2009-02-24T11:24:26.000Z http://sot.lmsal.com Ted Tarbell LMSAL http://lmsal.com 3251 Hanover Rd, O/ADBS, B/252, Palo Alto, CA, 94304 +1-650-424-2400 tarbell@lmsal.com Hinode SOT Yasuda Suematsu Young 0 0 null HOP 101 - Polar Helioseismology helioseismology observations of the sun's polar regions PHO South Pole 4 -8 -912 0 0 2009-02-24T18:15:30.000Z 2009-02-25T19:16:35.000Z -8 -912 helioseismology observations of the sun's polar regions Ca 2x2, 5576 DG 4x4 for helioseismology (Q50, Q65) Use SOT investigate the dynamics of the near-polar regions and measure the speed of high-latitude meridional flows and their variations during various periods of the solar cycle.