Here is an antenna from 2003, the Gottingen Heart Antenna, whose only
similar incarnations appear to be a folded capacitive loaded equivalent)
the gull wing ridged waveguide horn -- and IIRC Kraus' exponentially
curved solid dipole drawing in /Antennas/.
http://www.wa4dsy.net/Files/HeartAntenna.pdf
Cortland Richmond
KA5S
On 12/15/2012 1246, Ken Wyatt wrote:
Hi All,
I just posted a couple articles that may be of interest.
1. Review: Com-Power PAP-501 broadband preamp
<http://www.tmworld.com/electronics-blogs/the-emc-blog/4403427/Review--Com-Power-PAP-501-broadband-preamp> (a
$475, 10 to 1000 MHz, 20 dB gain preamp)
2. PC board log periodic antennas
<http://www.tmworld.com/electronics-blogs/the-emc-blog/4403451/PC-board-log-periodic-antennas> (low-cost
PC board LP antenna designs that cover the range 400 MHz to 6.5 GHz)
-
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