Of the three available options, increasing the height of existing towers offered the least improvement. Only very small, scattered areas of coverage were added along the fringes of the existing service area. Increasing the maximum range of existing towers was more effective and, most notably, added a decent coverage area to the northeast portion of the county. However, choosing to build three new cell towers offers the most flexibility and therefore allows for the most effective increase in cellular coverage area.

Many of the low-coverage, mountainous regions of Los Angeles County are within either National Forests or National and State Parks. By avoiding building cell towers in these areas, the remaining underserved areas of the county are the far northeast, far northwest, and the area around the city of Santa Clarita. It is proposed that one cell tower be added to each of these regions, which would increase the T-Mobile service area in Los Angeles County by almost 1,000 km2. Tower sites of appropriately high elevation were chosen in each region in an attempt to maximize the effective service area within each 25 km radius. In the future, further improvements could be made by building additional towers in the Santa Clarita area. This is a populous area that remains a challenging location to provide thorough cellular service due to the moderate mountainous terrain throughout the area. Coverage in the northeast corner of the county could also benefit from one additional tower or by building a tower with an extended range.