PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-15:42:50
G01     83.9           32.3                7.0 +/-    6.18      11.7 +/-    6.18  0.040 / 0.080
G07     129.6          36.8                7.8 +/-    6.35      12.0 +/-    6.35  0.030 / 0.080
G11     62.9           38.0                3.3 +/-    8.29       5.0 +/-    8.29  0.050 / 0.070
G13     288.3          38.2                4.9 +/-    9.64       7.4 +/-    9.64  0.040 / 0.060
G15     311.6          12.1                6.2 +/-    5.68      16.4 +/-    5.68  0.050 / 0.110
G17     217.3          56.1                7.9 +/-    5.43       9.4 +/-    5.43  0.050 / 0.110
G18     58.0           22.2                3.9 +/-   12.27       8.2 +/-   12.27  0.060 / 0.130
G19     215.9          32.3                8.9 +/-    5.53      14.9 +/-    5.53  0.060 / 0.110
G28     345.7          61.6                4.7 +/-    5.59       5.3 +/-    5.59  0.030 / 0.040
G30     119.6          69.9                6.1 +/-    5.02       6.5 +/-    5.02  0.030 / 0.050