  Radiowave detection of the Cherenkov radiation produced by neutrino-ice
collisions requires an understanding of the radiofrequency (RF) response of
cold polar ice. We herein report on a series of radioglaciological measurements
performed approximately 10 km north of Taylor Dome Station, Antarctica from
Dec. 6, 2006 - Dec. 16, 2006. Using RF signals broadcast from: a) an englacial
discone, submerged to a depth of 100 meters and broadcasting to a surface dual
polarization horn receiver, and b) a dual-polarization horn antenna on the
surface transmitting signals which reflect off the underlying bed and back up
to the surface receiver, we have made time-domain estimates of both the real
(index-of-refraction) and imaginary (attenuation length) components of the
complex ice dielectric constant. We have also measured the uniformity of ice
response along two orthogonal axes in the horizontal plane. We observe a
wavespeed asymmetry of order 0.1%, projected onto the vertical propagation
axis, consistent with some previous measurements, but somewhat lower than
others.
