6 Jan Oncley&Dong

About half as much frost as yesterday -- say 5mm thick everywhere.  Visibility about 0.3mi in fog.

0830 brush off solar panels

0831 blow out snow from TRH (noisy fan)

0833 klean krypton (now 2.4V) and brush off sonic

0836-0844 clean radiometers

prop boom angle 174.2

Because of fog, sensors may ice up again...