514405 has been active on SaiaNet Site-1. Today, my recordings (same as the other day), were of an analog patch. The 436 had a poor recording quality of it (barely could make out the audio), but it sounded like their usual LFD Dispatch audio. I don't believe the FD is natively using it yet, it's possibly just patched to help with the transition to SaiaNet (for now).
The only "unknown" TGs I have in the "block" of Lackawanna TGs left now are 514402, 514404, 514408. One of them I suspect is some sort of Citywide Interop TG, as I believe that was part of their plan, but I could be wrong. I've been tracking the new/unknown TGs on the
SaiaNet Wiki page, and just updated it by removing the information that was updated in the DB recently