ICESAT Survey PolyPod Depth 20230406 Survey conducted 3 days prior to fly-over date. Interim weather: 2023-04-07: FZFG DRSN, windy. 2023-04-08: FZFG, DRSN, BLSN, windy. Start Time: 1229 UTC End time: 1406 UTC Polypod Track Depth at start (measured from surface of snow to sled depression): 2.0 cm Polypod Track Depth at end: 1.25 cm Distance between Antenna Base Plane and Bottom of the Runners: 1.797 m