On Jan 9, 2008, at 8:04 AM, Jones Beene wrote:
Subwatt levels of RF are difficult to measure accurately as is net light output; but the good news is that the SEC circuit is highly efficient in terms of lm/watt, and does show approximately double the light output per DC input
What is the SEC circuit? Horace Heffner http://www.mtaonline.net/~hheffner/

