Will we see these planes on our ADSB trackers? What freqs might the planes use for voice and downlinks? Baltimore Police back pilot program for surveillance planes, reviving controversial program https://www.baltimoresun.com/news/crime/bs-md-ci-cr-baltimore-police-support-surveillance-plane-20191220-zfhd5ndtlbdurlj5xfr6xhoe2i-story.html