2024-09-03T23:51:15.289314Z http://sot.lmsal.com Mr. Sam Freeland Lockheed Martin Solar and Astrophysics Laboratory (LMSAL) http://www.lmsal.com Lockheed Martin ATC, 3251 Hanover St., Palo Alto, CA 94306 null null HINODE SOTSP Yoshitake Masuda Muhamad --> Cruz (RCO) 81 HOP 81 (S-pole) South Pole PCH PCH 11 20180906_105138 197 218 236 11 26 2046 6 1 1 0 2 51 2009 1013 0.9902248289345064 -17.288 -968.629 321.121 162.304 2018-09-06T10:51:38.000Z 2018-09-06T13:45:12.000Z -17.288 -968.629 CORE (HOP0002) Polar Monitoring Campaign during the Solar Cycle Fast deep mode, 2048 slit position, LIMB ONLY To understand the fast solar wind, the relationship between photospheric magnetic fields and coronal structures in the polar coronal hole is very essential. During the polarity reversal, the opposite polarity magnetic field invade the polar region. At the time, the relationship between coronal activities/structures and photospheric magnetic field is very interesting for understanding the solar wind.