PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/03-13:27:50
G01     289.9          40.3                6.0 +/-    0.95       8.6 +/-    0.95  0.050 / 0.070
G03     312.9          21.0                5.8 +/-    3.03      12.4 +/-    3.03  0.050 / 0.060
G10     120.4          28.3                6.8 +/-    0.89      12.3 +/-    0.89  0.060 / 0.110
G11     266.7          25.4                9.1 +/-    1.68      17.5 +/-    1.68  0.060 / 0.120
G14     20.3           60.2                6.8 +/-    0.70       7.7 +/-    0.70  0.080 / 0.180
G18     253.2          47.1                9.5 +/-    0.91      12.5 +/-    0.91  0.130 / 0.210
G22     314.7          43.1                6.2 +/-    1.73       8.6 +/-    1.73  0.110 / 0.140
G25     66.8           19.2                6.1 +/-    0.65      13.8 +/-    0.65  0.080 / 0.130
G31     113.3          79.1                8.2 +/-    0.38       8.3 +/-    0.38  0.050 / 0.090
G32     52.9           40.3                6.4 +/-    1.18       9.2 +/-    1.18  0.050 / 0.090