PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-01:28:10
G01     62.7           31.4                5.3 +/-    0.68       9.0 +/-    0.68  0.250 / 0.390
G06     181.9          11.6               -2.7 +/-   33.81      -7.3 +/-   33.81  0.250 / 0.370
G07     141.2          24.8                8.7 +/-    0.94      17.0 +/-    0.94  0.030 / 0.050
G11     50.9           28.0                3.3 +/-    0.67       5.9 +/-    0.67  0.040 / 0.060
G13     266.4          35.8                6.5 +/-    1.04      10.2 +/-    1.04  0.030 / 0.030
G15     295.4          16.7                4.1 +/-    1.87       9.7 +/-    1.87  0.030 / 0.030
G17     248.4          73.0                7.1 +/-    0.60       7.4 +/-    0.60  0.060 / 0.090
G19     230.5          48.9                7.4 +/-    1.56       9.4 +/-    1.56  0.050 / 0.090
G28     32.9           57.1                5.5 +/-    0.64       6.4 +/-    0.64  0.060 / 0.130
G30     141.2          50.5                8.5 +/-    0.53      10.7 +/-    0.53  0.050 / 0.130