5/4-15

Position: 85° 17.7' N, 36° 57' W, temperature - 32° C, wind 5 knots from the NW.All instruments turned off to save power. Checked battery status. The battery for the engine is 17 volt instead of 28 volt. Service battery for all instruments is 23volt instead of 28. Have four separate 12 volt batteries measuring 11.5 - 12.3 volt. Completed drilling of out the periphery of the hole to recover the current meter and removed the upper 0.8 meter of the ice thickness. IL76 flight and air drop delayed.