US Airways has switched to MOTOTRBO at Reagan National Airport. Along with the switch, they have also abandoned 461.1375 and 464.5500, and now use 451.6000 and 452.3250. TRBO was heard yesterday on 460.7000, 460.8000, and 460.8750. The airline is probably using TRBO on 460.7750 as well.
The existing 460.xxxx and new frequencies are under license WPDS307.
For scanner listeners, the abandonment of 461.1375/464.5500 is good news. These frequencies were never licensed, and they were very strong, overpowering other nearby UHF frequencies in the area of the airport. And scanner listeners can now listen to these two frequencies and hear low-powered/itinerant operations, which is what these frequencies were meant for.
These TRBO frequencies join two others at DCA - 460.6500 (Air Canada?) and 460.7250 (United).
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