Collection time: 2015-2021z.

Weather: T:-37.8C, RH: 66%, wind: 14kts at 87. Sky conditions: SCT020. 

Where collected: 3 m NW of the MSF.

Description: Hollow columns and radiating plates.

Other comments: Slides 0003-0030 are from upwind side, 0033-0051 are from downwind side of t-block.

SWD