It's on 28th of October 2012 between 0600 and 2300 UTC on channel 25 USB (27.245 MHz) and the mode is ROS.
http://rosmodem.wordpress.com/2012/09/2 ... ode-on-cb/
1. World Day of ROS Mode on CB
1. World Day of ROS Mode on CB
#cb-harraste @ ircnet