I can confirm that 15MHz PCS is live across all of northern Brooklyn at the very least. I went to Red Hook, Williamsburg, Park Slope, Sunset Park, and everywhere in between today and encountered 15MHz PCS everywhere.
So they have pdfs of their coverage, but the map still isn't updated. They added a few more cities. They are now at 179 million people. Expanded DSS.
I'm surprised TMobile is so inconsistent with bands deployed per site. Some sites have full on builds some are two or three bands and others host single bands. While Sprint might have been weak off the beaten path, they consistently deployed full builds on almost all macro sites in NYC.