PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-14:57:30
G01     41.7           17.2                7.3 +/-    2.80      17.2 +/-    2.80  0.110 / 0.090
G06     173.2          39.8                9.9 +/-    1.02      14.4 +/-    1.02  0.170 / 0.110
G13     238.3          22.7               10.5 +/-    2.50      21.7 +/-    2.50  0.240 / 0.260
G15     275.2          12.1                9.5 +/-    0.98      25.3 +/-    0.98  0.200 / 0.320
G17     2.4            70.6                8.3 +/-    0.63       8.8 +/-    0.63  0.090 / 0.400
G19     268.1          65.6               10.2 +/-    0.55      11.1 +/-    0.55  0.210 / 0.160
G24     316.4          19.8                4.9 +/-    2.45      10.9 +/-    2.45  0.090 / 0.180
G28     69.9           47.5                8.7 +/-    1.33      11.4 +/-    1.33  0.060 / 0.140
G30     154.8          30.0                9.3 +/-    1.07      16.2 +/-    1.07  0.080 / 0.080