PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-15:12:40
G01     125.5          11.9                8.9 +/-    3.60      23.8 +/-    3.60  0.070 / 0.100
G07     68.2           66.3                9.9 +/-    0.74      10.7 +/-    0.74  0.080 / 0.090
G08     50.4           39.7                7.6 +/-    1.03      11.1 +/-    1.03  0.070 / 0.100
G09     178.8          36.6               10.3 +/-    1.04      16.0 +/-    1.04  0.070 / 0.090
G11     116.6          36.6                9.4 +/-    0.81      14.5 +/-    0.81  0.040 / 0.030
G13     320.5          13.3                6.1 +/-    3.63      15.9 +/-    3.63  0.030 / 0.040
G17     199.9          14.6               11.5 +/-    2.20      28.9 +/-    2.20  0.130 / 0.340
G18     101.4          17.0                8.1 +/-    1.64      19.1 +/-    1.64  0.160 / 0.560
G28     271.7          49.2                9.7 +/-    2.68      12.4 +/-    2.68  0.090 / 0.080
G30     339.4          64.3                9.5 +/-    0.63      10.4 +/-    0.63  0.110 / 0.080