FCC Adopts Spread Spectrum Rules Changes
In a Report and Order adopted February 22 and released March 4, 2011, the Federal Communications Commission has eliminated the requirement that amateur stations transmitting Spread Spectrum use Automatic Power Control (APC) to reduce transmitter power. At the same time, the Commission has reduced the maximum power of a Spread Spectrum emission from 100 to 10 W PEP.........
For more information: http://www.arrl.org/news/fcc-adopts-spread-spectrum-rules-changes
This will have some effect on HSMM some good and some not so good. It is a good thing to do away with the automatic power control rule, but the 10 W PEP will hopefully be looked at more in the future. The power limitation is not a huge problem now but will limit some of the experimentation in the near future.