On 4/15/13 9:27 PM, Tom Van Baak wrote:
NIST SIM GPS common view pinwheel
described in one of the NIST reports as an aperture coupled slot fed
array that is better than a patch, but not as large and heavy as a choke
ring.
W. Kunysz, 2000, “High Performance GPS Pinwheel Antenna,” in
Proceedings of the 2000 International Technical Meeting of the Satellite
Division of the Institute of Navigation (ION GPS 2000), 19-22 September
2000, Salt Lake City, Utah, USA (ION, Alexandria, Virginia), pp. 2506-251
http://www.novatel.com/assets/Documents/Papers/GPS-704xWhitePaper.pdf
Patented by Novatel & Pinwheel is a trademark
Performance is almost as good as a choke ring but a heck of a lot
smaller and lighter.
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