PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-10:42:50
G02     220.2          62.6                6.6 +/-    0.77       7.3 +/-    0.77  0.050 / 0.070
G06     50.1           71.2                6.7 +/-    0.49       7.0 +/-    0.49  0.060 / 0.090
G12     319.8          40.3                5.1 +/-    0.73       7.4 +/-    0.73  0.040 / 0.080
G17     61.9           27.7                3.9 +/-    0.72       7.1 +/-    0.72  0.050 / 0.070
G19     40.4           49.0                5.9 +/-    0.35       7.5 +/-    0.35  0.030 / 0.030
G24     254.7          40.9                6.7 +/-    0.75       9.6 +/-    0.75  0.030 / 0.030
G28     124.7          12.1                5.4 +/-    1.51      14.5 +/-    1.51  0.030 / 0.040