From: On a simple, data-aided analytic description of the morphology of equatorial F-region zonal plasma drifts
Ion
H
He
N
O
N2
O2
H +
R
10.6
26.1
33.6
32.0
O +
1.32
4.62
4.01
6.85
6.66
NO +
0.69
0.74
2.79
2.45
4.36
4.28
O\(_{2}^{+}\)
0.65
0.70
2.64
2.32
4.15
4.08