Received via W3HFU SDR at 1840 local time 6:40pm local time, 2240z 22:40 UTC. Frequency: 26505 kHz 26,505 LSB 26.505MHz. Very lively conversation with numerous stations on frequency. Spanish language.
As expected, 26.555 MHz LSB is also very busy with Mexican and other Latin American freeband CB comms. 26.505 MHz is an interesting frequency choice though. I've previously monitored Caribbean Sea area comms on 26.500 MHz - both USB and LSB noted 26500 kHz USB and 26500 LSB. It is possible these guys QSY'ed from 26.500 MHz or maybe 26.555 MHz.