The analyses of 4 observatories in the Pacific region reveal that the Z variations of the solar cycle of APIA, GUAM and PAMATAI are different from that of HONOLULU. They are out of phase with the HONOLULU observatory.

• 从太平洋4台的分析显示,APIA,GUAM和PAMATAI台Z分量的太阳黑子周变化与HONOLULU台的相位相反。