Designing antenna arrays with adjustable beam width, azimuth, and elevation angles.
by Jim Lux, w6rmk
by Jim Lux, w6rmk
More information from Apple: https://support.apple.com/en-us/HT202663
A simple antenna tuner made from switches. How to determine the “best” transmission line lengths for multi-band center fed wire dipoles.
by Cecil Moore, W5DXP
“The superformula is a generalization of the superellipse and was first proposed by Johan Gielis in 2003″
from Wikipedia
http://mysterydate.github.io/superFormulaGenerator/
Some superformula samples
by tomthefnkid
By Cade Metz at wired.com
http://www.wired.com/2015/11/google-open-sources-its-artificial-intelligence-engine/?mbid=social_fb
By @F5OEOEvariste (article at: rtl-sdr.com)
http://www.rtl-sdr.com/transmitting-fm-am-ssb-sstv-and-fsq-with-just-a-raspberry-pi/