The answer is in Wikipedia for Spread Spectrum. 73 - Skip KH6TY
Marco IK1ODO wrote:
> >jose alberto nieto ros wrote: >>Â >>We can see it as we want, but if OLIVIA is legal, ROS is legal. The only difference I see, Olivia does not say to be "spread spectrum", ROS does so :-) - but it's exactly the same approach, as many other digital modes. So, what is the exact "spread spectrum" definition given by FCC? There should be one, somewhere. 73 - Marco IK1ODO