Position: 89 20.6' N, 168 43' W, temperature - 13 C, air pressure 1036 hPa, wind 3 knots from NE. Ice drift 0.15 knots towards east. Was finally able to recover the hydrophone. Redeployed the 300 meter long thermistor string in the vicinity of the radiation flux instrument. The radiation flux instruments have been without power for several days. Laid out a cable across the lead and started charging. Cleaned all detectors. Also the weather station was completely covered with frost, cleaned all detectors. A small crack is going in between the guide wires, but no significant movement seen.