I received this link from a lurker at my swler account.
While I have sworn off wire antennas, it is intriguing.
http://tf.nist.gov/timefreq/service/pdf/1936_antenna_wwv.pdf
It appears to be derived from the works of F. R. W. Strafford as
shown at Dallas's
files at the kongsfjord page.
http://www.kongsfjord.no/dl/Antennas...ise%20Reducing
%20Antennas%20II.pdf
It has some resemblance to the RCA spider web antenna shown at:
http://www.nostalgiaair.org/PagesByModel/808/M0015808.pdf
I guess antenna design has been a hot topic since the dawn of radio.
Terry