PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/14-00:13:10
G01     63.4           31.6                8.8 +/-    1.73      14.9 +/-    1.73  0.040 / 0.050
G06     181.6          11.6               -3.5 +/-   39.37      -9.5 +/-   39.37  0.040 / 0.040
G07     140.9          25.5               10.8 +/-    2.09      20.9 +/-    2.09  0.040 / 0.060
G11     51.2           28.4                8.2 +/-    2.36      14.9 +/-    2.36  0.170 / 0.140
G13     267.0          36.0               10.6 +/-    1.57      16.6 +/-    1.57  0.120 / 0.340
G15     296.1          16.5                8.8 +/-    1.65      21.2 +/-    1.65  0.180 / 0.380
G17     245.5          71.5               10.2 +/-    1.03      10.7 +/-    1.03  0.030 / 0.030
G19     229.8          47.9                9.8 +/-    2.39      12.7 +/-    2.39  0.060 / 0.050
G28     31.7           57.3                9.7 +/-    0.46      11.3 +/-    0.46  0.060 / 0.090
G30     140.8          52.0               10.9 +/-    0.78      13.4 +/-    0.78  0.060 / 0.090