7 Jan: Dong, Oncley

6--14cm of hard-skinned snow; clear but hazy

1545: clean up radiometers

1550: mast down

1553,1557: clean krypton (twice, since only went from 0.5 to 1.1V the first time.  Was 1.8V the second time and 2.1 by the time we left.

1614: mast up

1630: shoot the boom of sonic (80.9deg)