From: A generating process of geomagnetic drifting field
\(m = 2\)
\(m = 3\)
\(m = 4\)
\(m = 5\)
\(\omega_{m}\) (s−1)
\(- \;8.8 \times 10^{ - 14}\)
\(- \;7.3 \times 10^{ - 13}\)
\(- \;1.9 \times 10^{ - 12}\)
\(- \;3.6 \times 10^{ - 12}\)