PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-02:27:50
G07     348.3          62.9                6.0 +/-    0.45       6.6 +/-    0.45  0.100 / 0.080
G08     82.7           51.2                6.1 +/-    0.89       7.6 +/-    0.89  0.080 / 0.080
G09     180.1          64.0                7.0 +/-    0.46       7.7 +/-    0.46  0.050 / 0.070
G11     139.6          18.5                9.6 +/-    0.88      22.0 +/-    0.88  0.070 / 0.100
G23     158.5          36.7                8.6 +/-    0.61      13.3 +/-    0.61  0.030 / 0.030
G27     50.9           29.7                5.0 +/-    1.12       8.8 +/-    1.12  0.040 / 0.030
G28     242.2          32.9                3.9 +/-    0.97       6.5 +/-    0.97  0.120 / 0.130
G30     306.5          38.5                4.4 +/-    1.59       6.6 +/-    1.59  0.070 / 0.140