PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-18:27:50
G01     53.1           27.4               10.0 +/-    1.09      18.5 +/-    1.09  0.060 / 0.060
G06     177.6          22.7               14.3 +/-    1.05      29.4 +/-    1.05  0.040 / 0.060
G07     145.2          15.9               12.6 +/-    2.30      30.6 +/-    2.30  0.070 / 0.160
G11     45.7           18.2                9.3 +/-    0.61      21.3 +/-    0.61  0.090 / 0.170
G13     254.2          32.2               12.9 +/-    1.37      21.6 +/-    1.37  0.080 / 0.210
G15     288.2          15.7                8.4 +/-    2.81      20.5 +/-    2.81  0.090 / 0.210
G17     286.2          77.9               14.0 +/-    0.70      14.3 +/-    0.70  0.080 / 0.300
G19     240.6          54.9               12.7 +/-    0.79      15.2 +/-    0.79  0.080 / 0.390
G28     47.3           54.2               12.0 +/-    0.31      14.4 +/-    0.31  0.040 / 0.030
G30     148.1          44.9               13.8 +/-    0.72      18.7 +/-    0.72  0.020 / 0.030