In article , David
Thompson wrote:

ROS is spread spectrum not just another digital mode. It is illegal in the
USA below 222 Mhz.

Dave K4JRB



With 144 MHz and above being reassigned to public service and
commercial use in the next few years the ARRL should work to get that
rule change so SS can be used on at least 6 meters.

http://www.techpolicyinstitute.org/f...rum_for_broadb
and1.pdf