the factors driving this low…