You might want to e-mail the admin for the NC database, requesting a double-check by whoever submitted the original information. It looks like Eric Carlson, a hobbyist from the D.C. area, is handling the admin for NC.
I can confirm that 460.450 MHz was (at one time) using 110.9 Hz., and can't think of anyone using the same freqs with a 127.3 Hz tone in the region.
Jeff Multer