The DX window is reserved for DX stations and not domestic stations (US and Canada). Alaska, KL7 and Hawaii, KH6 are considered DX stations.
Beacons, Digital Modes and CW. Voice communications may not be used below 50.100 MHz as that is reserved for CW and beacons. Domestic CW stations can be found between 50.080 and 50.100 MHz while the beacons are below 50.080 MHz. CW may used throughout the entire band.
SMIRK number - 6952
50.000 - 50.100