NSIDC wants us to believe that Arctic satellite measurements began in 1979.
'But satellite records go back much further, and showed ice gain in the 12 years prior to 1979. Former CRU Director HH Lamb: 'Kukla & Kukla (1974) report that the area of snow and ice, integrated over the year across the N. Hemisphere, was 12% more in 1973 than in 1967, when the first satellite surveys were made'