Looks like DFW Airport info may need some updating. Is the ARINC Motorola system still around? It looks like American Airlines is on its own 450 MHz LTR Passport system now. Getting airline operations and the Passport <2 second idle data bursts.
451.5625
451.6125
451.6375
451.6875
More freqs on the license (WPPY432).
451.5625
451.6125
451.6375
451.6875
More freqs on the license (WPPY432).