PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-04:57:50
G01     268.4          40.8                4.4 +/-    0.84       6.3 +/-    0.84  0.040 / 0.060
G03     315.9          29.5                4.2 +/-    1.64       7.4 +/-    1.64  0.050 / 0.060
G10     130.7          15.3                4.8 +/-    1.00      11.9 +/-    1.00  0.050 / 0.100
G11     247.9          19.2                6.1 +/-    1.13      13.8 +/-    1.13  0.060 / 0.090
G14     44.0           50.0                2.8 +/-    0.53       3.5 +/-    0.53  0.050 / 0.090
G18     232.1          37.8                6.4 +/-    1.57       9.7 +/-    1.57  0.050 / 0.070
G22     313.6          52.7                4.3 +/-    1.04       5.3 +/-    1.04  0.150 / 0.240
G25     50.2           15.7                1.7 +/-    1.92       4.2 +/-    1.92  0.130 / 0.240
G31     50.7           69.8                4.4 +/-    0.80       4.6 +/-    0.80  0.130 / 0.400
G32     66.7           29.8                3.0 +/-    1.27       5.2 +/-    1.27  0.100 / 0.320