via Westminster, MD SDR.
6920 kHz USB - 6.920 MHz USB - two OMs talking with Mexican-sounding accents.
6925 kHz LSB - 6.925 MHz LSB - the usual pescadore crowd speaking Portuguese (likely Brazilian fishing fleets) - the 6925 LSB crowd are heard nearly every day while 6920 USB is often clear
6920 USB - "550" "vato" and several other slang terms heard, further supporting the theory that 6920 USB is Mexican in origin. Still going strong at 2154 UTC. Mention of "del norte" at 2154 UTC.