Yep, my fellow former Philadelphian Dave got that. They are the Roxborough TV Towers as called by all the local News Helicopters. I do believe there is some sort of transmitter over there though, probably a satellite sector like Yardley or Pottstown. But besides that nothing much, the Flint Hill transmitters are farther north than me, between Quakertown and Allentown. And those TV towers along with the terrain like Manyunk/ Roxborough are what give me such horrible problems with receiving the Philly transmitters without squelching so high.