PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-04:57:40
G01     276.2          41.5                7.6 +/-    1.00      10.8 +/-    1.00  0.050 / 0.060
G03     314.9          24.7                6.2 +/-    1.68      12.2 +/-    1.68  0.040 / 0.070
G10     127.4          19.9                5.7 +/-    0.66      12.6 +/-    0.66  0.140 / 0.360
G11     253.1          21.8                8.5 +/-    3.23      17.8 +/-    3.23  0.130 / 0.320
G14     37.0           53.4                5.3 +/-    0.55       6.4 +/-    0.55  0.040 / 0.070
G18     238.1          41.7                9.4 +/-    1.47      13.2 +/-    1.47  0.040 / 0.070
G22     314.5          47.7                5.7 +/-    0.98       7.4 +/-    0.98  0.070 / 0.150
G25     55.4           17.3                2.3 +/-    0.99       5.3 +/-    0.99  0.080 / 0.150
G31     62.4           74.8                6.7 +/-    0.95       6.9 +/-    0.95  0.060 / 0.080
G32     61.9           33.3                4.1 +/-    0.92       6.8 +/-    0.92  0.060 / 0.090