PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/09-15:43:10
G01     78.3           33.3               10.5 +/-    1.15      17.1 +/-    1.15  0.060 / 0.110
G07     133.5          36.8               12.7 +/-    0.56      19.4 +/-    0.56  0.040 / 0.110
G11     58.3           34.5                9.6 +/-    1.83      15.3 +/-    1.83  0.030 / 0.020
G13     282.3          37.9               11.2 +/-    1.17      16.9 +/-    1.17  0.030 / 0.030
G15     309.7          12.4                8.2 +/-    1.56      21.8 +/-    1.56  0.030 / 0.060
G17     224.0          62.8               12.9 +/-    1.39      14.3 +/-    1.39  0.040 / 0.060
G18     54.1           20.8                9.3 +/-    4.36      20.0 +/-    4.36  0.070 / 0.080
G19     220.0          33.6               12.8 +/-    1.83      20.8 +/-    1.83  0.060 / 0.090
G28     8.1            60.6               11.0 +/-    1.77      12.4 +/-    1.77  0.300 / 0.320
G30     127.3          68.5               12.0 +/-    0.57      12.8 +/-    0.57  0.210 / 0.250