A
ONCE-IN-A-LIFETIME BUSINESS OPPORTUNITY
With
advancing age (70) along with accompanying physical
limitations, I find it impractical to continue.
Therefore, I have decided to offer for sale
my Patent No.
5,841,406, entitled "CRITICALLY COUPLED
BI-PERIODIC DRIVER ANTENNA", the
"RAIBEAM" trademark, along with a
complete package of engineering and production data
plus assembly manuals, a detailed cost/materials
spreadsheet, an inventory database, and this website
with its hundreds of world-wide links and which
maintains over 30,000 visits per month, in the hope that this superior yagi-style design
will continue to flourish.
The
asking price for everything is $175,000 and partial
financing would be available to a responsible party.
My availability for consultation is also a
possibility.
Serious
enquiries only. Contact: wa7rai at cox dot net.
To
demonstrate the superiority of dual
critically-coupled driven elements, I invite you to
model a 7
element classical yagi design, and achieve equal or better results than what is
illustrated in the plot below*
7
element 6m RaibeamTM:
free-space gain and pattern
EZNEC
3D average gain: 0.999 = 0.00 dB (includes conductor
loss)

*The
EZNEC+ file for the above plot can be made available
for inspection.
©2008
RAI Enterprises & WA7RAI - All rights reserved.
● Page last modified 4/5/2008
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