PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/13-09:42:30
G02     205.5          38.5                6.9 +/-    0.80      10.3 +/-    0.80  0.050 / 0.070
G06     150.1          74.1                5.9 +/-    0.69       6.1 +/-    0.69  0.060 / 0.050
G12     310.3          19.9                2.8 +/-    1.69       6.1 +/-    1.69  0.090 / 0.190
G17     42.7           43.3                3.8 +/-    2.15       5.3 +/-    2.15  0.110 / 0.180
G19     4.8            63.7                3.9 +/-    0.40       4.3 +/-    0.40  0.030 / 0.020
G24     287.4          42.8                2.8 +/-    6.00       3.9 +/-    6.00  0.030 / 0.020
G28     106.5          29.2                6.6 +/-    1.37      11.8 +/-    1.37  0.040 / 0.030