28 Sep 2011 (afternoon): Accumulation survey conducted around TAWO by Sonja on Skis. Download showed that the first 1/3 or so of survey was missing. 30 Sep 2011 (morning): First part of accumulation survey at TAWO repeated by Sonja on skis. Some of route still seems to be missing, but fairly complete picture now. Antenna ht = 1.71m