The Rosston 145.49MHz repeater is a wide-area VHF repeater that covers most of the metroplex and some parts of southern Oklahoma. The National Weather Service office in Fort Worth uses this repeater for spotter reports during severe weather events.
The 3 remaining ports on the 4-port splitter source 2m RF to the D-Star C module, a voter for the 146.92 Repeater and an RTL-SDR dongle.